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, specifically flagged as a phishing trojan. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and other disposable hosting, likely intended to lure users to malicious content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a deliberate effort to create a network of links for SEO manipulation or to distribute malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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 http://webcertain.net/contentupload/fckeditorUploads/organization_/file/jopogixuvulade.pdf
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc18554765---68753291270.pdf
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609be6a79afe8---wivopurefozoxilemut.pdf
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609893593225e---jezubadaxupoj.pdf
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/3qqma44rqh6pssa9mvj6kfu376/dajevexa.pdf
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/vlkh7ad7584f1fj18omgq2a8n5/82285972778.pdf
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16090b77cc2965---dedenaxapuda.pdf
- http://sieuthibongda.net/ckfinder/userfiles/files/saregexorixaro.pdf
- http://al-bandak.com/userfiles/file/tutir.pdf
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/e86bsset11ksofgat6pa5cl2r2/nasomegejasozuluwe.pdf
- http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/ipatdbvegijbahe0hb27uq01c2/15240325950.pdf
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160744e2bb3b9c---zajajod.pdf
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16093f6d06191a---podasabuvuwu.pdf
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1cdad343d9---sejesexoserarovupev.pdf
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4fcb1b6ce3---mosukedunulujabev.pdf
- http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/sng3obnnvb59d4u8b6nedbnv5o/tukes.pdf
- https://thewaves.net/wp-content/plugins/super-forms/uploads/php/files/av9crrj95pvsh7503c1ktt1ual/59736622213.pdf
- http://richardarnoldalumni.com/clients/a/ad/ad1dcfa6f69ac51e3fe6bec18f6cf6d6/File/95491448029.pdf
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/0f91fb0b9eec75fe58d4d39b58fcd4bd/74064164622.pdf
- https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/a27ctvdedvg5q4d5oq73k3nkm9/lubuxotovuj.pdf
- http://bulmarconsult.com/files/ziwife.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=what+is+a+notice+of+disposition
- 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_off0000f81c.bin119f35a263a23349e676a812585d5a867cf6ab51b8ac8e5f2def8ed3aa089f0d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF81C | 10564 bytes |
font_01_sfnt_off00011030.bin8457b7f39c043065bd5fc6da05b6dd6ab7cb750cb30b8873316a195379d5a309 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11030 | 16508 bytes |
font_02_sfnt_off00013afd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AFD | 16792 bytes |
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