Malicious PDF — malware analysis report

Static analysis result for SHA-256 c7252b029075dee8…

MALICIOUS

PDF

85.5 KB Created: 2021-06-27 02:46:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: aa15cb3d62ccb1175548b94766a261dc SHA-1: 55cc39251e2ab07a6e3c1217295fb1baf94102b3 SHA-256: c7252b029075dee8f4591c7bcfbf196897b50cdcff2687d581f944e6ab28a3ec
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains numerous links pointing to compromised WordPress sites, indicating it functions as a link farm. The primary purpose appears to be directing users to malicious content hosted on these compromised sites, likely for phishing or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9951

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • Embedded URL info EMBEDDED_URL
    One 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://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/a2f916499348c474a18f3c5faa718bd5/15954097797.pdf In PDF document text
    • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bb3710b1c83---66663285971.pdfIn PDF document text
    • https://atlastoursntravels.com/userfiles/file/duvope.pdfIn PDF document text
    • http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a6789d041c8---32699719879.pdfIn PDF document text
    • https://ankaratemizlikcim.com/depo/sayfaresim/file/74419429006.pdfIn PDF document text
    • https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/d24208ba8ad17e2089c38233a2c4bae1/81549883366.pdfIn PDF document text
    • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b1fbdb65613---zurefowerade.pdfIn PDF document text
    • http://chanakyaaerospacedefence.com/userfiles/file/dogad.pdfIn PDF document text
    • http://hzkontejnery.cz/ckfinder/userfiles/files/4819375051.pdfIn PDF document text
    • https://cls-toronto.com/wp-content/plugins/super-forms/uploads/php/files/18860f9846f12b1be28a2b7eddb3b33d/zaxonefamavuv.pdfIn PDF document text
    • http://niszczeniewaw.pl/userfiles/file/70848485426.pdfIn PDF document text
    • http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079455ac5717---48126489085.pdfIn PDF document text
    • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16085ed1451732---61946138211.pdfIn PDF document text
    • https://rajatotogroup4.com/contents//files/60428366081.pdfIn PDF document text
    • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d721b47c7b4---xikisixorineporunaz.pdfIn PDF document text
    • https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/160906fac9a86b---30265419409.pdfIn PDF document text
    • https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/c6d21c18366777abbf93985e4a6af61c/17155654437.pdfIn PDF document text
    • https://prana.video/wp-content/plugins/super-forms/uploads/php/files/rgoflfk2s461tmnnpmihv7mgjl/46146665250.pdfIn PDF document text
    • https://anctools.com/ckfinder/userfiles/files/98523982634.pdfIn PDF document text
    • http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/g87tmavcmo0io4oed55r5g7hr5/pugojonefo.pdfIn PDF document text
    • http://aihyang.com/userfiles/file/46651935664.pdfIn PDF document text
    • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16085434369d4e---fetewawubibenijepob.pdfIn PDF document text
    • http://zwickerfoto.hu/_user/file/jiratedujapamegoris.pdfIn PDF document text
    • https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf4937cb7f---pesokoxerudu.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=construction+project+life+cycle+pdfPDF link annotation
    • 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.

FilenameKindSourceSize
font_00_sfnt_off0000ebc6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEBC6 17028 bytes
SHA-256: 990bd2c4f57003dd6f3ef0cb536da3ede2020f36beb723f65f54937b84315076
font_01_sfnt_off00011780.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11780 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00012f97.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12F97 10828 bytes
SHA-256: 17bf4c19320cf440f2b2a418beaea76264e2343f2956ff2077337cd9fc8f7470

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