MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan threat. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress upload directories, likely serving as a distribution point for further malicious content. The presence of these links suggests an attempt to lure users into downloading or accessing malicious files, aligning with spearphishing tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/9e7c70357c71aba6942980e1b105e909/325036887.pdf
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a101306ecaf---pezupunemurusujikiw.pdf
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/vgsao1n2g8mv3ge3eq5d5621j2/57664534826.pdf
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5bcff9d237e3853df3df5b6193623348/12226463957.pdf
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/bd2e8fa62ace090f00bf5b5c2ed04c6c/46867367788.pdf
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/bca1688e921910397579db85c225cc55/kuxogebabarukejaz.pdf
- https://roc.mn/uploads/files/67501680068.pdf
- https://fajanav.com/aym_image/files/fonajesijunumasigawa.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/182a4c8befff94f29b63d65145417013/tafitagen.pdf
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/2lm5vgun95jl6d6c3t16vfol3i/zemaxux.pdf
- https://seataclighting.com/wp-content/plugins/super-forms/uploads/php/files/1b709b819205d00d35c353455e7ffd38/vogil.pdf
- https://stijsr.com/userfiles/file/najunalovexigugeweboxi.pdf
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077bb341623e---rebimawafisuta.pdf
- https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/0881fb8555d039eac357b212e76845d5/62630231186.pdf
- https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/i14k5lhcopk6putsbrqt4kk0k6/lomofevanemidonaf.pdf
- https://www.movingwithmagna.com/wp-content/plugins/super-forms/uploads/php/files/e1cf28f8af536aeb5cdadfe21a3c5c13/58964081660.pdf
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/78ba57cc632099bfd5a3537d6688421e/68297085579.pdf
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/a5c4ffa98b46e94c4bc45891390372eb/90889576990.pdf
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1ae2943dc---sakarap.pdf
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/9009e2449836cfd858c06619c854502a/84120544979.pdf
- https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b017c25945a---vudubowezafopuzo.pdf
- https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/83344501ff196ed4dd8bb60a2d540fee/vajeneduvazixuvubu.pdf
- http://tdvvietnam.vn/webroot/img/files/67431311853.pdf
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ab0f130b01c---70516033157.pdf
- https://actorconseil.com/files/file/64000509021.pdf
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160861d662f396---68875488491.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=html+pdf+to+word+converter
- 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_off0000d621.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD621 | 16792 bytes |
font_01_sfnt_off0000ee38.bin2fbe28a610d3a644580ebdc67b2c46ce2248003b0f7d885bd4a7b0ebb292205e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE38 | 10504 bytes |
font_02_sfnt_off00010612.bin583705f15977d3c8b5d536eec0e128c66a72e0c2c7726e98a94c0de3282edb1e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10612 | 16392 bytes |
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