MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ClamAV and an ML classifier. It employs a common phishing lure technique, presenting an image-only document with a clickable action to disguise a malicious link. The embedded JavaScript stream and numerous external URIs suggest an attempt to redirect the user to a potentially harmful website, likely for credential harvesting or malware distribution. The document's structure and the presence of a link farm on disposable hosting further indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 7
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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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 67 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://pistant.ru/uplcv?utm_term=download+stick+nodes+pro+apk PDF link annotation
- http://2ds-creations.fr/userfiles/file/pufuguxob.pdfIn PDF document text
- http://perechen-jurnalov.ru/js/ckfinder/userfiles/files/zimukom.pdfIn PDF document text
- http://grafitym.kz/files/file/14391806961.pdfIn PDF document text
- https://psiakocky-potisk.cz/webpagebuilder/ckfinder/userfiles/files/76151025770.pdfIn PDF document text
- https://baobiachau.com/luutru/files/62088413625.pdfIn PDF document text
- https://khoahoc.timviec365.com/picturesfiles/biwivimitaxakasunoz.pdfIn PDF document text
- https://argekaucuk.com/nbg/upload/files/70518509227.pdfIn PDF document text
- http://www.abitacolointerni.it/newsletter/file/kevemuwoxage.pdfIn PDF document text
- http://razaviota.ir/basefile/razaviotair/files/4160690288.pdfIn PDF document text
- https://dallaslandscapedesign.com/media/files/gamavunakezom.pdfIn PDF document text
- https://yapluka-services.fr/userfiles/file/36197616498.pdfIn PDF document text
- http://runhouchem.com/upload/files/30386732704.pdfIn PDF document text
- http://mirutte.com/newsfiles/files/famubosakawogo.pdfIn PDF document text
- http://albergocavour.com/userfiles/files/noluvulizakakejititoda.pdfIn PDF document text
- http://capthepcongtrinh.com/uploads/news/files/pimafigazefibosimuj.pdfIn PDF document text
- http://www.chubsorn.com/file/files/gabevewimiro.pdfIn PDF document text
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/atqdq7qa2kb2vuhc98c950ecbn/56264699912.pdfIn PDF document text
- https://heatingboiler.ca/fck_upload/file/91770832423.pdfIn PDF document text
- http://www.rify.us/cms-uploads/files/fekazivoxojimenipu.pdfIn PDF document text
- http://sinorarechem.com/upload/files/18767538978.pdfIn PDF document text
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/g3oed9h1pbuljdrfv10dsh0s19/rujefabozonuzogafigus.pdfIn PDF document text
- https://santa.sg/images/users/00000000/files/60251844034.pdfIn PDF document text
- http://mixmarketing.vn/upload/fck/file/87692750916.pdfIn PDF document text
- https://ahirealty.in/admin/userfiles/files/nifogolixizadamubusa.pdfIn PDF document text
- http://mpti.ru/userfiles/file/poxivozokobinepi.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_off0000af8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF8C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c7a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7A3 | 10684 bytes |
SHA-256: 5a29256d8d3dddffceceafce4cd4c2d5879d6815e474d8d2ca8001498c6c3349 |
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font_02_sfnt_off0000e04b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE04B | 13780 bytes |
SHA-256: be913e4e1ed5e712389b347704911e90e13a485b128e060696fdd646dd556e6c |
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