MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ClamAV and an ML classifier. It functions as a link farm, containing numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting. These links likely serve as a lure for phishing attacks or to distribute further malware. No scripts were extracted, but the PDF structure itself facilitates redirection to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://irlanc.ru/uplcv?utm_term=maze+runner+scorch+trials+book+characters
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3c8361b55---32437436947.pdf
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/nhv0njingjg9i5ul54s920u0t0/733096936.pdf
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8c5b34078---ribefegilif.pdf
- http://zigzagontwerp.nl/sites/default/files/file/loxejazemanater.pdf
- https://alternativecarrepair.com/userfiles/file/zilezaf.pdf
- https://alternativecarrepair.com/userfiles/file/pujemamabiruwi.pdf
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2da5bbb6b7---kagokizekibize.pdf
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/49ff7ff6227d2dfa882ea3abfc3df3d7/95685032918.pdf
- https://ludifrance.fr/userfiles/file/duzasefotuwe.pdf
- http://www.sphotobooth.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073d3f7372fd---46408530364.pdf
- http://mhfmjournal.com/data/22/2/55/64/2544879/user/2788947/htdocs/userfiles/file/58380860315.pdf
- http://tokstar.com/_UploadFile/Images/file/nuloxatovafu.pdf
- http://sromedical.com/file_media/file_image/file/jujefewanol.pdf
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd63fadbc3---66196958710.pdf
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16086941f01e76---84360649185.pdf
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d95a07e017f---jojigefelurofap.pdf
- https://flyags.com/editorResources/file///janefetuvozuveted.pdf
- http://restavratorstvo.com/ckfinder/userfiles/files/42036202220.pdf
- http://wefocusdesign.com/upload/files/subowe.pdf
- http://tomnhenryanderson.com/clients/8/8a/8a1068334c160bb49438aafe8043afff/File/23259820570.pdf
- http://formel1vermietung.de/userfiles/file/vexexidufixofojazewepuz.pdf
- http://iphonedown.com/ckfinder/userfiles/files/72483830742.pdf
- https://ilcaminodaugo.it/file/87032110177.pdf
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606d033e7e721---13716459639.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_off0000db27.binb4aa3c414538eeddac348d2b03a9fe97eb2bccc801c67c487f4df29918315b54 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB27 | 16468 bytes |
font_01_sfnt_off000105f5.bin20f9c31e4924f4633d5a896eca751250afc0874e13a54b8bda56609cce7d2f45 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105F5 | 10712 bytes |
font_02_sfnt_off00011e8d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E8D | 16792 bytes |
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