Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f9c114883919ccd…

MALICIOUS

PDF

48.0 KB Created: 2021-09-02 23:55:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-27
MD5: 1e0956cd4e44ebf20507b3c6fd3bfedc SHA-1: 0dfd0c162557f8189f994b89a412908ccd392147 SHA-256: 7f9c114883919ccd634e8175ec8110bec36fee729fa7274c5ddf7487745e0ee5
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The file is identified as a PDF document containing a large number of external URIs, many of which point to compromised or disposable hosting domains. This behavior is characteristic of a link farm designed to direct users to malicious websites, likely for phishing or malware distribution. The ClamAV detection further supports its malicious nature.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4888

Heuristics 5

  • 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
  • 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://oniceh.ru/uplcv?utm_term=ryobi+drill+12v+manual PDF link annotation
    • http://drkoopman.nl/cmsimages/file/60286657256.pdfIn PDF document text
    • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f3a128ebc37---74168182896.pdfIn PDF document text
    • http://progfin.pl/userfiles/file/gedorizo.pdfIn PDF document text
    • https://777mto.org/contents//files/zepobuzekogureru.pdfIn PDF document text
    • http://world-housing.jp/ckfinder/userfiles/files/notolutomaj.pdfIn PDF document text
    • http://alexlunacoach.com/img/editor/file/61676791368.pdfIn PDF document text
    • https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/11qphmd7dfst64asspl91h6jh6/51271188487.pdfIn PDF document text
    • https://www.sacda.org/wp-content/plugins/super-forms/uploads/php/files/bfteas2gk5gc0b8pe626ga7js2/9253285169.pdfIn PDF document text
    • http://hotelstrack.com/bot/ckfinder/uf/files/73334304462.pdfIn PDF document text
    • https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c8c4f5a248e---jukamobisuteziser.pdfIn PDF document text
    • https://thewaves.net/wp-content/plugins/super-forms/uploads/php/files/7h01kt1fsnoude0k43g3mp3php/52171210378.pdfIn PDF document text
    • http://tuzvedo.hu/elemek/file/61424915959.pdfIn PDF document text
    • http://denki-shonan.com/uploadsfile/raposelowopog.pdfIn PDF document text
    • https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/305rkrrb6rqs62o6u2ojfv8tt3/xajibexuzugafawogafito.pdfIn PDF document text
    • http://dlmberatung.ch/userfiles/files/18983085005.pdfIn PDF document text
    • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9f8521e7b2---jotesimixegi.pdfIn PDF document text
    • http://faradbox.pl/files/file/tuwokosovex.pdfIn PDF document text
    • http://droprint.my/home/ququ4923/public_html/userfiles/file/wivamarexilafazu.pdfIn PDF document text
    • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c9680362010---38016612925.pdfIn PDF document text
    • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612132ff13986---potidigezudewojerelevuge.pdfIn PDF document text
    • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c06cafbb6a9---93453953142.pdfIn PDF document text
    • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/6b74e0d01d3bec2a7041c6cca3bbc37d/79866245630.pdfIn PDF document text
    • http://diamondsnspurs.com/clients/12200/File/jiwusadekejedovimuf.pdfIn PDF document text
    • https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a09ca55753f---48149519324.pdfIn PDF document text
    • http://packamate.com/userfiles/xoxaxisuke.pdfIn PDF document text
    • https://www.americansummercamps.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075c52206624---jivikavenizu.pdfIn PDF document text
    • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a8229bcb3e---21597843595.pdfIn PDF document text

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