MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains a large number of external links, many hosted on disposable domains, characteristic of SEO spam or phishing lures. The ML classifier also returned a high probability of maliciousness. While no scripts were explicitly extracted, the PDF structure and link farm behavior strongly suggest an intent to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://zajinet.ru/strik?utm_term=plato+republic+pdf+penguin PDF link annotation
- http://gajoxuganul.iblogger.org/voyager_legend_uc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415065/normal_604481d30ee81.pdfIn PDF document text
- https://cdn.sqhk.co/vakanaju/y94Nhf4/guilty_gear_bridget_combos.pdfIn PDF document text
- https://cdn.sqhk.co/wizokawoxo/biahjbj/mountain_sniper_killer_gun_fps_shooting_game_3d.pdfIn PDF document text
- https://putidano.weebly.com/uploads/1/3/4/3/134388569/553871ca.pdfIn PDF document text
- https://wokoxulepimam.weebly.com/uploads/1/3/1/4/131438011/50e565e1.pdfIn PDF document text
- http://rinetezomado.22web.org/diwovovobozejarowusimos.pdfIn PDF document text
- https://cdn.sqhk.co/mukibusu/hgcRijb/die_in_100_ways_mod_apk.pdfIn PDF document text
- https://cdn.sqhk.co/golomamone/48Dkigr/liforurovuxupawuv.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426550/normal_603ceabc25eba.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://063758de-fb2f-4258-809e-b727485bfd5a.filesusr.com/ugd/89cda4_e846377ecbdc49daaff1edafcaffdc0b.pdf?index=trueIn PDF document text
- https://ba739632-11db-41f7-a023-683a20e55d36.filesusr.com/ugd/99835b_658180f291234312bb8dfdc8e60a361e.pdf?index=trueIn PDF document text
- http://bipofixijanafuf.rf.gd/71993113141.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a71d85d3-cf71-4137-ba91-81604f544171/93579700867.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7c2b1ed4-19db-4c80-906b-5e626d2c9910/28996478424.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b212f507-5932-47b0-8d51-024bb6b008c1/16548612501.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c1c95358-8f4e-439f-81cd-8b4654c84289/tajotusafavosanowibe.pdfIn PDF document text
- https://5b5cf7c4-d983-4e27-bd54-44d52fc9074e.filesusr.com/ugd/2f9450_041a063119e745abbae0dee38ded2ba5.pdf?index=trueIn PDF document text
- https://4461694d-a6f7-4a69-895a-ff5ddeb3c622.filesusr.com/ugd/f504fb_2f3d2601647241cd9fee73b1a1df354c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/73858fc1-9c3a-4670-ab76-b1f5de09086d/new_drug_book_app.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000db62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB62 | 5168 bytes |
SHA-256: 220c382c515567ed2f5e80aa5da98690bef711cb0c74cb7bea12cd1e3c813e39 |
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font_01_sfnt_off0000ecf5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECF5 | 10520 bytes |
SHA-256: 84fb65f0f4555e9804d3f71cd4b743a230085ae349c7a209c99d282d4a533103 |
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font_02_sfnt_off000110e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110E0 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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