MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, with one heuristic specifically identifying it as a 'PDF_SEO_LINK_FARM'. The presence of a malicious ML classification and ClamAV detection further supports its malicious nature. The primary IOC is the link to 'traffine.ru', which is likely part of a phishing or content-luring scheme.
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://traffine.ru/123?utm_term=when+dinosaurs+roamed+america+stegosaurus
- https://cdn-cms.f-static.net/uploads/4366017/normal_5f87031ce7603.pdf
- https://zajefepitav.weebly.com/uploads/1/3/4/2/134266194/jifojajibunujepepis.pdf
- https://cdn-cms.f-static.net/uploads/4366035/normal_5f8bf2088da8d.pdf
- https://cdn-cms.f-static.net/uploads/4368222/normal_5f94e18f7f0a2.pdf
- https://cdn-cms.f-static.net/uploads/4412775/normal_5f95cc0e2e633.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/pafiganovavi/to_whom_it_may_concern_letter_examples.pdf
- https://s3.amazonaws.com/wukevirenesu/28202977907.pdf
- https://s3.amazonaws.com/nokiva/zilakomozapigu.pdf
- https://s3.amazonaws.com/pazovugal/nate_mack_elementary_henderson.pdf
- https://s3.amazonaws.com/fasanag/bugler_s_holiday_leroy_anderson.pdf
- https://s3.amazonaws.com/purufiz/8073349396.pdf
- https://s3.amazonaws.com/mijedusovineti/edward_snowden_book_free.pdf
- https://uploads.strikinglycdn.com/files/1bfd289e-7b45-48d2-a468-e6dd15567b90/imanes_artificiales_como_se_obtienen.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d708.bin6e5bac595218240362e3751dd6575151e1aca14e57433251a09089058944d769 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD708 | 5336 bytes |
font_01_sfnt_off0000e910.binfdb94683dc36dd67926e9cc68b95dc165dece072fced0d6e691517d77fbc9c28 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE910 | 11692 bytes |
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