Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e9e1bb7ae664aef…

MALICIOUS

PDF

67.6 KB Created: 2021-04-01 05:06:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-20
MD5: e2fb87d67d70573a55b5c3657e964220 SHA-1: 58b378692c7d69446c7079a61d58bb51bda10066 SHA-256: 1e9e1bb7ae664aefc384524205bca515592c7369d498189e9b43fbf516e908ef
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was flagged as malicious by ML classifiers and ClamAV. It contains numerous external URIs, including one pointing to 'fokemale.ru', suggesting it's part of a link farm designed to redirect users to malicious content. The document body, though heavily obfuscated, appears to be a lure related to a 'Mobility scooter parts list'. No scripts were extracted, but the presence of multiple external links indicates a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7441

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://fokemale.ru/aws?utm_term=mobility+scooter+parts+list PDF link annotation
    • http://nejamaranidirit.22web.org/22475391468.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393349/normal_605e10d291812.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413119/normal_60030d047a333.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4501632/normal_6030a40ae773b.pdfIn PDF document text
    • https://cdn.sqhk.co/nevupediwix/hgghehc/othello_characters_strengths_and_weaknesses.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383921/normal_5fdb848eee844.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4483608/normal_605838fd0df77.pdfIn PDF document text
    • http://sitajejo.22web.org/82331012465.pdfIn PDF document text
    • https://s3.amazonaws.com/zuguvoxoki/assamese_video_songs_site.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/06b63755-eb12-4e24-ac32-ff1d0c233d63/36564281800.pdfIn PDF document text
    • https://s3.amazonaws.com/retisovojor/datetimepicker_mindate_format.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6a73e2a6-9598-414a-95ef-5761013916e2/canon_pixma_mx432_printer.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/167fc6e5-abfa-4504-a324-8165fc395b52/how_to_update_my_ematic_digital_converter_box.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/29722948-a306-4d6a-be8a-f39fe740b523/acer_chromebook_laptop_walmart.pdfIn PDF document text
    • http://bepapogijarepub.rf.gd/dowenod.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b86f6f3e-1964-400f-b021-0987dec38ecf/90380673431.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8089de47-acd7-40d5-b65c-bf04ae4a1d5d/how_to_replace_element_on_jenn_air_cooktop.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c3c19756-56e1-4133-bffa-1ac3bac5839b/rca_visys_25424re1_user_manual.pdfIn PDF document text