MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, with one heuristic specifically identifying a 'PDF_SEO_LINK_FARM' containing 30 external links. The primary external link, 'https://zajinet.ru/strik?utm_term=how+to+cite+a+web+page+with+no+author+harvard', suggests a lure related to academic citation, which is a common phishing tactic. ClamAV and ML classifiers also flagged this PDF as malicious, indicating a high likelihood of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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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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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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=how+to+cite+a+web+page+with+no+author+harvard
- http://dk-inc.xyz/plato_republic_book_2_and_3_summarygf5u5.pdf
- https://cdn.sqhk.co/faxinomitux/cgh1wgf/hide._me_vpn_app.pdf
- https://cdn.sqhk.co/waxolulum/cZl05jc/commander_in_chief_demi_lovato_chords.pdf
- http://gufutaca5.xyz/bopalajnp8w.pdf
- http://lighterusb24.site/pirates_of_the_caribbean_piano_sheet_musiczx5q8.pdf
- https://cdn.sqhk.co/wepurodapike/hcBgf8N/94482401184.pdf
- http://jijoxep.getenjoyment.net/esl_appearance_worksheet.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/pevarijidasalop/22834961846.pdf
- https://2e81f42f-67f9-46a9-89e2-a5f3ab3b03ee.filesusr.com/ugd/f138f5_3ad351491ce3453993fffca9fe4398f4.pdf?index=true
- https://s3.amazonaws.com/gazijewevan/caballo_de_troya_11.pdf
- https://s3.amazonaws.com/zarevizebi/balegagadiwadezige.pdf
- https://s3.amazonaws.com/dowavelaxam/entertainer_piano_sheet.pdf
- https://s3.amazonaws.com/jefazaxal/mediaget_android_gezginler.pdf
- https://850a36a1-966c-46c3-86ed-e15bcb5778a7.filesusr.com/ugd/ede58b_69d0832c7ae240a2bfcd9046bb1d4c7a.pdf?index=true
- https://s3.amazonaws.com/jinabisura/sagufoxani.pdf
- https://d62ff7d9-aefc-4ab8-8cdf-af38868aea16.filesusr.com/ugd/54b9a1_91ccd04cc1834d0296ff6ec96fad3a21.pdf?index=true
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d86b.binfc7feb18c2a65437103b8d9b38316917d2cf8f88b4c194e901735c0284455735 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD86B | 5380 bytes |
font_01_sfnt_off0000eabd.binbea7df3e80d864bfde7c1693340380be2f5f8dc1a0b8f520de62c42637cfd5a1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEABD | 11060 bytes |
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