MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics suggest it functions as a link farm, with one critical heuristic indicating a browser extension/update installation lure. This points to a social engineering tactic to trick users into downloading and executing further malicious content, likely involving JavaScript execution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://dugedepap.ru/123?utm_term=bb+z10+sideload+android+apps PDF link annotation
- https://cdn.sqhk.co/madufuxenuw/1lHRKjj/fruitful_daily_checklist_habit_tracker_printable.pdfIn PDF document text
- https://cdn.sqhk.co/xumirikebixo/8ibHxkE/gefagogavudowigul.pdfIn PDF document text
- http://about-central.com/75313527200lulb7.pdfIn PDF document text
- https://cdn.sqhk.co/wezokobuli/hcZgjij/world_cup_2010_soccer_game_unblocked.pdfIn PDF document text
- https://wemibevufiwoseb.weebly.com/uploads/1/3/0/8/130813314/fepaba.pdfIn PDF document text
- https://cdn.sqhk.co/mukibusu/gdihFy2/hicare_services_bangalore.pdfIn PDF document text
- http://wiinorama.space/the_breadwinner_book_reviewjl68i.pdfIn PDF document text
- https://rixagaxovexi.weebly.com/uploads/1/3/4/0/134000332/jajunadutewutawumuv.pdfIn PDF document text
- https://cdn.sqhk.co/kivipemo/gciihgY/luzelak.pdfIn PDF document text
- https://cdn.sqhk.co/fanabezom/O2Sjhyb/44919063158.pdfIn PDF document text
- https://cdn.sqhk.co/xojelumegasi/WafieOY/bubble_blowing_championship.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://656adf98-7a81-40bd-8d0f-2b9c27d09201.filesusr.com/ugd/268ab1_80a2a7765e0247b9b8fbda3048d6e576.pdf?index=trueIn PDF document text
- https://a68e2ff5-bf17-48e3-82d4-ceb975b85758.filesusr.com/ugd/760101_7454735382d4491c926fa772a03e20b4.pdf?index=trueIn PDF document text
- https://abbf68a8-5b21-4996-91be-11266bd273ed.filesusr.com/ugd/9374a7_acbdc1958d41466e88850c9abd689d3c.pdf?index=trueIn PDF document text
- https://033f1a72-e514-447f-b44b-9d234b37386c.filesusr.com/ugd/f05202_9dd56369a8d04cb6b0eaded53cc51bce.pdf?index=trueIn PDF document text
- https://edb7bb8d-792a-4213-93ec-7f573d37cc74.filesusr.com/ugd/bfd504_e2aa39d22e0f4e8f846f158db71e552b.pdf?index=trueIn PDF document text
- https://0aed7b51-d02b-4864-a6bb-b478bb809667.filesusr.com/ugd/fbdaab_31367adc4d4e454da70f9cc4d9a47825.pdf?index=trueIn PDF document text
- https://a2214900-82f6-4ed5-a432-d5ffd14110fa.filesusr.com/ugd/306b6b_7da12e8233e24245802954bd2c4d171f.pdf?index=trueIn 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_off0000f11d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF11D | 5388 bytes |
SHA-256: 139758f0dce79eacb5c037b990b6442ee7e3801bec7e51f1ab207fddb684135a |
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font_01_sfnt_off0001037d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1037D | 11432 bytes |
SHA-256: aa4e64eda5c2d5929e179ca96c1e66f8c4fc1aaa6d69d89f802887a00d9f567b |
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