MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress upload directories and other potentially disposable hosting, suggesting a link farm designed to redirect users. The PDF structure itself appears to be a lure, with the primary function being to host these external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9800
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://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/ae777bc4f05f19df1b97e34f522a21eb/26241544035.pdf
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/6gant5ctio0j6mkjsg9mgpbic2/pelevilidob.pdf
- http://novichiha.ru/pic/file/81547215746.pdf
- http://eperon-kochersberg.com/img_db/sixepamijawaj.pdf
- http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3981cb2c14---kirudojazekegosulogo.pdf
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3b21646d47---bixufumebesitigiguriruneg.pdf
- https://catequesisnavarra.org/guiarte_userfiles/files/lozotumumiduvepexu.pdf
- http://studiodrago.eu/userfiles/files/pazamawinuboferitifa.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/opei4a1cqtmdeqi135v9v770sk/40146767776.pdf
- http://alacarte-design.de/userfiles/file/55001674660.pdf
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160c2033bbcd9b---tijozawaliwusukupawapome.pdf
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608c4d4453957---zepanusirurosezaw.pdf
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbc5719c2cc---61873376875.pdf
- http://creptiles.dk/userfiles/file/40539588956.pdf
- http://cuatro-pr.org/sites/default/files/file/bosajo.pdf
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd12f2eddb---fewuresororilipi.pdf
- http://fotografiafrancescosomma.com/userfiles/files/xokukukidobifozitedofa.pdf
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/04ce01357b405d6a0406b5ee3480f6cc/kutelijijofenemesef.pdf
- https://avgdesign.com/userfiles/file/koxukutu.pdf
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/599f023198e9757287594ec1b050ea9b/32302869994.pdf
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607caac83f993---84887212199.pdf
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/22b567447ca3ea6ed51c6c4dc2929538/lutevefipisaparu.pdf
- https://arte-salon.ru/upload_picture/14342918377.pdf
- http://gabortech.comadmin/file/7958549191.pdf
- https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/33125915aedd95d5477f28433c298b22/87809052937.pdf
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/11e4eddf91f546ad62e7e8d988766c67/rojekibotaluxemafosulu.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=wizards+1st+rule
- 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_off000123e7.bine67ef8a10bed63ea9acff481f6e4c238122f715e4484c8d36a0d07ef93d9411c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123E7 | 17208 bytes |
font_01_sfnt_off00015137.bin9f39c446ad38639a95607b9d6a9b0c13d3de056fd7a994818345b2a6de89bf8f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15137 | 10224 bytes |
font_02_sfnt_off0001685e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1685E | 16792 bytes |
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