MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is classified as malicious, exhibiting characteristics of a phishing or link farm attack. It contains numerous external links, many pointing to other PDF files, suggesting an attempt to direct users to malicious content or SEO spam. The primary URL, 'https://inwebjor.ru/pbw?utm_term=lilly+pathophysiology+of+heart+disease+7th+edition+pdf+free', is presented as a search result for a medical textbook, likely a lure to disguise the malicious intent. No scripts were extracted, but the extensive link farm and ML classification strongly indicate a malicious purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://inwebjor.ru/pbw?utm_term=lilly+pathophysiology+of+heart+disease+7th+edition+pdf+free
- https://cdn-cms.f-static.net/uploads/4490539/normal_60521579b4ddf.pdf
- https://cdn-cms.f-static.net/uploads/4393502/normal_60307dbdcba39.pdf
- https://zaluvunikuf.weebly.com/uploads/1/3/1/0/131070459/ad2eea804.pdf
- https://sopazamiwurigu.weebly.com/uploads/1/3/4/3/134387891/319181.pdf
- https://vamekalufigo.weebly.com/uploads/1/3/1/1/131163651/jebikujape.pdf
- https://cdn-cms.f-static.net/uploads/4459463/normal_60b8261634ead.pdf
- https://cdn-cms.f-static.net/uploads/4365586/normal_606e36a9afc02.pdf
- https://boxulovakifev.weebly.com/uploads/1/3/4/7/134705425/tetosetaminaze_garonoguzasel_pebisezadov_volovog.pdf
- https://xazapadikud.weebly.com/uploads/1/3/1/8/131871762/a2513b0104e88a.pdf
- https://cdn-cms.f-static.net/uploads/4459319/normal_5feaefc79e29a.pdf
- https://cdn-cms.f-static.net/uploads/4447258/normal_6039ed4fcb876.pdf
- https://static.s123-cdn-static.com/uploads/4448719/normal_5ffded1caaa01.pdf
- https://cdn-cms.f-static.net/uploads/4454161/normal_600dfb0e08e22.pdf
- https://cdn-cms.f-static.net/uploads/4461249/normal_60296c3cbcbf8.pdf
- https://cdn-cms.f-static.net/uploads/4489595/normal_600ca5c0c815a.pdf
- https://cdn-cms.f-static.net/uploads/4419628/normal_605bc1d37b50f.pdf
- https://static.s123-cdn-static.com/uploads/4475216/normal_5fcbbd4d29cd7.pdf
- https://kivijakesav.weebly.com/uploads/1/3/2/7/132740669/f711844.pdf
- https://cdn-cms.f-static.net/uploads/4422386/normal_602abfe096bcb.pdf
- https://cdn-cms.f-static.net/uploads/4492880/normal_606e1e21763c3.pdf
- https://kudaxemukuwofi.weebly.com/uploads/1/3/4/6/134691428/jopasinowuzozov.pdf
- https://samarobiratepiw.weebly.com/uploads/1/3/5/3/135327643/jamino_vevugijoj.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- 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_off0000d35d.bin65aeef6df0de73a04176e20e7d793f5c003f821597ba7d9274ca31504d207403 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD35D | 5424 bytes |
font_01_sfnt_off0000e5df.binfa2527169b471a578122b93e62ea8e457b8adfbe4fe792bc4a688a3bc0280e26 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5DF | 10424 bytes |
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