MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs pointing to compromised websites, indicating a link farm designed to redirect users to malicious content. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this malicious intent. ClamAV detection further confirms its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://crysiq.ru/uplcv?utm_term=ten+sentences+with+subject+and+predicate PDF link annotation
- http://skogsformedling.se/bilder_umeny/File/71297747996.pdfIn PDF document text
- http://alde-pace.org/ckfinder/userfiles/files/23225899335.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16114396f31c50---8532377790.pdfIn PDF document text
- http://toanlinh.vn/upload/files/30904365737.pdfIn PDF document text
- https://binarbaidtrading.com/public_html/userfiles/file/31956397394.pdfIn PDF document text
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bbcd7beaa6---sukekukom.pdfIn PDF document text
- https://coopinproject.eu/ckfinder/userfiles/files/67896106516.pdfIn PDF document text
- http://lnianemarzenie.pl/userfiles/file/lefatebevinebaxutejoba.pdfIn PDF document text
- https://highrise.pl/file/56358731633.pdfIn PDF document text
- http://nakamurasangyou.jp/app/webroot/uploads/files/kipebopatawusitaju.pdfIn PDF document text
- http://stavebnevyrobky.sk/www/upload/files/repesawoxitolanivadu.pdfIn PDF document text
- https://whitesal.com/data/images/file/3973_20210628194551.pdfIn PDF document text
- https://amenajarisiconstructii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608c0c6eb4375---gutuxatakak.pdfIn PDF document text
- http://uelzecht.lu/userfiles/files/vewugok.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160758954cd8ca---46959576468.pdfIn PDF document text
- https://arichaindia.com/userfiles/file/79305116221.pdfIn PDF document text
- http://www.enredmail.com/templates/files/idCliente_/file/mafugiwazeroteterewubajo.pdfIn PDF document text
- https://foulardfotografando.it/file/rebuwivowire.pdfIn PDF document text
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c437cedeb59---58476149701.pdfIn PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/6b9e040d5e5e0a25ad17cd76652419dd/3593616798.pdfIn PDF document text
- http://www.allatpatikapecs.hu/images/file/65048556514.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_off0000d3f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3F1 | 10864 bytes |
SHA-256: cd573e5b50d05d1c89d26c39b285f5ba0b20282e914459c97c11d18f6e28e1de |
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font_01_sfnt_off0000ecc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECC7 | 17228 bytes |
SHA-256: b4cf4d9c051cb38651a7eed3d6f11e5e7f236a4fc7ad698d5e0e40653bd5b2fb |
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font_02_sfnt_off00011935.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11935 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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