MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating it's a phishing or trojan distribution attempt. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites, likely serving as a distribution point for further malicious content. The document body is unreadable, but the heuristic firings strongly suggest a phishing or malware delivery scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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://drafthe.ru/uplcv?utm_term=response+to+request+for+production+florida
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/h3i59cm356sr6ku0e5mn1r2f63/83574545624.pdf
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/dg39qbdt3v4thc0krnhm0gbe13/retelobedudo.pdf
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/gktcc8k19lpfr437f5eatuvn5k/nafelelelumaxe.pdf
- https://www.bakirkoytemsilcisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160816df5402d9---65041017148.pdf
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/16075d446503bf---kikizufiwexokibuvemuto.pdf
- http://kistours.hu/userfiles/file/80035296840.pdf
- http://www.stemcellhairclinic.com/files/files/31379906144.pdf
- http://szzxwx.com/Upload/Upload/file/2021528850289003.pdf
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/ctqk1v3thk6ddsphg46j9i5gda/93880509821.pdf
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/ogbhcvdtrlatjustgsdvuti0bl/sidatixujujeb.pdf
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608992069fef7---mebovomo.pdf
- https://alternativecarrepair.com/userfiles/file/xuzokow.pdf
- http://raykingcarroll66.com/clients/2/29/292092747e06e0ab09130fa737b110c0/File/70499211927.pdf
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/59924c694e02300746c6689ff3c65bc8/45551148865.pdf
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/c751affb426e3d1ae84816fa153328eb/9314861932.pdf
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a98660c741d---88440602139.pdf
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/19920948590.pdf
- https://usssecuritate.ro/userfiles/file/jitusabi.pdf
- https://davaocarrental.com/images/file/wiwivuzagiziramuk.pdf
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd81b933c3---wawopisa.pdf
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/hkcpjlbd21ngl1mp7qkm5m4pn0/zazow.pdf
- 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_off0000f99c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF99C | 16792 bytes |
font_01_sfnt_off000111b3.bind76b70bae4790ab41d47b5ddace1b8f6fe8e46c03fe3b36a68a84b2fa44e598f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111B3 | 10904 bytes |
font_02_sfnt_off00012ad8.binc645700dafa2b8fa9197309834a2b10798ecaaa50dd1fbdd64c50218397af858 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AD8 | 16712 bytes |
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