Malicious PDF — malware analysis report

Static analysis result for SHA-256 56933542bb183c9d…

MALICIOUS

PDF

63.7 KB Created: 2021-09-13 15:12:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-27
MD5: e8ea9bbe6a905ab68294a9adcab9b74b SHA-1: 286acd11ba327ef3cf2f12e85c796d0b99e5b58a SHA-256: 56933542bb183c9d1dffa5938a3bd68cda2e80b3503ae2f860f63697b8d13ab2
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file was detected by ClamAV as Pdf.Phishing.Trojan. The PDF contains numerous embedded URLs, many of which point to disposable domains and are structured as a link farm, a common tactic for phishing or distributing further malicious content. Although no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest an intent to redirect users to malicious sites.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4986

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://sartor.ru/upload/files/gabawumasi.pdf In PDF document text
    • http://bjqyms.com/filespath/files/20210902020634.pdfIn PDF document text
    • http://videocycling.info/files/file/bapawigebofiromitamuzom.pdfIn PDF document text
    • https://mavachhaiphong.com/upload/files/livijiw.pdfIn PDF document text
    • http://umrllc.com/userfiles/files/xitajuveburabubezites.pdfIn PDF document text
    • https://channeloflove.com/ckfinder/userfiles/files/26771312555.pdfIn PDF document text
    • https://rajaketiga.com/contents/files/78474735124.pdfIn PDF document text
    • http://asztalosweb.hu/userfiles/file/zubunepufafumapem.pdfIn PDF document text
    • http://boxerdapolenta.com/cmsimple/images/file/kares.pdfIn PDF document text
    • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613d3f8fc288d---likukov.pdfIn PDF document text
    • https://ev-owners.jp/userfiles/files/71686203513.pdfIn PDF document text
    • https://autotoner123.com/home/autotone/public_html/ckeditortest_WORKING/ckfinder/userfiles/files/lurubupeta.pdfIn PDF document text
    • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16130ac07c7bb6---67986224701.pdfIn PDF document text
    • http://rmgoals.com/userfiles/files/pokuzujusatuzase.pdfIn PDF document text
    • https://hobbypet.cz/files/file/4712800163.pdfIn PDF document text
    • http://execdentalclinic.com/uploads/ckfinder/userfiles/files/mukoreje.pdfIn PDF document text
    • http://sparkpro.lv/content/file/lefogemulame.pdfIn PDF document text
    • http://steakpluspizza.us/userfiles/file/12600512270.pdfIn PDF document text
    • http://dalnoboy.org/data/filestorage/upload/files/xizikuv.pdfIn PDF document text
    • https://podiummagazinenews.com/ckfinder/userfiles/files/16283099130.pdfIn PDF document text
    • https://www.edm-medical.net/ckfinder/userfiles/files/rimaduxixobuno.pdfIn PDF document text
    • http://odpadykj.cz/UserFiles/File/52842185721.pdfIn PDF document text
    • https://ecodiagnost.com/ckfinder/userfiles/files/pamanufadezigowate.pdfIn PDF document text
    • https://abcelectricalonlineshop.brilliantwebtech.com/userfiles/files/gajonuzopewafotamaraf.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=compress+mp4+to+mp3+onlinePDF link annotation

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