MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various PDF files hosted on external services. The primary URL, https://seumenha.ru/strik, appears to be part of a malicious campaign. While no scripts were explicitly extracted, the nature of the link farm suggests a potential for hosting malicious content or phishing pages.
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-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://seumenha.ru/strik?utm_term=how+rare+is+intrahepatic+cholestasis+of+pregnancy
- https://dawemewi.weebly.com/uploads/1/3/4/7/134747996/6d4759e.pdf
- https://cdn-cms.f-static.net/uploads/4494893/normal_606cc6ec7f5f0.pdf
- https://cdn-cms.f-static.net/uploads/4451736/normal_606e255412a0a.pdf
- https://cdn-cms.f-static.net/uploads/4375894/normal_603486f8d057e.pdf
- https://static.s123-cdn-static.com/uploads/4383806/normal_600959dbbeced.pdf
- https://cdn-cms.f-static.net/uploads/4486363/normal_6029c72bb3975.pdf
- https://litepuvib.weebly.com/uploads/1/3/4/7/134741427/6142510.pdf
- https://kesesitevon.weebly.com/uploads/1/3/5/3/135317357/dagawetezavo.pdf
- https://wofovado.weebly.com/uploads/1/3/1/8/131871653/456a6c.pdf
- https://xajerunufunofe.weebly.com/uploads/1/3/1/3/131378991/6813088.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/sezewu/bifajadewojewunumaz.pdf
- https://s3.amazonaws.com/xesigeze/muzofunipem.pdf
- https://s3.amazonaws.com/zagapaxa/xunabuza.pdf
- https://s3.amazonaws.com/sojaxub/chrome_remote_desktop_latest_version_apk.pdf
- https://s3.amazonaws.com/befafuni/58141464208.pdf
- https://s3.amazonaws.com/popilo/dozixupusiwenibajijab.pdf
- https://medlineplus.gov/genetics/condition/intrahepatic-cholestasis-of-pregnancy
- 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_off0000e486.bin0f0ced27f66ce599ebd069c24eebbdbe2238a49e3d40aeb6227ea1c20b9b84ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE486 | 5432 bytes |
font_01_sfnt_off0000f715.bind5ad01f349a6bcd0d66b61483a5fdbb04873f8a2069a1ed6280183daaab64044 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF715 | 10516 bytes |
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