MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various PDF files. One prominent link is to 'traffine.ru', and another points to a Weebly hosted PDF. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or distributing further malware through the link farm.
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=rift+runic+rebound
- https://dufevirefat.weebly.com/uploads/1/3/1/4/131438490/9109751.pdf
- https://cdn-cms.f-static.net/uploads/4380859/normal_5f8ae92500f44.pdf
- https://cdn-cms.f-static.net/uploads/4383801/normal_5f9a44caedbb7.pdf
- https://cdn-cms.f-static.net/uploads/4415061/normal_5f95887aa490d.pdf
- https://cdn-cms.f-static.net/uploads/4376849/normal_5f936d4f47893.pdf
- https://banafazag.weebly.com/uploads/1/3/4/3/134325205/bejimugulanutebopo.pdf
- https://cdn-cms.f-static.net/uploads/4388407/normal_5f9f907206f92.pdf
- http://www.opentle.org
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/66808cd4-2d57-4ca5-9e54-540dc5c1d0a9/5012697761.pdf
- https://uploads.strikinglycdn.com/files/13ffaef9-1daa-425c-ac41-5ee038d9f2f1/witelirid.pdf
- https://uploads.strikinglycdn.com/files/7f389797-d39d-4d9a-b8aa-7adb7083f8c7/76779400360.pdf
- https://uploads.strikinglycdn.com/files/0bce485b-b5c2-4fb1-b27d-fb484264531e/31107184612.pdf
- https://uploads.strikinglycdn.com/files/94769021-f049-4c7f-bfdf-14053acf3a0b/senejufokibolaruga.pdf
- https://uploads.strikinglycdn.com/files/e10e584e-99f4-4246-a45f-29a3b87f708c/6858412311.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://www.gnu.org/licenses/gpl.html
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off0000dba3.bine1a38e2d552441acfafcfad0cd626bea0e9b13f7101f0444018146d95b01335f |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xDBA3 | 9928 bytes |
font_00_sfnt_off0000cb77.binf171ada51fc0ec053b99a5ca08a2ad037c837e5ca88e151d68ff23b15e328d30 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB77 | 4740 bytes |
font_02_sfnt_off0000f7a5.bin7b3d9186db758a9e0647c550d1aab0192445ff9152fbe832db24198c34f873cb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7A5 | 10888 bytes |
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