MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, with one pointing to 'traffset.ru', suggesting a link farm or phishing lure. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as 'Pdf.Phishing.Trojan'. The presence of embedded URLs and the PDF_SEO_LINK_FARM heuristic further support the conclusion that this document is designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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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://traffset.ru/123?utm_term=ralph+p+grimaldi+discrete+and+combinatorial+mathematics+5th+edition+pdf+download
- https://cdn-cms.f-static.net/uploads/4402953/normal_5faed7440bfa2.pdf
- https://tizosofamininu.weebly.com/uploads/1/3/4/3/134352685/depalanalisovix-nelewu.pdf
- https://lefedatit.weebly.com/uploads/1/3/0/7/130776734/bawarobu.pdf
- https://cdn-cms.f-static.net/uploads/4408990/normal_5f9383ae71586.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://uploads.strikinglycdn.com/files/10812557-faf1-429f-9efc-e9fe6587e7a9/jamute.pdf
- https://s3.amazonaws.com/remoxi/15815540067.pdf
- https://uploads.strikinglycdn.com/files/e5794d25-0ef5-4e06-8c3a-cf86636c91d2/96811229818.pdf
- https://s3.amazonaws.com/rimejiguvif/bajixatagiriwuf.pdf
- https://uploads.strikinglycdn.com/files/c417bdea-0c72-4648-b999-e867d4111734/63931559343.pdf
- https://uploads.strikinglycdn.com/files/79b1f799-4936-4a4f-a6ad-7bd678753af7/sopubupajemu.pdf
- https://s3.amazonaws.com/zesotat/fitovojov.pdf
- https://s3.amazonaws.com/zazelujeju/d_d_5e_guide_to_feats.pdf
- https://s3.amazonaws.com/guxosa/22780240151.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c57f.bin46c43b066f8f02e446230915f921e28745ed28634b9458229550d4af39b5eba2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC57F | 5720 bytes |
font_01_sfnt_off0000d8e1.bin6e2dd4c83583c011ea1cd730ce15365e859031e03d758a91e2089318b25c74e4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8E1 | 11212 bytes |
font_02_sfnt_off0000fe7d.bin4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE7D | 4324 bytes |
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