Malicious PDF — malware analysis report

Static analysis result for SHA-256 a733ac83fe31be15…

MALICIOUS

PDF

66.4 KB Created: 2021-09-01 08:11:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11
MD5: ce6592f66f3b078837dd23a45cc08155 SHA-1: de483baf6fcd6c6f116f7846904d785edfa513ef SHA-256: a733ac83fe31be15bb4ca1ce9c1f53b7c9911cfa4988141ab895b3077bc6d03e
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link farm pointing to numerous disposable hosting sites, a common tactic for distributing malicious content or phishing pages. The ClamAV detection and ML classifier strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6405

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 http://simonhoirup.dk/userfiles/file/1639325431.pdf In PDF document text
    • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/pvter2ibsujlvkjp5ijchr1l3o/tawuzimovoxunosokodopega.pdfIn PDF document text
    • https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e19e354e8c---xupisokebaroruworenuputu.pdfIn PDF document text
    • https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608014a9be735---gozinufuxibuwip.pdfIn PDF document text
    • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16123ced9cc523---wotalosisenudepomukuloka.pdfIn PDF document text
    • https://parklanehotel.asia/userfiles/file/43897175424.pdfIn PDF document text
    • http://premo.at/userfiles/file/47552152508.pdfIn PDF document text
    • https://mma-montessori.com/admin/ckfinder/userfiles/files/68407910710.pdfIn PDF document text
    • https://bocrangsuthammy.vn/upload/files/14382906597.pdfIn PDF document text
    • http://midlandhigh79.com/clients/866549/File/vefitow.pdfIn PDF document text
    • http://civicwomen.com/ckfiles/files/kizabaxofus.pdfIn PDF document text
    • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/48a5a46b5a07e571fe7e847f4e5bb2a7/litezikuveligofizepis.pdfIn PDF document text
    • http://vizit-k.net/uploads/editor/files/kitekisosogiruwowog.pdfIn PDF document text
    • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/160a9befe90693---67742180539.pdfIn PDF document text
    • http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608b52a3c7acd---8444684919.pdfIn PDF document text
    • http://fobosgrunt.ru/files/ckfinder/files/bakowepixiwexexevu.pdfIn PDF document text
    • http://elektromig.pl/userfiles/file/rifozosadenexo.pdfIn PDF document text
    • https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/7c7e3c34c5ba800904128db09349b879/52685806649.pdfIn PDF document text
    • https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/p9s99r6l1tpidh8k53vkj8g4bd/bixefuxivekebilapixixoxot.pdfIn PDF document text
    • http://ebsenglish.net/_UploadFile/Images/file/536881025.pdfIn PDF document text
    • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/kfa7742qlo08i6lrgtncmc5877/7353282430.pdfIn PDF document text
    • http://rfinshaat.az/userfiles/file/10973272735.pdfIn PDF document text
    • https://atlastoursntravels.com/userfiles/file/14421580310.pdfIn PDF document text
    • http://bluecars.pl/userfiles/file/feribo.pdfIn PDF document text
    • http://commandhousecreations.com/uploads/files/82511878655.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=the+professional+product+owner+pdf+downloadPDF link annotation

Open this report in the interactive analyzer, or submit your own file for analysis.