MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous links to external websites, some hosted on compromised CMS platforms, suggesting a link farm or phishing lure. The presence of a 'download' button heuristic further supports the idea that the document is designed to trick users into downloading a payload. While no scripts were explicitly extracted, the nature of the heuristics and URLs points towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://pistant.ru/uplcv?utm_term=php+convert+pdf+to+excel
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8cafff29bb---63939269089.pdf
- http://teakdeck.pl/files/file/wofurupe.pdf
- https://paperland.bg/uploads/file/90935291562.pdf
- https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/2tudm3p4vhefm0abs0bogr2rq2/sadesokusufisudenezixop.pdf
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/c90063d3bd94fb5173d3d6234c972e6a/26979798195.pdf
- https://ovalpolycoats.com/media/kilasixi.pdf
- https://ecohort.com/userfiles/files/35465549035.pdf
- https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/160981c4173298---44528885219.pdf
- http://zahradysnapady.cz/soubory/files/84014528903.pdf
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160ab878c907a3---26005197182.pdf
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/9624f4cdcd5c79550e0405424c204157/kofodu.pdf
- https://nikosdimos.gr/userfiles/file/turoxo.pdf
- http://phukhoabacninh.com/images/files/tomubu.pdf
- https://ilexgold.com/app/webroot/files/userfiles/files/sizojuzajagamiwodibexuji.pdf
- http://aldo-ins.com/userfiles/file/2707978301.pdf
- http://denki-shonan.com/uploadsfile/41716531909.pdf
- https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/aa1b9d48698ee8e145c9e4f60e18925c/tuluvunimo.pdf
- https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/tcmoa3ntnccpuhvdh7vg21dag6/saxiritipezudop.pdf
- http://splogservice.ru/content/file/99893288580.pdf
- http://deborahkay.com/ckfinder/userfiles/files/82383881477.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_off0000bd87.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD87 | 16792 bytes |
font_01_sfnt_off0000d599.binbaa44c4e023c4efc8a5976a0296881832fd8aaafbc87f498809e363e691248e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD599 | 16284 bytes |
font_02_sfnt_off0000ff95.bin9186bceb4b30350c8c15a75ddc1eb73a2b16dd048cddec02fe3e3acdbf403d42 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF95 | 10464 bytes |
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