Malicious PDF — malware analysis report

Static analysis result for SHA-256 4050d948d728ae14…

MALICIOUS

PDF

42.8 KB Created: 2021-03-19 23:19:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 015d20a4859093229a557a56f00ab111 SHA-1: 279d985b98170f3463ccaf2d2f448476f6669cdc SHA-256: 4050d948d728ae14b2f1fdcc8c593f9f80ce1c99df22c6ff9b7bfd79a089ee45
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8150

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/wix?keyword=ff14+enmity+overlay PDF link annotation
    • https://kipokemob.weebly.com/uploads/1/3/0/7/130738996/1307227.pdfIn PDF document text
    • http://nomevufaneboja.mypressonline.com/noloxubarejedexadetuzom.pdfIn PDF document text
    • http://ramifapufebi.scienceontheweb.net/mosibojajosadawowapavoda.pdfIn PDF document text
    • http://katermore.ru/how_to_clean_kangen_machine97474.pdfIn PDF document text
    • https://wabelurotetef.weebly.com/uploads/1/3/4/6/134693048/cf79006f3ee1dea.pdfIn PDF document text
    • http://hotita.space/iki_basamakl_arpma_ilemi_zl9p29.pdfIn PDF document text
    • http://shtangye.xyz/wusegipaxigizikobizn30t0.pdfIn PDF document text
    • http://sevowina.medianewsonline.com/ielts_writing_tips_and_tricks_general_training.pdfIn PDF document text
    • http://manuximaxemeje.scienceontheweb.net/59424530082.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412573/normal_5fe64b623bc10.pdfIn PDF document text
    • https://nafoxowozuvika.weebly.com/uploads/1/3/1/3/131383754/4712136.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379610/normal_6004d9cf788c1.pdfIn PDF document text
    • http://joritirumag.mypressonline.com/74295267354.pdfIn PDF document text
    • https://s3.amazonaws.com/wovisak/travel_and_tourism_competitiveness_report_2018_india.pdfIn PDF document text
    • https://aca292c6-a3ee-4c96-b4c9-db15c8eca1b9.filesusr.com/ugd/cd1d52_df44d566d30d425586943c131eeeac96.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/lososimap/badanediforidefalodisepas.pdfIn PDF document text
    • https://s3.amazonaws.com/nokiva/cardistry_tutorials_free.pdfIn PDF document text
    • https://s3.amazonaws.com/sasufufa/stanley_battery_charger_not_working.pdfIn PDF document text
    • https://3e1af3dc-cf37-4f58-935d-0a6065bc5ce9.filesusr.com/ugd/3ca236_db6186527bc445b7a9c6f3582343acc7.pdf?index=trueIn PDF document text
    • https://47a25507-5c4f-4e73-9b7c-0c49514c8174.filesusr.com/ugd/e00bd3_2447fe49ac284b579f4ec71be5162105.pdf?index=trueIn PDF document text