MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing campaign. The ML classifier and ClamAV detection strongly indicate maliciousness. The embedded URL 'https://vilenefex.ru/123?utm_term=the+buffalo+spot+nutrition+information' is likely part of the lure 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-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/123?utm_term=the+buffalo+spot+nutrition+information PDF link annotation
- https://balesiloruj.weebly.com/uploads/1/3/4/6/134671801/4a3142ae82c7c5.pdfIn PDF document text
- https://cdn.sqhk.co/lipetebo/dnolick/remaining_epl_fixtures_for_liverpool_and_man_city.pdfIn PDF document text
- https://dirusase.weebly.com/uploads/1/3/1/0/131070798/d84f98097.pdfIn PDF document text
- https://vokinojen.weebly.com/uploads/1/3/4/8/134851280/sigefiriwa-sogunajoz.pdfIn PDF document text
- https://dodevapamoj.weebly.com/uploads/1/3/4/3/134352329/b5a94b.pdfIn PDF document text
- https://gumevimarijefa.weebly.com/uploads/1/3/1/0/131071167/nikutegolejezusitebi.pdfIn PDF document text
- https://cdn.sqhk.co/zemakojunil/Ehfulji/mixuwelimokuf.pdfIn PDF document text
- https://cdn.sqhk.co/faruzikako/YiQJT4M/daily_lesson_plan_free_download.pdfIn PDF document text
- https://wuwosafojopog.weebly.com/uploads/1/3/1/4/131407683/7148268.pdfIn PDF document text
- https://cdn.sqhk.co/lasokixon/xjgbnid/98227720746.pdfIn PDF document text
- https://texotawumixiwaw.weebly.com/uploads/1/3/4/8/134898612/b3c8fc9608f0de.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://df1882fa-13c5-42f1-8438-577935b594b9.filesusr.com/ugd/91932b_1c2fbd3c7e5449f6ac85e8cabca9718d.pdf?index=trueIn PDF document text
- https://d5fd0048-bb8d-45a1-ba21-28d1cb0b7162.filesusr.com/ugd/5e8de6_5837bb1e2a1c419792d536fd0cf5682d.pdf?index=trueIn PDF document text
- https://f8d4b294-f952-4a11-85e8-0a3036f9bdaf.filesusr.com/ugd/ad8f3a_4344a62d749e44878ad615d63b0b57fd.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wesezuzuvalirik/tigopiledodefuluxog.pdfIn PDF document text
- https://5926284e-b61c-4ed0-95e5-27b9feedd2c3.filesusr.com/ugd/50c35f_c1f8cc583c434cd28754e7367ccacc74.pdf?index=trueIn PDF document text
- https://459fb65c-52af-4c88-885a-43a44fbeaf25.filesusr.com/ugd/6a7407_a4cea4b0858f466b8e960e5680b46600.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bufipevuril/cambridge_dictionary_offline_free_for_android.pdfIn PDF document text
- https://d321836a-1bf8-47c4-b4d3-67fe1e7f0250.filesusr.com/ugd/33ab24_18968885b35b42c98db8e85c00bb7522.pdf?index=trueIn PDF document text
- https://c8d0f166-86fd-441b-8df5-aa5e6c6c7644.filesusr.com/ugd/f4b3af_348c9412e56d4dedab633c4dd11a2a60.pdf?index=trueIn PDF document text
- https://d71fc03c-aea6-48f7-a990-8afffb22108d.filesusr.com/ugd/3de8a6_1ae1ab7f6c294cd99483e04083d1dfd5.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_off0000dd29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD29 | 5228 bytes |
SHA-256: d6a96598a1cc07bc21cd08b327ccffd4928b663abcbdaa35e2e50b6f3676969b |
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font_01_sfnt_off0000eec2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEC2 | 11168 bytes |
SHA-256: 38096e890f64296bff00a8268f5c41a8f03eff7fec3547fd5527e65519d5ec2f |
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