MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing or trojan variant. It contains numerous embedded URLs, many of which point to disposable hosting and are likely used to redirect users to malicious sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using numerous small PDFs on disposable hosting, suggesting a campaign to distribute malware or conduct phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 5
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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 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://philabc.ru/uplcv?utm_term=dnd+5e+form+fillable PDF link annotation
- http://vrajacreation.com/uploaded_files/userfiles/files/ragekasibulawejewuz.pdfIn PDF document text
- http://shippingengineering.com/files/ckeditorothers/27181375359.pdfIn PDF document text
- http://tonyprins.nl/images/uploads/file/51066951824.pdfIn PDF document text
- http://edituj.cz/res/file/mekudetozogijov.pdfIn PDF document text
- http://holdemigny.fr/ckfinder/userfiles/files/mureviziwulomadotora.pdfIn PDF document text
- http://gabinetortodontyczny.eu/userfiles/file/tajujafigutiromirazenu.pdfIn PDF document text
- http://home-plast.ru/foto/files/65322760263.pdfIn PDF document text
- http://hongshengfish.com/uploadfiles/20210909/210909061723034227a6w7bc7sykdb.pdfIn PDF document text
- http://otvorene-srdce.sk/userfiles/file/75751572459.pdfIn PDF document text
- http://kleiberit.ru/files/file/48290579011.pdfIn PDF document text
- http://elistaprezentow.pl/userfiles/file/94658037094.pdfIn PDF document text
- http://meadescafe.com/userfiles/file/2552218153.pdfIn PDF document text
- https://apluskleaning.com/admin/images/file/gamivatomuzokovetodowede.pdfIn PDF document text
- https://turasmobilya.com/img/editor/image/file/renozojofuzaw.pdfIn PDF document text
- https://oglethorpeclub.org/~oglethor/UserFiles/file/pisupebelovododoxiru.pdfIn PDF document text
- http://neogmbh.de/www/sites/default/files/userfiles/file/suwapagipiwaxeba.pdfIn PDF document text
- http://dinskayarealty.ru/media/file/wiwileponixajowosolew.pdfIn PDF document text
- https://andrejc.si/files/file/tuliwagefabajijojujadul.pdfIn PDF document text
- http://dc-a0dcf319a153.breakthroughsport.com/userfiles/files/ginupili.pdfIn PDF document text
- https://thailonghoang.vn/upload/files/7438202380.pdfIn PDF document text
- https://www.privathospitaletkollund.com/ckfinder/userfiles/files/1216709298.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cead.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEAD | 17224 bytes |
SHA-256: c29adec04721f712e499876dfceeb9bd2955bfb159a2df4a36dd6d11a0fe23dd |
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font_01_sfnt_off0000fb85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB85 | 10524 bytes |
SHA-256: 9a0c4c4f877adb21f2c13d930653d58f1a0b65cc16f2e31e7bed31f06fd0ad4d |
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font_02_sfnt_off0001136e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1136E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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