MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF file exhibits characteristics of a phishing lure, including an image-only design and embedded links pointing to potentially compromised websites. The presence of numerous external URIs and the ML classifier's high confidence score indicate a malicious intent to redirect users to harmful content. No scripts were extracted, but the structure strongly suggests a user-execution-based attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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 1 text block(s), carries a click-outward action, and is only 68 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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://pistant.ru/uplcv?utm_term=all+of+me+django+reinhardt+tab
- http://gs-metals.com/filespath/files/20210901141002.pdf
- http://thueotodn.com/uploads/image/files/jizuwufuzeguxubolanina.pdf
- http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/koliduxonur.pdf
- https://kingdomofgodmn.org/userfiles/files/82418144327.pdf
- http://cssh.es/img/file/98532896108.pdf
- http://aerotherminsulation.com/userfiles/file/debajemalik.pdf
- https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/0225916997c97d746cbe706e9dd49e06/xidozuj.pdf
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1613e5b3f39dba---47864670847.pdf
- http://pnc21.com/files/fckeditor/file/1700054988613cf33d2740c.pdf
- http://clainvest.pl/userfiles/file/37268171694.pdf
- http://sushistoryus.com/uploads/files/mabebunaradezuzi.pdf
- http://sedaciesupravy.sk/media/file/libawebovor.pdf
- https://basalyemek.com/ckfinder/userfiles/files/xefupuxogefafinesesoxuvo.pdf
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139671543425---waliretafezodukujevidu.pdf
- http://e-hematologica.com/users/file/58968014722.pdf
- http://greenearthgardens.org/userfiles/42576038633.pdf
- https://yuktogel.com/contents/files/sewezapabebiguluwobi.pdf
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141a7f93c188---91424528234.pdf
- https://jin-ji.com/upload/files/wamovubotelijoxikuxijiz.pdf
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/161362485b4019---neludadaboxenuzow.pdf
- https://sujatasfoodopolis.com/ckfinder/userfiles/files/60017511181.pdf
- http://permanentnimakeup-brno.cz/userfiles/files/subadovowegumufu.pdf
- https://congchunghadong.com/uploads/files/xotalitokopegipibufowos.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://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b29f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB29F | 16792 bytes |
font_01_sfnt_off0000cab6.bin433c4c3809d451f8459d80f534483e468003dd484fed1d3473aafd3a4999d7f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAB6 | 10884 bytes |
font_02_sfnt_off0000e361.bin3098a3beece05a377295701dd011c70e80154f807dc680b50be18161626f392f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE361 | 14108 bytes |
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