MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many pointing to PDF files hosted on file-sharing services, suggesting a link farm or SEO poisoning tactic. The ML classifier and ClamAV detection strongly indicate maliciousness, likely phishing or a trojan. While no scripts were explicitly extracted, the PDF structure and numerous external URLs suggest an attempt to redirect users to malicious content, potentially exploiting PDF vulnerabilities or serving as a lure for further compromise.
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://krisoc.ru/pbw?utm_term=plan+d%2527une+maison+simple+de+3+chambres
- https://nebunabimumebu.weebly.com/uploads/1/3/4/4/134480995/zumazeneri-foduwefasexaten-rojokokolob.pdf
- https://cdn-cms.f-static.net/uploads/4497697/normal_60504c162de9d.pdf
- https://static.s123-cdn-static.com/uploads/4450504/normal_5fed68110035b.pdf
- https://cdn-cms.f-static.net/uploads/4456143/normal_6039f53ce4cc6.pdf
- https://kevofogag.weebly.com/uploads/1/3/5/9/135962027/vevuna-koxamoturuda-kewarujiv-pewobegezuzeg.pdf
- https://cdn-cms.f-static.net/uploads/4393179/normal_60611c7310538.pdf
- https://dewotime.weebly.com/uploads/1/3/1/6/131606762/6423165.pdf
- https://golurivuj.weebly.com/uploads/1/3/4/7/134744385/7470911.pdf
- https://xirofagoxo.weebly.com/uploads/1/3/4/5/134576207/4494239.pdf
- https://static.s123-cdn-static.com/uploads/4390374/normal_5ff84457ef53e.pdf
- https://cdn-cms.f-static.net/uploads/4388282/normal_60512a2035849.pdf
- https://vitekola.weebly.com/uploads/1/3/4/4/134461908/natitomulurolotafove.pdf
- https://zukezima.weebly.com/uploads/1/3/4/3/134345014/bigutufuruwus-tukasafopudedun-siluvurejedu.pdf
- https://buwapagav.weebly.com/uploads/1/3/1/3/131383965/gupux.pdf
- https://cdn-cms.f-static.net/uploads/4401540/normal_6044620481a41.pdf
- https://cdn-cms.f-static.net/uploads/4386095/normal_6017c35447ad7.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://sorawako.pbworks.com/w/file/fetch/144469749/86623741746.pdf
- http://garewewaziwu.pbworks.com/w/file/fetch/144541749/lesapijasupa.pdf
- http://sozakuvepar.pbworks.com/f/net_framework_4.6_2_for_windows_8_32_bit_free_download.pdf
- http://mudowomuxexo.pbworks.com/w/file/fetch/144424023/vikings_season_2_episode_1_reddit.pdf
- http://jutifakukap.pbworks.com/f/77840946938.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_off00013988.binfc5be479e1c62e10a6d2bbecb1dd2a2ecbe175d1b2305557f450f5a12257e114 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13988 | 5652 bytes |
font_01_sfnt_off00014c9b.bin11398a5d847afa18dc265eb150f6ae6f098ff4a443ed9dfa99591aed4dd55e40 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C9B | 15240 bytes |
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