Malicious PDF — malware analysis report

Static analysis result for SHA-256 164ba653dd8c880a…

MALICIOUS

PDF

50.6 KB Created: 2021-02-08 17:38:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 19b0f2c27a0d0ed7a0ba329eafa56b43 SHA-1: afa582bc834ca2349942e273c0ea325d74a09d82 SHA-256: 164ba653dd8c880aa999e6c914a60ceac7003b94fe8240f860abba554abd2ef9
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

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 0.7183

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 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.
  • 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://seumenha.ru/aws?utm_term=calling+all+angels+jane+siberry+sheet+music PDF link annotation
    • https://pudisemibupar.weebly.com/uploads/1/3/4/0/134096773/44dcbbf448.pdfIn PDF document text
    • http://mail-autoscout24.net/63512063434g1fqb.pdfIn PDF document text
    • https://balesiloruj.weebly.com/uploads/1/3/4/6/134671801/koregesajasukewa.pdfIn PDF document text
    • https://cdn.sqhk.co/wibononuve/yAYjgih/cardboard_sheets_home_depot.pdfIn PDF document text
    • https://cdn.sqhk.co/xakatikakizi/TzXAheg/wink_news_naples_weather.pdfIn PDF document text
    • https://cdn.sqhk.co/lukedivibeb/Hjiignr/airtel_direct_data_recharge_code.pdfIn PDF document text
    • http://covid-19online.site/luxor_deluxe_real_lifej9bik.pdfIn PDF document text
    • https://cdn.sqhk.co/zerurukoraju/hha44he/filivopa.pdfIn PDF document text
    • https://cdn.sqhk.co/vonezositixi/h0jhihk/80123193051.pdfIn PDF document text
    • https://cdn.sqhk.co/nebafori/FVAjeag/77756191528.pdfIn PDF document text
    • http://vnds-super.space/xorobc8n5g.pdfIn PDF document text
    • https://kafolegilu.weebly.com/uploads/1/3/2/3/132303068/kiwavavet-zepipolonipow-puduxopavox-rekizujovikopib.pdfIn PDF document text
    • https://cdn.sqhk.co/kugefiruxat/q9mgcVH/lavimarosixuwederatesuj.pdfIn PDF document text
    • https://cdn.sqhk.co/nibedogoxov/iigVjfE/barbecue_sauce_for_chicken_legs.pdfIn PDF document text
    • https://cdn.sqhk.co/dixufeja/jjrXhaG/guess_the_tiktok_song_2020.pdfIn PDF document text
    • https://cdn.sqhk.co/zowonefaso/hbOiiBW/33019840638.pdfIn PDF document text

Related samples 7

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

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