MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by multiple heuristics and a machine learning classifier as malicious, specifically identified as a phishing trojan by ClamAV. It contains a link farm pointing to compromised WordPress sites, suggesting an attempt to trick users into downloading further malicious content. The presence of embedded URLs and the 'SE_INVOICE_LURE' heuristic indicate a phishing or scam attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://drafthe.ru/uplcv?utm_term=jquery+ajax+download+file+pdf PDF link annotation
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/edaca9eeda7933fc2bd78b73a0ccfef1/22831075648.pdfIn PDF document text
- https://taperagi.com/contents//files/wopibotamimaxe.pdfIn PDF document text
- http://www.jasfec.com/imgs/uploads/navumukagivowexotuz.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ba38ecafe3a---zisadaxop.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16127bf8b4d55e---96651433191.pdfIn PDF document text
- http://orthodoxvaidikasanghom.org/userfiles/file/36413098736.pdfIn PDF document text
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/a5c3362c6d123019c455486edfcab467/zejojaropomorejosa.pdfIn PDF document text
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/9gkf3f2ic4l61ih8bds3u6bo3f/gexubuzububevoxes.pdfIn PDF document text
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/5937c8e529c59a825d76851908f2aa90/gusojukalifexena.pdfIn PDF document text
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609657c9d5eb1---99324520259.pdfIn PDF document text
- http://grandwatergatehotel.com/upfile_hotel/files/worus.pdfIn PDF document text
- https://ekransamara.ru/files/86089637449.pdfIn PDF document text
- https://sealskinz.ru/files/file/30320255052.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/rhcu483no8trf7mboeuqdq8fa4/wajexiludemulikevak.pdfIn PDF document text
- http://beloezoloto.ru/userfiles/file/vafonup.pdfIn PDF document text
- http://moscowfashion.net/content/xuploadimages/file/64857380926.pdfIn PDF document text
- http://growlink.biz/userfiles/file/niwagelemeviporozexijuj.pdfIn PDF document text
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160922cc86b599---59412814053.pdfIn PDF document text
- https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/u3krs1rso7qmpmo0afn9fq2ud4/89438970066.pdfIn PDF document text
- https://cobrawire.com/userfiles/files/vanemenuxofifilerepixenum.pdfIn PDF document text
- http://laureysnv.be/uploads/files/xugazo.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/342405c813e4c03853f38a428888ae0e/powexopalatonazegizabez.pdfIn PDF document text
- https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/d18bad5ea489656da0e8d1dcdb34e2ab/fikit.pdfIn PDF document text
- http://a1-automotivegroup.com/upload/files/2254553078.pdfIn PDF document text
- http://gwhs79.com/clients/867100/File/93921219821.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_off0000c597.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC597 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ddae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDAE | 10892 bytes |
SHA-256: da7a0a0692504dabb342ad8ca5d497367a0fae5f13ca823406d691e42348c740 |
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font_02_sfnt_off0000f6c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6C8 | 18028 bytes |
SHA-256: c32be8dba526220e77bd31b8f43f212773c8c72bc18efcd9d63791a170f1e8ef |
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