MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites, suggesting a link farm designed to distribute malicious content. ClamAV detection and ML classification strongly indicate malicious intent. The presence of link farms on compromised CMS platforms and disposable hosting points towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
Heuristics 6
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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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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://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613983ebb8243---28792185137.pdf
- http://safeabortionnepal.com/userfiles/file/sixavasujutoxa.pdf
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/161399a66e0b46---nekomija.pdf
- http://zaragozalawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zidadixopen.pdf
- http://koutingchina.com/upload/files/tuwovarefixag.pdf
- http://ingmarcofaedi.com/userfiles/files/tebezarifarimolijozisifu.pdf
- http://flixgolf.com/ckeditor/ckfinder/userfiles/files/dokesexifijowi.pdf
- https://designclarf.it/file/gotakef.pdf
- https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/f1d11f79ce1b2ed004d757fd3e215ae3/xuraxifexizulegoz.pdf
- http://canadianrockies.ca/files/file/punagokid.pdf
- http://meetburgerusa.com/uploads/files/dafosutasemufemojifen.pdf
- http://elturo.ru/img/upload/files/39508152211.pdf
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/f9031320c967bb62c8fee2e203bb6441/45973779963.pdf
- http://keemunblacktea.cn/uploads/file/09052651258.pdf
- http://www.rupankar.com/fckimages/file/95039539615.pdf
- https://alebusph.centralcms.cloud/galeria/files/94997964634.pdf
- http://sqc.jp/user_data/editor/ckfinder/core/connector/php/upload/files/batenewuwunevixopoboxu.pdf
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/mb1akdsvpg5rettlue5r1c9ai1/jogivozibukodajisudusezal.pdf
- https://hostsolutions.ro/app/webroot/files/userfiles/files/lonewaxuwutijepirop.pdf
- http://mishelik.ru/userfiles/file/nudetegotuboz.pdf
- http://kriosispl.com/cote_dor_import/admin/ckfinder/userfiles/files/vamagufiri.pdf
- http://xn--80aikni6a0b.xn--p1ai/images/file/jatubuguvujelazoxo.pdf
- http://www.findvoters.com/userfiles/file/zugifukigazapa.pdf
- http://tabouligrill.com/ckfinder/userfiles/files/tedisegokipu.pdf
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d08734ec2a---54523048954.pdf
- http://www.urbanwaterways.info/files/70573882902.pdf
- http://konditsionery-zheleznodorozhnyi.ru/upload_picture/file/70357139587.pdf
- https://egokituz.org/files/galeria/files/nupoxivunarunudutalolaj.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=attack+on+titan+online+multiplayer
- 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_off0000e35c.bin54db2d9449b2b5af2d3894107a689afbd6171b57770d1b730496d6733605c282 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE35C | 17392 bytes |
font_01_sfnt_off00010fa4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FA4 | 16792 bytes |
font_02_sfnt_off000127bb.bin74c1394286525d3e64b383ad0b68ce59db22e477fbf35a841b71d3e191d4af15 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127BB | 10652 bytes |
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