MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'traffmen.ru'. ML classification and ClamAV also strongly indicate maliciousness. The embedded URL is the primary indicator of malicious intent, likely serving as a lure for phishing or to download a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://traffmen.ru/123?utm_term=primary+research+article+pubmed
- https://cdn-cms.f-static.net/uploads/4408188/normal_5f92ed8f1d95d.pdf
- https://cdn-cms.f-static.net/uploads/4424026/normal_5fbf3a15efa28.pdf
- https://cdn-cms.f-static.net/uploads/4464067/normal_5fb677c3d542e.pdf
- https://cdn-cms.f-static.net/uploads/4366969/normal_5fabb05f71320.pdf
- https://cdn-cms.f-static.net/uploads/4414860/normal_5fc22935ce5e8.pdf
- https://static.s123-cdn-static.com/uploads/4494433/normal_5fc739e585353.pdf
- https://cdn-cms.f-static.net/uploads/4378620/normal_5f98b225eb8d6.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static1.squarespace.com/static/5fc0ec6c8787e879896c16ae/t/5fc22c1a3485235c860fdc59/1606560794465/18279847856.pdf
- https://static1.squarespace.com/static/5fc144a93398ff7515307f21/t/5fc2dc2b4e98326c026f82fc/1606605872249/maps_maroon_5.mp3.pdf
- https://static1.squarespace.com/static/5fc16b033398ff751531a7f7/t/5fcf7e757cc0b10a0ad362f0/1607433847922/25502637237.pdf
- https://static1.squarespace.com/static/5fc5d7c15e8e827d42afc458/t/5fcf7ddf7cc0b10a0ad35561/1607433699235/red_ball_5_world.pdf
- https://uploads.strikinglycdn.com/files/0a91a4a4-4a5d-4067-a572-c7502865aeee/gibozuxarapiretataxexuka.pdf
- https://static1.squarespace.com/static/5fc0e8305687f52b6b812c21/t/5fc171f13c6ccf69f394a8e8/1606513138155/45353471943.pdf
- https://static1.squarespace.com/static/5fc0f05df9866f3fd2d48fd4/t/5fd177fa871f8c6e59522b7b/1607563260524/kokaxu.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_off0000da7e.bin886f06f5c2b46bd01cd4faeebe337f2f9210576c765f11139ece9aca00ebd7d3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA7E | 5556 bytes |
font_01_sfnt_off0000ed30.binc4cc8ceda9b6b58e3ab3eb8c793b2235941e4c476f61911553bba47819d53e26 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED30 | 11692 bytes |
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