MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous URLs pointing to compromised WordPress sites, which in turn host other PDFs. This suggests a link farm designed to redirect users to malicious content, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/3oa6c1dp2p507ng40c8518digu/wavuxovunox.pdf
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/b604176aef6a4152565cb747950c5cd4/voxutigoxamotagebeb.pdf
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cae841b0125---66534802288.pdf
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b54c787294a---fesudoxepo.pdf
- http://animalscipublisher.com/files/upfiles/file/55659429952.pdf
- https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a09ca55753f---48149519324.pdf
- https://dcoderesearch.com/uploads/lolejesorulate.pdf
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/9c6dd277b45cdfbd52e08b1f2063fe69/pajinabin.pdf
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7575a13f51---1192806819.pdf
- http://blueyee.com/upload/file/130124047037.pdf
- https://secolink.sk/userfiles/file/67113365355.pdf
- https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/2bd281d65703e2e69f41097600e61cd5/kovuzelufijigaj.pdf
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1606f8712c2644---pezisovegazunezuniwaga.pdf
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a87dd498870---ladozetiguzul.pdf
- https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606f79cbb6364---85114219498.pdf
- http://ownlines.com/upfiles/file/25416511849.pdf
- http://mp-journal.com/media/file/29012899494.pdf
- http://mldinsaat.com/image/files/45764089046.pdf
- https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/1622qcr7r05uut9h23n5lmtohb/24203039179.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d9a8b8f73f---77223404200.pdf
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/rsafpsj8e7i557la26h49o0o0a/tosozojigumikevonawurud.pdf
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b56afaf07f8---fajedawipexuwokezimot.pdf
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/b5501eb9d028f968fa38146fdf217746/lalot.pdf
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/16080ba7746822---kurodufufovenugoxe.pdf
- https://reitinguok.lt/userfiles/file/1572718216.pdf
- https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/d5f86f8093bb329a103e2953a558d217/bexekubuxoref.pdf
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609f65a11c764---fanotizupijukeje.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=family+and+friends+1+photocopy+masters+book+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_off0000f84e.bin45d291ad780467f9a8d4e495145368d906d39cbc4dba0b08b7715f096fc17a42 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF84E | 17180 bytes |
font_01_sfnt_off00012511.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12511 | 16792 bytes |
font_02_sfnt_off00013d28.bin070a5144a121085a3f25dae7bcc1afddfe9fc9145f4196c21638f82781c6abd2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D28 | 11260 bytes |
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