Malicious PDF — malware analysis report

Static analysis result for SHA-256 071c92cf8c287001…

MALICIOUS

PDF

62.5 KB Created: 2021-03-17 10:40:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-08-20
MD5: adfcaf96f52493ad6d50e62ea0ad0699 SHA-1: c98b6c5f3f289168695958bf9085afbe96d250db SHA-256: 071c92cf8c2870017b72c97ce60aebdf4e9d52e71e3b43f08fd12aa3364f1c84
184 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of external links, many pointing to disposable domains, suggesting a link farm or phishing operation. The ClamAV detection and ML classifier indicate malicious intent, likely related to phishing or malware distribution. The document body, though heavily obfuscated, contains text related to baptism gifts, serving as a lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6205

Heuristics 5

  • 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://jacksth.ru/strik?utm_term=what+do+you+give+your+godchild+for+baptism PDF link annotation
    • http://axacheat4.xyz/frigidaire_ultra_quiet_iii_wont_draint0kjd.pdfIn PDF document text
    • http://becloud.website/annexure_d_sample_word_format928jf.pdfIn PDF document text
    • https://nolujamikudaze.weebly.com/uploads/1/3/4/8/134868466/regewadifo_nilumenojixe_ladezakux_zomexiruxep.pdfIn PDF document text
    • http://smilex.club/voyage_belek_fact_sheet_2019lzbds.pdfIn PDF document text
    • https://bolomekedi.weebly.com/uploads/1/3/4/7/134769876/sibubiru-judiwoliji-dimivaxesewazaj-giduxonoxom.pdfIn PDF document text
    • http://ladujose.sportsontheweb.net/32180454123.pdfIn PDF document text
    • http://zugugalepew.mypressonline.com/baxetenisowijeg.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bdea7698-dd91-4065-a14d-c1901e0c544f/83738454789.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/02149581-f6a1-4b8d-b0d4-3b3f7725d691/roxarawax.pdfIn PDF document text
    • http://zorikeroz.onlinewebshop.net/japanese_playstation_store_vita.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d6d2c9d5-acbf-42ad-9182-70455bff83b5/zugutavaledover.pdfIn PDF document text
    • http://gujimosodaza.myartsonline.com/vikizifuletak.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4f206eb1-cf07-429d-8994-2a7b4d319364/88225745165.pdfIn PDF document text
    • https://fb413987-6e77-4bf1-aaa6-e97eb550fbee.filesusr.com/ugd/108936_2299e6c8e04e496b896225dfcb5a16eb.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/2a988eb3-0496-4b24-a36d-a1a3bfd793ce/jepapifasaledupipoxotik.pdfIn PDF document text
    • https://01c19f78-c7d0-441a-b56a-8672493f87de.filesusr.com/ugd/9d66c7_7f17bc0043fe476bba9351baf9c0aa4c.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/e52187b8-3fa3-41cb-bab8-c335cab6b978/sovozimuletinedekij.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/021da197-fa43-4ff3-b112-bb895bb26bb1/business_communication_course_syllabus.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7b7b1118-1124-4120-a07c-70a7aefd9d09/how_to_descale_a_nespresso_vertuoline_machine.pdfIn PDF document text
    • https://93dbb2ad-f1e8-4c6c-adfd-2ef134399473.filesusr.com/ugd/df4650_27ddc672cfa14796a5ce1bfbd3172e34.pdf?index=trueIn PDF document text