MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, as malicious and potentially phishing-related. It contains a large number of external links, suggesting it is part of a link farm designed to drive traffic to malicious sites. The primary malicious URL identified is https://dafemum.ru/strik, which is likely used for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://dafemum.ru/strik?utm_term=yoga+poses+for+weight+loss+and+toning
- https://cdn-cms.f-static.net/uploads/4455208/normal_60121843232eb.pdf
- https://cdn-cms.f-static.net/uploads/4369310/normal_5fe66018d08fe.pdf
- https://xososikanezav.weebly.com/uploads/1/3/4/8/134892973/puxepeperuramul_wixegat.pdf
- https://lezekuzog.weebly.com/uploads/1/3/1/3/131378913/dajopu_dekavive.pdf
- https://cdn.sqhk.co/nugilatunu/eicjcgd/19657318429.pdf
- https://cdn.sqhk.co/ritasuxa/hpGhjhc/best_online_art_masters_programs.pdf
- https://bopidojosonek.weebly.com/uploads/1/3/1/3/131384153/jasakamax.pdf
- https://setabuzi.weebly.com/uploads/1/3/0/7/130775645/37ce276e112a.pdf
- https://cdn-cms.f-static.net/uploads/4460060/normal_601fcb473211c.pdf
- https://cdn.sqhk.co/mizogujuzo/iggd3Xq/us_passport_renewal_application_form_for_child.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/vuliwisuwig/57648273171.pdf
- https://s3.amazonaws.com/vososasoxumete/wozokemuvezumonagi.pdf
- https://uploads.strikinglycdn.com/files/7c697a93-5748-4ae7-8640-acc57119dd3b/ridizebominironol.pdf
- https://s3.amazonaws.com/wupagivoz/anarchism_in_latin_america.pdf
- https://s3.amazonaws.com/vojapu/is_the_herald_sun_printed_today.pdf
- https://s3.amazonaws.com/wovitiku/rote_counting_1_20_worksheets.pdf
- https://s3.amazonaws.com/sorogamat/26584609674.pdf
- https://s3.amazonaws.com/sugowubuf/alexandre_de_moraes_direito_constitucional.pdf
- https://uploads.strikinglycdn.com/files/7cefa943-25f9-43d4-baa7-0629f235f748/dujedusem.pdf
- https://uploads.strikinglycdn.com/files/fe990871-065b-47c8-a011-6753c00b1831/apple_airport_express_instructions.pdf
- https://s3.amazonaws.com/tipikaxe/attachment_report_example.pdf
- https://uploads.strikinglycdn.com/files/328d1102-e4ba-409e-b754-f28840921eb6/49022770468.pdf
- https://s3.amazonaws.com/somamere/damubazijip.pdf
- https://s3.amazonaws.com/wulagisi/18614433067.pdf
- 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_off0000e366.bin5fa3cae3b53748b93a2378ede66868762a46e675c22bf67365f30b39987eaa76 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE366 | 5356 bytes |
font_01_sfnt_off0000f5ac.bin2caf6db46f9d909e4a0908d9619fbd9de0e3c0027c22c1b1a81764b5b16bb4d5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5AC | 10600 bytes |
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