MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF contains multiple links to external websites, many of which are hosted on compromised WordPress sites, suggesting a link farm designed for phishing or malware distribution. The 'SE_CLICKFIX' heuristic indicates the document likely instructs users to execute commands, a common social engineering tactic. ClamAV detection and ML classification confirm the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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://catamma.ru/uplcv?utm_term=outlook+2016+cannot+open+pdf+attachments PDF link annotation
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/6ba0dc9350d05106794884ef5fd35d59/sisobiwuk.pdfIn PDF document text
- https://privatecambodiatour.com/userfiles/file/59152935947.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/a122671d07ebcebedfed5e08fbd0f157/falezolida.pdfIn PDF document text
- https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a47b6ae2860---gipanakoba.pdfIn PDF document text
- https://acronimocostanzo.com/userfiles/file/75143430928.pdfIn PDF document text
- https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/ce079bda9c5dbfb536146a769c37a941/21890098923.pdfIn PDF document text
- https://floridainvestment.cz/files/file/26953248803.pdfIn PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096b9817aae4---67671311927.pdfIn PDF document text
- http://somersetcountybar.org/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zujerabatedep.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e332f7ee54---19990928592.pdfIn PDF document text
- http://hertzlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/74158210275.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5dbcdee59---voxevonubonosutiribexozo.pdfIn PDF document text
- https://shivajigrihnirman.com/singhania/downloads/file/48501739880.pdfIn PDF document text
- https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/d910b72ec515f5ae5cf5849cf401d760/71959109439.pdfIn PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160de3a98a45ce---zerakumixopav.pdfIn PDF document text
- https://gloriamus.org/Uploads/userfiles/files/83040246582.pdfIn PDF document text
- http://mopi.eu/ckfinder/userfiles/files/4724064803.pdfIn PDF document text
- http://jhdljz.com/userfiles/file/1626554206.pdfIn PDF document text
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160775286ea9b4---sowunugijimiwumob.pdfIn PDF document text
- http://www.vikingmaterials.com/img/ponik.pdfIn PDF document text
- http://hakkabrothers.com/userfiles/file///50949742781.pdfIn PDF document text
- http://leebyenghun.com/new/upload/board/files/wikedanabuligexogilotewa.pdfIn PDF document text
- https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/6ca73f42d4afcf1aabc72af6d937c598/xuvojamagutaworubiwuxi.pdfIn PDF document text
- http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ee0e912ad5---xiregoberides.pdfIn PDF document text
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abd8950360a---gikabigeteregeba.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e7c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7C3 | 18684 bytes |
SHA-256: d3ec3ddc00ed479d1a1a1bcd9d4b1ac750da2c4a6af5cc7f5bf245f6c47f039b |
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font_01_sfnt_off000117b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117B1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012fc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FC8 | 11372 bytes |
SHA-256: 167eae1e2b25b29b42e9df49410a54b4efccdd6134ca95802260d7b3365560f4 |
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