MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to various domains, many of which are hosted on compromised CMS platforms. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting for these links. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/2821c85f001818ad914de600dfb9b9e5/jitire.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/22f1cb121805d16865be91447456ffd1/kemelakirabij.pdf
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607982eecd39a---93839847200.pdf
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/sbjlijk61bfk2nsmtamum1omke/91788980853.pdf
- http://leakefamilyreunion.com/clients/63964/File/tubofivosevimikovuwod.pdf
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/cf1a45610df98303f2903714b39a28ae/warubur.pdf
- http://longearedhounds.com/clients/65743/File/xidojun.pdf
- https://leavereview.com/customerinterview/ckfinder/userfiles/files/dojoworivogezowiloxaw.pdf
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/4cf72d8773ba81aa16ef6d6995238000/bexagibelixumo.pdf
- http://bouncebodysupplements.com/newerac2c/userfiles/file/76273389639.pdf
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16085dfc2783c5---3146609870.pdf
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/5144d68dd1269254a4dd69eb53934e81/biselevedaj.pdf
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608fa9ecb6ef5---66701579973.pdf
- http://bortran.com/upload/image/file/20210515020242.pdf
- http://duepassidalcentro.it/userfiles/files/54525736594.pdf
- http://chocoenglish.com/_UploadFile/Images/file/54876362686.pdf
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/97omdr2j7mhvjvl487539trvj8/53892225172.pdf
- http://xn--k1akb4c.xn--p1ai/userfiles/file/rozurubumalepebufijivitof.pdf
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c27b4cecc8---17036640603.pdf
- https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e847d3e4ba---14882701934.pdf
- http://anquocrealty.com/uploads/image/files/wikorigudiweg.pdf
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d671744517e---17491160292.pdf
- http://seashoresilverlabradors.com/clients/4/48/482fd9669fb3260065120a60ccac5e48/File/gupekaxarerubilofu.pdf
- http://inarchengineering.it/userfiles/files/soraxesiju.pdf
- http://balassalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/85971443718.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=differential+equation+mathematica
- 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_off0000c66d.bin02dc473b1085707ebde7f82e5286d1b86c3f00e2eacf753907ebea4d1c602552 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC66D | 17264 bytes |
font_01_sfnt_off0000f410.bin2ad1715ee4f37978062ecc80b499d605fa37eeaedf7d12fbec47598b3aba2f0b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF410 | 10680 bytes |
font_02_sfnt_off00010c5c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C5C | 16792 bytes |
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