MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of multiple distinct hosts and the use of 'utm_term' parameters indicate an attempt at SEO manipulation or phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://archism.ru/uplcv?utm_term=ejercicios+monosemia+polisemia+y+homonimia+2+eso+pdf PDF link annotation
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/e2b64fb3a674c373e104d1d90e27668c/rufumazitarudelu.pdfIn PDF document text
- http://pwr-tech.ru/userfiles/file/xekefefilugubojiwiwu.pdfIn PDF document text
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/smu02b7grpuotjo7b9el0n9su5/82894770432.pdfIn PDF document text
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca558f3969---xibotolomivaxodik.pdfIn PDF document text
- http://evohome.pl/userfiles/file/dalovokifagorukaro.pdfIn PDF document text
- https://burgas-remonti.com/userfiles/file/70951949967.pdfIn PDF document text
- http://bioident.pl/photos_fck/file/70418556750.pdfIn PDF document text
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/51b66018152d5ae4eb4245dabf37c637/zaxipupuwivaretesok.pdfIn PDF document text
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/6385ar7lolcuv3koqopm9gbm8s/89969433216.pdfIn PDF document text
- http://ehomeforeclosure.org/images/file/5134066690.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160840a6c8d794---40057993764.pdfIn PDF document text
- http://worthingtonpark101.com/userimages/88053924579.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/80617e8ae25da17d8d93732524a4b0dc/12628208067.pdfIn PDF document text
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/749595a28de5e7f862ecbd9dc716b1bb/3154537765.pdfIn PDF document text
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/37a2c0487da404bcb2d85768bc645941/78352444380.pdfIn PDF document text
- http://videofilm-tv.ru/content/File/pokigozil.pdfIn PDF document text
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/160dd9d527eace---bedeje.pdfIn PDF document text
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/be0c5c84d06fa85faabf96c9ebca315f/vusapuxinefogureleletege.pdfIn PDF document text
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/26be57cf0163b1693dbd91e8ee0b7d76/rubavaladiwo.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/f701205a746d325f0bced4d9e9702668/22208400998.pdfIn PDF document text
- http://mictrogiang.com/userfiles/files/vewokosarigalovexi.pdfIn PDF document text
- http://kuresi-kaitori.com/upload/content_pic/files/73440373251.pdfIn PDF document text
- https://whitesal.com/data/images/file/3885_20210702130832.pdfIn PDF document text
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/cb4a5bc7356c41543cd794f708ed8df1/76390365833.pdfIn PDF document text
- https://betenenergy.com/sites/default/files/file/sizededataxajijexedosa.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eabe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEABE | 19248 bytes |
SHA-256: a101fc563bc20afbfa54a2eaedeecccfa4997ad4a62101a96602d30cb3df5ea0 |
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font_01_sfnt_off00011aa0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AA0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000132b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132B7 | 11136 bytes |
SHA-256: 316039d21018a8c54b7e9332431a9c3490842d755970c7a2508ed70e25c1d4c3 |
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