MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan payload. The file contains numerous URLs, many of which point to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and compromised CMS upload links further supports the phishing and potential exploitation vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9309
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://krisoc.ru/uplcv?utm_term=learn+japanese+in+an+hour PDF link annotation
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160943de0bd744---tifabaxemigaser.pdfIn PDF document text
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f307a60da1---pesabevibapazekujipak.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160a557731f8f5---52952841492.pdfIn PDF document text
- https://mls.lighting/wp-content/plugins/super-forms/uploads/php/files/f435592cffa7986ab35a8afda867178b/xidafejibir.pdfIn PDF document text
- https://travolution.travel/wp-content/plugins/super-forms/uploads/php/files/4d3b6e6524ddf5cf8fef4cdc852d5c16/60893325529.pdfIn PDF document text
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/0b84ad22262f832a4b0771ac89b33bc0/muxofumazevukul.pdfIn PDF document text
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/5ls05ou8n0sdvur9a82olpk5q7/sudesenoli.pdfIn PDF document text
- http://aldo-ins.com/userfiles/file/91870327413.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bd0e67b47e0---35699010744.pdfIn PDF document text
- http://consulcongress.it/uploads/assets/file/55230768276.pdfIn PDF document text
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/1uk7bnrs7ml4uf0uaojm7b1lf6/64834973000.pdfIn PDF document text
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/420c2de7ecf77780e0644cdaf0fd4da8/bifetobepiwaninizafisivon.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16071cf3d3afa3---88951150559.pdfIn PDF document text
- http://champaigncursillo.com/userfiles/file/weruxusoxo.pdfIn PDF document text
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/c6a6c13e46c8a875acb9545a9d7a0653/zunirafejularakafivuwija.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3b730b7f8---vitinuvatafidopape.pdfIn PDF document text
- http://alemotta.com/resources/original/file/36973115135.pdfIn PDF document text
- http://dieta-plus.pl/userfiles/file/wikiro.pdfIn PDF document text
- https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/db6e55773ab59b428f5def073d54b24d/7192532419.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a6f1941281d---xilovivesod.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1608184e54af87---56732249589.pdfIn PDF document text
- https://biothiennam.com/media/ftp/file/lizikubavuzibukebu.pdfIn PDF document text
- https://108pizza.pl/uploads/userfiles/files/zuxuvaridusikedovuw.pdfIn PDF document text
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/dmpvfdfrrirm9ma3hl6uklgdsl/fibelapozedun.pdfIn PDF document text
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/66942299287e2ffbef2ad9dfb2e210e9/68836146032.pdfIn PDF document text
- http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7ea65af9a1---torofowo.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c896e87ffa---70057055435.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fff9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFF9 | 10392 bytes |
SHA-256: 16dbf0abd03c0e7a83b65a99b920b33d0d5f61df689b63e7d469cbd0f35af64a |
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font_01_sfnt_off00011756.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11756 | 16660 bytes |
SHA-256: 3e1a5c08b99c48cfa263cac2d0fa4fd7eb77e98f3e485c9afca6077663a68f55 |
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font_02_sfnt_off00012e03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E03 | 17856 bytes |
SHA-256: f732d9827f1c8e9e962d97fc22450442d6597db2fe57aaa35314b9c4a4f91928 |
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font_03_sfnt_off00015bd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15BD1 | 8240 bytes |
SHA-256: 4b51335ab07e2e55dc071cf487b2bfe997d850e445aef178a27e3c0a453363ea |
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font_04_sfnt_off000178ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x178EE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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