MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm of external PDFs, with one primary URL pointing to a suspicious domain. The ML classifier and ClamAV both flagged this file as malicious, indicating a phishing or trojan distribution attempt. The document body, though heavily obfuscated, appears to contain search-related terms, reinforcing the lure. No scripts were extracted, but the presence of numerous external links suggests a redirection mechanism to a malicious site.
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://traffset.ru/strik?utm_term=st+peter%2527s+hospital+new+brunswick+nj+zip+code
- https://cdn-cms.f-static.net/uploads/4375884/normal_5fb9f0c88dc26.pdf
- https://nulixedupalaz.weebly.com/uploads/1/3/0/7/130739510/tisug.pdf
- https://cdn-cms.f-static.net/uploads/4471690/normal_5fa533e520723.pdf
- https://cdn-cms.f-static.net/uploads/4386597/normal_5f9fa663475e7.pdf
- https://cdn-cms.f-static.net/uploads/4367279/normal_5f8c5e520abcf.pdf
- https://cdn-cms.f-static.net/uploads/4413457/normal_5f93cb0c2d5ed.pdf
- https://dojeviwenos.weebly.com/uploads/1/3/4/4/134491393/vapudigo.pdf
- https://zobejonimofov.weebly.com/uploads/1/3/4/3/134354570/c766f09.pdf
- https://cdn-cms.f-static.net/uploads/4405950/normal_5f9a1bc1a6323.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/cefc4de2-308d-4c34-abf7-f2d8008c6366/giduna.pdf
- https://s3.amazonaws.com/timeziso/zaxanesojuvodomu.pdf
- https://uploads.strikinglycdn.com/files/7d1fdfb7-29c7-4bf1-825b-84e12583396b/94555318407.pdf
- https://uploads.strikinglycdn.com/files/8a92bc28-f071-4b81-9bdd-f71c9e2ea512/67713680801.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_off00010f75.bin067f226487d72db915855f742d25e07f88e163c377f371c85ce0877df4f6b0bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F75 | 5720 bytes |
font_01_sfnt_off00012308.bina17ff8765bab21fb52ac34c1af3c9a382d6d76efaa9bc48ad090e93d1614aaf6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12308 | 10556 bytes |
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