MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised websites or are structured as link farms, a common tactic for phishing or distributing malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as a phishing trojan. While no scripts were directly extracted, the PDF structure and URL analysis suggest it's designed to lure users to external malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://busankid.com/webfiles/board/file///15849086761.pdf
- http://asdgolfclubtoscana.com/writable/public/userfiles/file/73671973665.pdf
- http://cycling-software.com/files/file/wawozuvujege.pdf
- http://bijverhoeven.nl/uploads/files/54601791354.pdf
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b477f652bb6---37667149709.pdf
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a542794c98---4941675919.pdf
- http://www.reenactmentmarket.eu/images/wyswig_images/file/78835521412.pdf
- https://ajwatravel.com/wheelmarine/userfiles/file/pajomokise.pdf
- https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/7d12934c5b0a559db5aa84ca55a86427/80247983258.pdf
- http://banglatalkies.com/dynamic-images/cms/file/bivobovudizaferemabijoj.pdf
- https://carlojans.com/cms/file/69174876991.pdf
- https://rm-parketi.si/uploads/75392498002.pdf
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9336135339---95432290818.pdf
- https://sportsht.com/userfiles/file/mugowisezoxagokopogunedu.pdf
- http://webinaris.net/ckfinder/userfiles/publics/files/76471120838.pdf
- http://animationcoach.com/userfiles/file/puxukavozeb.pdf
- http://alexforstarlight.com/clients/4/41/4125d763bdae894b2c088b8c4c0f4705/File/42454146174.pdf
- https://istihdamhaberleri.com/upload/ckfinder/files/guraw.pdf
- http://gyobel.itpublic/file/87231306542.pdf
- http://aaaexpressac.com/userfiles/file/52438057532.pdf
- https://brianhigbielaw.com/UserFiles/file/nalinadi.pdf
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b62327ba7da---tudadu.pdf
- http://com123.vn/uploads/file/50097553372.pdf
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/84861dab13e538b38d9e27ba8af7e488/pulunolatejosid.pdf
- http://chpcentre.com/files/file/tavajujexifofovekoga.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=quest+tv+live+stream+free
- 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_off00010342.bindb0c674299be230c32d40220d5f7760962c76a2a3fe73d2057d1b3d3d94581c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10342 | 17016 bytes |
font_01_sfnt_off00012f64.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F64 | 16792 bytes |
font_02_sfnt_off0001477b.bin890f3215c47a1e369e516b5339eef7ae5850177faaf61620ba783cfd36a58a46 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1477B | 10376 bytes |
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