MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, identified by the 'PDF_SEO_LINK_FARM' heuristic, suggesting a link farm or phishing attempt. The document body, though heavily obfuscated, contains text related to a 'Sram rival groupset for gravel bike', which is likely a lure to direct users to malicious or deceptive websites. ClamAV detection and ML classification further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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=sram+rival+groupset+for+gravel+bike
- https://static.s123-cdn-static.com/uploads/4445338/normal_5fe4c4338763e.pdf
- https://cdn.sqhk.co/kuzosexiwugu/Wp9Magi/maparowozaroja.pdf
- https://static.s123-cdn-static.com/uploads/4498376/normal_5fcbf88330998.pdf
- https://sigegasolo.weebly.com/uploads/1/3/4/7/134732441/gapewogikaj_lozupopisozez.pdf
- https://cdn-cms.f-static.net/uploads/4366045/normal_5f87059074348.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://uploads.strikinglycdn.com/files/516d2342-459a-46fe-a77e-faf96a9238c9/42627825286.pdf
- https://uploads.strikinglycdn.com/files/bcf2c925-6e7c-4a66-8feb-e06199a34b1e/nadavezodevalaxus.pdf
- https://uploads.strikinglycdn.com/files/bcc01c1a-d38c-4506-8362-957e81de99fd/midnight_in_paris_parents_guide.pdf
- https://s3.amazonaws.com/widiku/xidimijiselajesok.pdf
- https://uploads.strikinglycdn.com/files/d8d710b0-9ad2-4009-901b-20d834d66b41/nazefakaruwogigowemenen.pdf
- https://uploads.strikinglycdn.com/files/ae2060fd-826f-4498-a67e-43e34c58e2f5/youre_killin_me_smalls_svg.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_off0000fd54.bin7fcaf9c1712046053959b90d5a024b9564b190f5adb00561a4d57d13f21129e8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD54 | 5364 bytes |
font_01_sfnt_off00010f98.binae38a3fe0d0dae1f66ffb3dc54615dbb9d34c27ea321329124c1ef6de257715d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F98 | 10768 bytes |
font_02_sfnt_off0001345c.bin1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1345C | 4324 bytes |
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