MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan threat. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious sites. The primary malicious URL identified is https://midufefew.ru/strik, which is presented as a search result for anatomy notes, likely a lure for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://midufefew.ru/strik?utm_term=ashwani+kumar+anatomy+notes+pdf+download PDF link annotation
- https://static.s123-cdn-static.com/uploads/4453334/normal_5fc7a7a88724c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426551/normal_6023bf5ae3a49.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483081/normal_5fd378077c0c0.pdfIn PDF document text
- https://xatomurukazaj.weebly.com/uploads/1/3/4/3/134378662/93c512365b9.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366397/normal_5fff801f6310e.pdfIn PDF document text
- https://jisiresofuwidi.weebly.com/uploads/1/3/0/7/130739297/2295683.pdfIn PDF document text
- https://sarutofujatazix.weebly.com/uploads/1/3/4/5/134584212/gunapo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446034/normal_5ffe2865561e6.pdfIn PDF document text
- https://zazokovorif.weebly.com/uploads/1/3/4/3/134321981/2105137.pdfIn PDF document text
- https://fulafokowezoje.weebly.com/uploads/1/3/4/3/134384829/2057761.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4502245/normal_603b6e793e5cc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463277/normal_5fd16579a2628.pdfIn PDF document text
- https://gipavibipo.weebly.com/uploads/1/3/4/6/134654588/6585e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464080/normal_60316d302c579.pdfIn PDF document text
- https://werovowota.weebly.com/uploads/1/3/4/7/134766705/kisagenowi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/dd288425-e8ce-41c0-b1a7-989d8736a884/vivaldi_double_violin_concerto_in_a_minor_sheet_music.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/56a7f09a-a744-4beb-9aa4-1af61f229688/28959665966.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/219717c0-fea4-4cbc-a504-fa1fef75bcdf/48909814083.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/49978b1c-457f-431c-bd78-033667ada6fa/surah_mulk_full.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2278efbe-63bc-4336-ae0f-6b7281cb3b83/belkin_ac750_troubleshooting.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f2463d69-7712-4421-a71b-c941de1233c7/the_game_changers_documentary.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a638fe5f-6932-4c46-861d-a0db892b2a95/how_to_explain_background_and_experience_in_interview.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e1c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1C2 | 5528 bytes |
SHA-256: bac636e09427add34958f97151d459c138efb20d773ab6885740b5b81c49a776 |
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font_01_sfnt_off0000f47f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF47F | 11528 bytes |
SHA-256: ddce3da7d90938b4b0be962d27bffabc9f17fa7ea8c5ef342e771bd70d1287fc |
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