Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d08ee97a69d7f12…

MALICIOUS

PDF

56.8 KB Created: 2021-09-16 01:09:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-27
MD5: b76d2d48169582d93fb7263246fa37b5 SHA-1: 55fb13c17cfb994aec85e53a29c4575dbf12e711 SHA-256: 5d08ee97a69d7f12fd35a44ee7a9e5646dc75c7f56ea99f532dedabbda7dad41
124 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous embedded URLs pointing to a link farm hosted on various domains, many of which appear to be disposable. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically flags this behavior, indicating a likely phishing or scam attempt to direct users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5046

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://dentistturkey.com/image/files/16593636781.pdf In PDF document text
    • http://bsa-billiard.by/images_from_html_editor/file/68495814836.pdfIn PDF document text
    • https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/71h1bqfgg0ghou4np9c7huben4/37612563393.pdfIn PDF document text
    • http://allprintusa.com/admin/images/file/sedupurusu.pdfIn PDF document text
    • https://taichielite.com/louis/taichi/ckfinder/userfiles/files/dapolobogijivoxewarobuma.pdfIn PDF document text
    • https://doina.md/fckeditorfiles/file/tasivuxus.pdfIn PDF document text
    • http://yourhealthyanswer.com/ckfinder/userfiles/files/gavemuxef.pdfIn PDF document text
    • https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613151ab003d7---95095232971.pdfIn PDF document text
    • http://kondicionery-shodnya.ru/upload_picture/file/bovajudefexufipija.pdfIn PDF document text
    • http://golfvillageonline.com/userfiles/file/zitadurixumiviwadi.pdfIn PDF document text
    • http://tabletopad.com/images/file/dazelapizidu.pdfIn PDF document text
    • https://propiedades.net/ckfinder/userfiles/files/34121112089.pdfIn PDF document text
    • http://www.vandiestbrandstoffen.be/uploads/files/82068446240.pdfIn PDF document text
    • https://netlandschool.cl/files/juvopuvepezotavuxogosemaf.pdfIn PDF document text
    • http://shardamedicalstore.com/singhania/downloads/file/99638700496.pdfIn PDF document text
    • https://cakesandcupcakes.net/userfiles/files/45436417909.pdfIn PDF document text
    • http://amandatravel.com/userfiles/file/sewijufakisivofe.pdfIn PDF document text
    • http://dogomanhnghia.com/uploads/files/51859105348.pdfIn PDF document text
    • http://emons-verlag.net/testarea/cwsCMSlight/media/files/95209556243.pdfIn PDF document text
    • http://shengnabei.com/uploadfile/file///2021090508072689.pdfIn PDF document text
    • http://circolonauticofavignana.it/userfiles/files/77267106021.pdfIn PDF document text
    • http://richardchong.com/userfiles/files/26535778660.pdfIn PDF document text
    • https://bibonatura.com/ckfinder/userfiles/files/75636566978.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=what+does+android+use+for+musicPDF link annotation
    • http://mustang.tom.ru/jsplugins/ckfinder/userfiles/files/zobijoxakirulidado.pdfIn PDF document text

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