Malicious PDF — malware analysis report

Static analysis result for SHA-256 f07fbba0e8bcee3f…

MALICIOUS

PDF

59.7 KB Created: 2021-03-04 16:40:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: f7b6889e1f96947c72a2b2e02c9509f6 SHA-1: f734c322eaac8de2d075f9fc9855a188944dcb6b SHA-256: f07fbba0e8bcee3f410979e70006363c1b17d9057ad8c505110240909c92dbcf
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains numerous embedded URLs, many of which point to disposable hosting and are used in a link farm. The ClamAV detection and ML classifier indicate malicious intent, likely phishing or malware distribution. The primary malicious URL identified is jumiwimov.ru, which is presented as a solution manual for a financial management textbook to lure victims.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6079

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 https://jumiwimov.ru/strik?utm_term=financial+management+theory+and+practice+11th+edition+solution+manual+pdf PDF link annotation
    • https://cdn.sqhk.co/baduvezemu/g8pjbQi/56105905404.pdfIn PDF document text
    • http://myyshooop227.site/dragon_age_inquisition_official_strategy_guidenaa54.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4416802/normal_5fca4c8b8f7f0.pdfIn PDF document text
    • http://apkweb.net/dozugejumukozafovo00qy5.pdfIn PDF document text
    • http://omerkatanalp.com/tiposefivevivemopapasahtdpx.pdfIn PDF document text
    • http://atlas-copco.su/87552824728qlmm7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4444351/normal_5fcd98138226a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4486041/normal_601b3ef223d1d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414161/normal_5fd805ad0c413.pdfIn PDF document text
    • https://cdn.sqhk.co/bilanogakiw/haiiZge/naroforolenopexup.pdfIn PDF document text
    • http://mazafaka69pussy.online/28808228526v9njp.pdfIn PDF document text
    • https://cdn.sqhk.co/xenudipu/azgcijg/small_modern_country_kitchen.pdfIn PDF document text
    • https://cdn.sqhk.co/baxoladipezu/jazFhgB/youtube_children_s_worship_songs_with_lyrics.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2c624143-d300-4df7-80a8-fbf947e5c02f/25438223299.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/eb925f03-6aad-4802-b4e4-832c80638639/gisekivosupibirumefunus.pdfIn PDF document text
    • https://s3.amazonaws.com/wuwabobujasivor/48819547910.pdfIn PDF document text
    • http://pubamawuxa.epizy.com/little_caesars_pizza.pdfIn PDF document text
    • https://s3.amazonaws.com/kubafezin/6679368369.pdfIn PDF document text
    • http://vivufetapowoz.epizy.com/murales_sobre_la_historia_de_mexico.pdfIn PDF document text
    • https://s3.amazonaws.com/mawesenasijoser/ieee_transactions_on_energy_conversion_word_template.pdfIn PDF document text
    • http://waxusumuguk.epizy.com/math_worksheets_grade_6.pdfIn PDF document text
    • https://s3.amazonaws.com/pajukovuxetu/86356752459.pdfIn PDF document text