MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many pointing to disposable hosting and redirector infrastructure, indicating a link farm designed to distribute malicious content or phish users. ClamAV and ML classifiers also flagged this PDF as malicious, specifically as a phishing trojan. The presence of embedded URLs and the nature of the link farm strongly suggest an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://dafemum.ru/strik?utm_term=derechos+humanos+concepto+pdf In PDF document text
- https://cdn.sqhk.co/fuluzagile/eijG3gj/zomowamanit.pdfIn PDF document text
- https://cdn.sqhk.co/pefisemise/lgdVqW4/sisters_thai_fairfax_phone_number.pdfIn PDF document text
- https://cdn.sqhk.co/muwazubivotu/Fhjji26/monster_castle_level_pack_hacked.pdfIn PDF document text
- https://cdn.sqhk.co/pojuwudedi/gf1ific/nick_jonas_wife_movies.pdfIn PDF document text
- https://cdn.sqhk.co/refevebux/ZnyRIhj/boy_over_flower_2.pdfIn PDF document text
- http://moxawunanenubop.sportsontheweb.net/83572389288.pdfIn PDF document text
- https://cdn.sqhk.co/geruvijiwiw/cBhfUji/sebexotetewuwexuz.pdfIn PDF document text
- https://cdn.sqhk.co/jotenitix/ggoghYZ/pemomuwupax.pdfIn PDF document text
- http://rakadan.sportsontheweb.net/brandy_melville_free_shipping_december_2020.pdfIn PDF document text
- https://cdn.sqhk.co/naxaroja/bhbxhcH/xojanoxududilofebe.pdfIn PDF document text
- https://cdn.sqhk.co/xawefigi/kAhheje/72222892146.pdfIn PDF document text
- https://cdn.sqhk.co/gusoguribus/jgAhaEV/air_traffic_controller_jobs_england.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://12c48f50-3553-44c7-a31c-19fc5df83d07.filesusr.com/ugd/7e0eb0_e651e5b6010e4da8a8c982d665a559ac.pdf?index=trueIn PDF document text
- https://f904ef53-caa1-4f0f-8a97-c50675c03ece.filesusr.com/ugd/2f8cea_6f715a38782e46bba1a8cc6f53b28f18.pdf?index=trueIn PDF document text
- https://8b83d164-5e56-46cc-b941-48f48810ddf3.filesusr.com/ugd/76ce43_a6bbc448d7b14e44b0d1dfc58dcf4f3a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/0007b6da-f526-4200-b165-8dcaa2d5d9fc/how_to_get_out_of_monopoly_jail.pdfIn PDF document text
- https://2a4c341d-9af7-4f89-b48a-1b926ad6ced7.filesusr.com/ugd/dd6616_9dc91c9898aa4261b029fd35cd2d7756.pdf?index=trueIn PDF document text
- https://8d684a1e-4078-49cd-b336-05adf09473b6.filesusr.com/ugd/2b25e8_90f945cba814489f92acd0d6db5d295a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/567bc600-220c-41bb-adf4-72b46e45967c/general_chemistry_petrucci_10th_edition_solutions_manual_free.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_off0000f914.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF914 | 5360 bytes |
SHA-256: 9963f1b930717e34f9ba3b1322b0b268130df67f41bc0d4fc89dea6ebd7f9f06 |
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font_01_sfnt_off00010b27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B27 | 12088 bytes |
SHA-256: 97203cc754d969fb437f9c54e33f3bf9ab21f0750d11bd56ccf30b616e1de477 |
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