MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous external links, many pointing to compromised websites or disposable hosting, suggesting a link farm designed to redirect users. The presence of embedded URLs and the nature of the heuristics indicate this PDF is likely used as a lure to direct users to malicious sites, potentially for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://garglob.ru/uplcv?utm_term=english+letter+writing+pdf+download
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ecaadbd4951---46953178321.pdf
- https://casalindasbakery.com/ckfinder/userfiles/files/92824041049.pdf
- https://kidneystonetreatment.in/userfiles/files/gogabegulewob.pdf
- https://maviet.vn/upload/files/61305881076.pdf
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160841a9280b8c---93061058434.pdf
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/g6cqpehod1fp8ilhlkpvsu8f81/48085758972.pdf
- http://savemaxint.com/files/file/7006022045.pdf
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083ba30ce68a---75837307424.pdf
- http://carmakers.cz/userfiles/files/29807510600.pdf
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094376b75bc0---bekusag.pdf
- http://unsersohn.ch/images/file/posopazozowevabufuw.pdf
- http://bangdinhphucat.com/quangbasanpham/app/webroot/upload/image/files/69468838182.pdf
- http://tochalco.com/uploads/files/65418458222.pdf
- https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/bca99c73a9456926eab055657cacece9/10427263644.pdf
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/e4h7o5spvbr5132jbpanag028i/90831834527.pdf
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160783b5b9429a---32505008401.pdf
- https://vcubusinesssolutions.com/userfiles/file/1188232200.pdf
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d1afd8e9a9---77767059047.pdf
- http://matthewsmillsreunion.com/clients/c/c7/c7863f7b93cb17915b2a89d887155530/File/6375899889.pdf
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160720ada2ade7---nibixapinonawaranilij.pdf
- https://jordanadams.com/ckfinder/userfiles/files/16682561183.pdf
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/oqmnrhoudif2uulmi7qp7l9tes/vemuwibufikipuxejusoga.pdf
- http://briquettemachinery.com/d/files/tubuvijivarodipugopowaj.pdf
- http://kolaykanal.com/userfiles/files/gemiripuvuwitonamune.pdf
- http://hasyo.net/files/file/80244811230.pdf
- http://pivotal-technologies.com/userfiles/file/41592732266.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_off0000e52e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE52E | 16792 bytes |
font_01_sfnt_off0000fd40.bin172f321785c45af330794679fdcb7e90795113b9fa4b1f7a292a157b0df25e35 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD40 | 17348 bytes |
font_02_sfnt_off00012a37.binf0211f88a68fa3aaa3d050316799d80516a2c404e73957eee58ae56fcb4858c4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A37 | 10848 bytes |
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