Malicious PDF — malware analysis report

Static analysis result for SHA-256 dc64935bee0df2fd…

MALICIOUS

PDF

67.6 KB Created: 2021-03-09 19:46:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 86fe3aa986aa2483334b7a73079a7deb SHA-1: 0fa96a7259998e7cb7eeda86caed3963822ab6fa SHA-256: dc64935bee0df2fd8347713fc8e2457c19a229d24310afc96f42cebe8be873c4
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution T1059.007 JavaScript

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 0.7937

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://botokaw.ru/aws?utm_term=black+hawk+down+soundtrack+vinyl PDF link annotation
    • http://giocodigital.space/browser_terbaik_untuk_streaming_android70rpa.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4423427/normal_601daa41e6979.pdfIn PDF document text
    • https://cdn.sqhk.co/julubesaf/hdZa9Qr/great_war_dogfight_literature.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4481400/normal_5fced92ceb5fe.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4377095/normal_5fdf11ae5ac02.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388424/normal_6020514d061a2.pdfIn PDF document text
    • http://deemonatrafik.xyz/lectura_comprensiva_con_preguntas_para_nios_de_quinto_grado3z0sn.pdfIn PDF document text
    • https://cdn.sqhk.co/sekigizakeku/KjiYhgO/kalasifosus.pdfIn PDF document text
    • http://joxopenizimili.iblogger.org/diarios_de_motocicleta_pelicula_completa_en_espaol.pdfIn PDF document text
    • http://kihepc.xyz/callaway_xr_driver_adjustment_guidet6vgq.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4454167/normal_5ff43524b8c42.pdfIn PDF document text
    • http://ourfutures.space/31017681593mb48g.pdfIn PDF document text
    • http://eurozone.pro/xbox_error_code_lookupmz13m.pdfIn PDF document text
    • https://cdn.sqhk.co/fezavomol/Sjb3gc0/renault_truck_racing_game_play_online.pdfIn PDF document text
    • http://kopawaruda.22web.org/billie_jean_guitar_tab.pdfIn PDF document text
    • https://cdn.sqhk.co/duwutawuna/hqiiAb1/racing_fever_apk_download_uptodown.pdfIn PDF document text
    • http://mmamba.ru/898060014732jdo1.pdfIn PDF document text
    • https://cdn.sqhk.co/zofizitene/ujgjcOC/55413188448.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4472503/normal_5ff0151b02d25.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://rojepubaxogo.epizy.com/bonivuzafikukin.pdfIn PDF document text
    • http://beruraxawiloga.rf.gd/best_mifi_modem_malaysia.pdfIn PDF document text
    • http://dofatolepe.epizy.com/botog.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f410.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF410 5392 bytes
SHA-256: 0937f40b51bb73da2e72c2aa5612bf93afedcbbed87f7c16ebc9724589d85522

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