Malicious PDF — malware analysis report

Static analysis result for SHA-256 47e92eacf703b0a4…

MALICIOUS

PDF

70.2 KB Created: 2021-07-26 10:47:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-03
MD5: 3533486e77513680d73000fee86e70fd SHA-1: 909cdff859c36ef1d2a8b8b0014a38079da628db SHA-256: 47e92eacf703b0a4b623113d6d4672ccc6716e1a4d628674dcf9215ea9cc02aa
154 Risk Score

Malware Insights

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

The PDF document contains numerous links, many of which point to compromised WordPress upload directories and other potentially untrusted hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The document body is heavily obfuscated and unreadable, providing no direct user-facing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8880

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://terralis.eu/catalogue_dynamique/file/ninepudepumilezibez.pdf In PDF document text
    • http://wabasnb.com/files/fckeditor/file/127021857060f0d19c73da7.pdfIn PDF document text
    • http://bindashnews.com/userfiles/file/48764188178.pdfIn PDF document text
    • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160790c5bece5e---mufifasekenokaxuxonodoji.pdfIn PDF document text
    • http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/23f29ec05bc474dc8cca4f9252d43a73/81082647909.pdfIn PDF document text
    • https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/73f7d40ec24242d60c09539ca27495e5/75014714531.pdfIn PDF document text
    • http://aksaaydinlatma.com/img/editor/image/file/kosujuxepiwumifa.pdfIn PDF document text
    • http://studiomalpocher.it/userfiles/files/kemowi.pdfIn PDF document text
    • https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1ff46f440---kozafirodijitu.pdfIn PDF document text
    • http://kondicionery-vidnoe.ru/upload_picture/file/gavuwo.pdfIn PDF document text
    • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d7ecba52c0da48e9950d94a308d3996b/13678047959.pdfIn PDF document text
    • https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160905dee6304c---32457527576.pdfIn PDF document text
    • http://huile-de-nigelle.info/userfiles/file/12971433951.pdfIn PDF document text
    • http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd0749ea58---mugalarenuwujebikodipukon.pdfIn PDF document text
    • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ccf4c2b4274---41091049748.pdfIn PDF document text
    • http://hrzservices.com/uploadfiles/file/tevamezojarot.pdfIn PDF document text
    • https://tselectromechanical.com/uploads/CKfiles/files/90909762666.pdfIn PDF document text
    • https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/cc47340c378cfe6e7910bcf5602792c3/fupaloteviboto.pdfIn PDF document text
    • http://m2m2design.com/userfiles/87881224028.pdfIn PDF document text
    • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/asiub9ak96oes9djmkascdjc21/mubumoxojopevaw.pdfIn PDF document text
    • https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/ht5hcp92vkl1bpubu3j644roq1/27366057622.pdfIn PDF document text
    • https://alternativecarrepair.com/userfiles/file/47807383336.pdfIn PDF document text
    • https://oxfordjsr.com/userfiles/file/leluvidijudabimalobikitip.pdfIn PDF document text
    • http://alarcon-v.com/editor_upload_image/file/30274441988.pdfIn PDF document text
    • https://havanic.com/cache/fck_files/file/36409165137.pdfIn PDF document text
    • http://dientrotiendathc.com/media/ftp/file/4178243268.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=what+is+the+meaning+of+the+word+agastyaPDF link annotation

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