MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or malicious content delivery attempt. It functions as a link farm, containing numerous URLs that point to various websites, many of which appear to be compromised WordPress installations. The presence of 'utm_term' parameters suggests an attempt at SEO manipulation or tracking user interactions with these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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://queure.ru/uplcv?utm_term=for+and+against+essay+introduction
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d47dc64d866---kulavapuwe.pdf
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/4361b62a8cc523791cf869147aba4d5a/66728796825.pdf
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/d88298f9facafb8ef987705c160dd2a3/lovufotidedifof.pdf
- https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/05b0aa1b886fc1ef2806ed232f68b603/88025137345.pdf
- https://oriental-kitchens.com/userfiles/files/pagalelelupukalakiwu.pdf
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b8ea17a64a---33995504264.pdf
- http://bogaarchitetti.it/userfiles/files/12506483232.pdf
- https://holcom-solar.com/webroot/img/files/podike.pdf
- http://nakakinpump.kr/fckeditor/upload/file/91293492020.pdf
- https://speak82.com/_UploadFile/Images/file/puvedelivagosavixi.pdf
- https://brandonsmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/918hrebncjm50090tri6niq3f4/77662789568.pdf
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d2bff3283dd---11722143232.pdf
- https://vicotelecom.vn/static/source/images/file/pinososoxofifugudonar.pdf
- http://maudchristan.nl/ckfinder/userfiles/files/nunonokol.pdf
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/ebd74309a01ad243a8dbed479b889f56/buzusanozubogis.pdf
- http://www.pethouse.es/ckfinder/userfiles/files/74957327564.pdf
- http://abovomedia.hu/_user/file/xozoxopumukusin.pdf
- http://burragebrothers.net/demo/jolie/beta/userfiles/files/80771556562.pdf
- http://pk.mo/userfiles/file/94819847864.pdf
- http://ormansagszive.hu/upload/file/povilumekoz.pdf
- http://absolutelyneon.com/userfiles/file/didomigazotavamodiganit.pdf
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1606e7367db35a---85813449345.pdf
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/457fac839b53de4b03f63dee3f8d7140/20303534238.pdf
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f5007e6146---tirexifasiwefizot.pdf
- https://majorsagilekvaros.hu/uploads/file/sivikuruguwonidijamurilu.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_off0000e2e5.bincb6f70f32583469d096c8bda01918b3e8eaf46393d78ae8a3f93fa9e29fc4796 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2E5 | 16600 bytes |
font_01_sfnt_off00010dce.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DCE | 16792 bytes |
font_02_sfnt_off000125e5.bin608fae787cda95864b7f51447894a9ec63dcadd14193684726c1720d51221194 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125E5 | 10692 bytes |
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