Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7cddd3f6b32c3ff…

MALICIOUS

PDF

55.7 KB Created: 2021-06-08 19:30:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 9942f2aab9395ed386592599daab1af3 SHA-1: 070f1011dcfa55be850bcbd5fef35331e7b71378 SHA-256: d7cddd3f6b32c3ff8b41945b8d0fd70dfe157531783dc92d153452ef0ea1c57a
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 0.7005

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://chcial.ru/pbw?utm_term=death+race+game+apk PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4369165/normal_60177d9c20d20.pdfIn PDF document text
    • https://kimexigute.weebly.com/uploads/1/3/4/0/134017587/311a9ef2d5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4489992/normal_603df35a7be1f.pdfIn PDF document text
    • https://penatiwateli.weebly.com/uploads/1/3/4/6/134617533/muxokigo-delapi-zifuwigugixa.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4475872/normal_6007c765b923e.pdfIn PDF document text
    • https://goxutulolikum.weebly.com/uploads/1/3/0/8/130814421/kumotorarewudofimi.pdfIn PDF document text
    • https://ruzakemofa.weebly.com/uploads/1/3/4/7/134708924/bafiguzofuwa_giwasujubedubiw_sibagok_mesekidibakogo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368250/normal_603d70f6ca0a9.pdfIn PDF document text
    • https://vusowosunuk.weebly.com/uploads/1/3/5/9/135975823/lijaj.pdfIn PDF document text
    • https://pelosewedi.weebly.com/uploads/1/3/4/7/134753512/996f33325d24f.pdfIn PDF document text
    • http://dibotoge.pbworks.com/w/file/fetch/144839532/thuppakki_movie_images_download.pdfIn PDF document text
    • http://xigivesupi.pbworks.com/f/assistir_filme_completo_50_tons_de_liberdade_dublado_online_gratis.pdfIn PDF document text
    • http://buvulareka.pbworks.com/f/ringtones_telugu_music_download.pdfIn PDF document text
    • http://mefijunov.pbworks.com/f/download_film_comic_8_casino_king_full_movie_lk21.pdfIn PDF document text
    • http://jesababa.pbworks.com/w/file/fetch/144413535/velogogobovopulogoxabori.pdfIn PDF document text
    • http://barotidi.pbworks.com/f/34683738201.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7d83b99d-9b0e-440f-8279-85b375085da8/liximoj.pdfIn PDF document text
    • http://paderukut.pbworks.com/f/ncert_exemplar_class_12_mathematics_download.pdfIn PDF document text
    • http://mapijakemifo.pbworks.com/f/kurey_sresi_tefsiri_mumsema.pdfIn PDF document text
    • http://podixarutib.pbworks.com/w/file/fetch/144878352/14455294768.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8ae8f0ca-dd34-4b53-b7d6-68f6cac603ac/graco_nautilus_3_in_1_car_seat_cover_replacement.pdfIn PDF document text

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