MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links to compromised WordPress upload directories and disposable hosting, suggesting it's part of a link farm designed to distribute malware. The presence of 'invoice' or 'payment' language further supports the phishing lure attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 7
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/eaa647dd6ccab7385120926b5ee7ea8a/gifedipogi.pdf
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/375cbb92822bea826d00278a11d4e5cd/76063000921.pdf
- http://circuitvietnamcambodge.com/hinhanh/file/titona.pdf
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/aliv79fga5qdv675ft53icj2h7/guxofifaxulebinibobosu.pdf
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/fe366ad6b3c8974af6f9ad59ffc4bff0/gupuzetatetul.pdf
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/08f89a44aac3d6f6fbf37f15ed4b28ff/bebozipefutukato.pdf
- http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baf8ca50a05---56793636801.pdf
- http://avtokit116.ru/!upload/files/34618644657.pdf
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072a0d36e061---95645531306.pdf
- https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/d298a633de2f3017e18b7ad18fdf2966/durixox.pdf
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/981c647e870bb745bf6b4bf68aeb07bb/2024477834.pdf
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16073784ab1f81---45960839469.pdf
- http://oreade-breche.fr/userfiles/file/xaxilo.pdf
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/ddf20c3a687e9654f3c69988fcdda5c8/78348072542.pdf
- https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/b5ba90377c148aa2698f1557fcc09d89/bogejurum.pdf
- https://radmangroup-ye.com/rgfiles/file/xaramozovizujebufodise.pdf
- https://wfca-czech.cz/temp/userfiles/files/99635297573.pdf
- http://hanhthien.net/uploads/file/zekoloviz.pdf
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cd99852ef6---93529242336.pdf
- http://grabnerestriche.at/wovibutidowotewojum.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=a+reversing+entry+should+not+be+made+for+an+adjusting+entry+to+record
- 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_off0000f461.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF461 | 16792 bytes |
font_01_sfnt_off00010c78.binad5e235cb7e961d1e82fdd16e0fca9eee529ad077a163a0b09c9edf4c51f65d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C78 | 11452 bytes |
font_02_sfnt_off00012725.bin5340b0d28e72056b3683f17983b1b55af450b946bb979c6e998fba88579c9107 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12725 | 18476 bytes |
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