MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier with high confidence. Heuristics indicate it functions as a link farm, pointing to multiple compromised CMS upload locations and disposable hosting. The embedded URLs suggest a lure to external sites, likely for phishing or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/2fe255cc56191fce5b85b0e184e4a0af/29033968731.pdf
- http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a4a46d3059---94039114014.pdf
- http://pchs1967.com/clients/b/b3/b38b0c0be7ceca4b309dcb684d78a7c5/File/nutuf.pdf
- https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/cegho5j6ce2o456h33hle92r3l/sugagirujawegibu.pdf
- https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/8a2978934fc1f2e66c8928444330af49/jidugurexikisivotuvepul.pdf
- http://www.irrv.org/uploads/files/98951551414.pdf
- https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/05f2e4de8eb24423e486f7cf168a6850/11743813301.pdf
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607e91551e6d9---memiki.pdf
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160805b1a2a5db---89062953691.pdf
- https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/33125915aedd95d5477f28433c298b22/87809052937.pdf
- http://uralinteh.com/uploads/files/37089817813.pdf
- http://zpkprzemysl.pl/ckfinder/userfiles/files/pafanag.pdf
- https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/354354e8e3c87d7e08e79b09846c84f6/24624761684.pdf
- https://repare-ton-smartphone.com/userfiles/file/74313233016.pdf
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b378842792a---63618020716.pdf
- http://j1medical.com/uploaded/file/bilojefibetizemafuwo.pdf
- https://alakharia.com/public_html/userfiles/file/guluxufedufo.pdf
- https://moto-trend.cz/public/files/fck/file/48898189289.pdf
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160720d772c9d8---95379783809.pdf
- http://www.aqsclimited.com/EditorImages/file/zopokajifikigadevelep.pdf
- http://solarhomepage.ch/fckeditor/editor/images/file/49509824265.pdf
- https://bancodevida.com/bancodevida/admin/images/image/file/nezuxefuzofiruvobum.pdf
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/9b148c5ad75899641529a16d407ae281/ravasupimufe.pdf
- https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16093cbefe1333---56709814618.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=beyond+good+and+evil+nietzsche+quotes
- 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_off0000ff2b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF2B | 16792 bytes |
font_01_sfnt_off0001173d.bin2a756a3998b840358f31e75b58a99a607cdbf5d0baab09195cf39754111256c9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1173D | 18920 bytes |
font_02_sfnt_off00014676.binb951609dbb50e4afefd61e129b64570a147726292f406784a9d45c3e5c3d0cc0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14676 | 11088 bytes |
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