Malicious PDF — malware analysis report

Static analysis result for SHA-256 afbe8164786bc4ed…

MALICIOUS

PDF

118.8 KB Created: 2021-06-08 03:33:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: afed4033577d94d6b7527b4f3cce5a73 SHA-1: d78c462fe92461363a8714991451ce926b4808fb SHA-256: afbe8164786bc4eddb679efea1f1be42d0a442eafd21576b956772991afd778e
124 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.9002

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 https://catamma.ru/pbw?utm_term=hacks+para+1v1.lol+pc PDF link annotation
    • https://lakojelot.weebly.com/uploads/1/3/1/6/131637836/japuvifanenopowizun.pdfIn PDF document text
    • https://gapemudumowew.weebly.com/uploads/1/3/1/4/131437765/f6bc77cd36cf45d.pdfIn PDF document text
    • https://jokazetesolibut.weebly.com/uploads/1/3/5/3/135314514/1113734.pdfIn PDF document text
    • https://waniritapi.weebly.com/uploads/1/3/0/7/130739375/2166461.pdfIn PDF document text
    • https://didejigoximatex.weebly.com/uploads/1/3/1/0/131070501/8152810.pdfIn PDF document text
    • https://tumogifizutuvo.weebly.com/uploads/1/3/4/5/134527103/vawixazavalunev.pdfIn PDF document text
    • https://tonikajolokoge.weebly.com/uploads/1/3/0/8/130874266/a84be5de1c.pdfIn PDF document text
    • http://nagomax.pbworks.com/w/file/fetch/144825852/ejercicios_de_matematicas_6_primaria_santillana_saber_hacer.pdfIn PDF document text
    • http://xelivolofuso.pbworks.com/w/file/fetch/144546249/cg_holi_song_dukalu_yadav_free_download_mp3.pdfIn PDF document text
    • http://giresizuloki.pbworks.com/w/file/fetch/144443352/turks_and_caicos_weather.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8fb7790c-bbd0-4f4a-8824-d29e50a6dd42/kumulak.pdfIn PDF document text
    • http://fadoposapat.pbworks.com/w/file/fetch/144579735/319.pdfIn PDF document text
    • http://xegosigex.pbworks.com/w/file/fetch/144685914/telugu_rockers_full_movie_free_download.pdfIn PDF document text
    • http://godekazonigi.pbworks.com/f/banovesowatoterixeropifip.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5ea9f42a-97bf-47cb-b5cd-0177a818e0b4/sweat_equity_contract_template.pdfIn PDF document text
    • http://nagaxop.pbworks.com/f/18978427424.pdfIn PDF document text
    • http://katexawa.pbworks.com/w/file/fetch/144683568/how_to_buy_penny_stocks_in_canada.pdfIn PDF document text
    • http://gezebal.pbworks.com/w/file/fetch/144738273/como_descobrir_a_senha_do_wifi_pelo_celular_-_j_conectado_iphone.pdfIn PDF document text
    • http://mujusevo.pbworks.com/w/file/fetch/144455931/93220382422.pdfIn PDF document text
    • http://sujagajo.pbworks.com/w/file/fetch/144732387/you_make_my_dream_come_true_quotes.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fd79f90c-85d5-4937-b68c-795435b6ae51/69744669276.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d055a11f-b4fc-4ac5-bdd7-0ea3928e9f48/batman_the_long_halloween_comic_for_sale.pdfIn PDF document text
    • http://wemekojezum.pbworks.com/w/file/fetch/144671172/how_do_you_write_a_report_in_english.pdfIn PDF document text

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