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. It contains a large number of external links, many of which point to disposable domains, suggesting a link farm designed to distribute malicious content or phish users. The primary malicious URL identified is https://vilenefex.ru/strik?utm_term=burr+v.+%25282003%2529+social+constructionism+pdf.
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://vilenefex.ru/strik?utm_term=burr+v.+%25282003%2529+social+constructionism+pdf PDF link annotation
- https://cdn.sqhk.co/dedomafub/m3YX01v/65745643610.pdfIn PDF document text
- http://betmoy56.com/how_to_write_a_performance_review_for_an_employee_exampleswww0c.pdfIn PDF document text
- https://guxovixig.weebly.com/uploads/1/3/5/3/135317997/3704dbf.pdfIn PDF document text
- http://instasurprise.online/addition_and_subtraction_within_1000_worksheet5z10f.pdfIn PDF document text
- http://okstore.info/hr_exit_strategy_templatezokzp.pdfIn PDF document text
- http://predouche.xyz/honda_5000w_generator_for_saleu1ljm.pdfIn PDF document text
- https://cdn.sqhk.co/rufosopufu/bYW7vBL/30th_birthday_party_themes_for_him.pdfIn PDF document text
- http://vitalia-transports.com/e_aadhaar_passwordwrj62.pdfIn PDF document text
- https://cdn.sqhk.co/vakolitakap/gdxhiid/todd_rundgren_hello_it_s_me_wiki.pdfIn PDF document text
- https://cdn.sqhk.co/dudumadopole/CjhNeVa/78225484088.pdfIn PDF document text
- https://tuxutumixebapi.weebly.com/uploads/1/3/1/4/131438514/fojige.pdfIn PDF document text
- https://cdn.sqhk.co/zetanitanedo/lhhqhcn/man_eating_shark_dashboard_dancer.pdfIn PDF document text
- https://cdn.sqhk.co/midipumep/igOgfwQ/real_traffic_racer_hack_apk_download.pdfIn PDF document text
- https://cdn.sqhk.co/bepesewutu/Gahe7gi/mazel_tov_wedding_card.pdfIn PDF document text
- https://bururinuriz.weebly.com/uploads/1/3/4/8/134882015/renufib.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://6acf0ca1-aa41-4771-8b91-54baff69ee7f.filesusr.com/ugd/7d1dc9_30b5ed9f0e8f49c790dfcd5272b9408a.pdf?index=trueIn PDF document text
- https://ff06b2c9-6223-4357-b4d5-1bf3807c749f.filesusr.com/ugd/717131_ffdf14eb5187488e9898e1b181a50724.pdf?index=trueIn PDF document text
- https://ea74ff18-003d-4094-8454-8d7e15e33abb.filesusr.com/ugd/50de67_a68f29c4f7d349dfbefead2f96baa4f0.pdf?index=trueIn PDF document text
- https://d397443b-80d0-4e74-967c-4ce830ee3754.filesusr.com/ugd/0a76f0_8d863b849dbc4aeabe59cdabaa5c9948.pdf?index=trueIn PDF document text
- https://7afcd0b8-98df-42a4-afe0-9544d44c9539.filesusr.com/ugd/74e9cf_4680ecade4ad44188f80c452ac93cc4f.pdf?index=trueIn PDF document text
- https://e7ba4f66-d023-404d-a355-a5b98970f127.filesusr.com/ugd/cac9e4_aa3025fab04b4218adb016d51d65c360.pdf?index=trueIn PDF document text
- https://43466d02-873c-4564-b63c-f2f79aa6d38e.filesusr.com/ugd/fd64e8_963c6121805b45568d252195f8b88113.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_off0000df9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF9E | 6036 bytes |
SHA-256: bc7810a45e4593d99ff33045e70c64ddf3f5306857e134d8b804c330fdd99aec |
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font_01_sfnt_off0000f430.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF430 | 10200 bytes |
SHA-256: 3b84b976fee9ebf4db27bdddf18b37c9773868a853d8ffcc06b197678e7e9b15 |
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