Malicious PDF — malware analysis report

Static analysis result for SHA-256 cdae704ef76e19cf…

MALICIOUS

PDF

52.6 KB Created: 2021-03-10 09:11:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 23b8223c87ec77c57d3a7bdfc9a504c5 SHA-1: 067a8c1bd51fb97278187b449e96494c509ddd3e SHA-256: cdae704ef76e19cf0756ce4caa48bcbf866c24299356d2662f7daa10c17674c5
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 0.7339

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://jacksth.ru/aws?utm_term=bissell+proheat+2x+pet+carpet+cleaner+troubleshooting PDF link annotation
    • http://terem.space/adjudication_processf14m2.pdfIn PDF document text
    • https://cdn.sqhk.co/bulegumu/HjiGhdP/83277624200.pdfIn PDF document text
    • http://sallely.xyz/finutepusipumuwejuniqyt.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4405895/normal_5ff9f4b6ac43d.pdfIn PDF document text
    • https://cdn.sqhk.co/livefivepa/hc8DjdD/88097433071.pdfIn PDF document text
    • https://cdn.sqhk.co/pigevikuwi/dB55BTU/fire_balls_3d_best_games.pdfIn PDF document text
    • https://cdn.sqhk.co/lilavokolet/IBhfhjQ/ruzeka.pdfIn PDF document text
    • http://chempion.coffee/17210496569mqptg.pdfIn PDF document text
    • http://andyhongdigital.com/barfi_movie_all_song_ringtoneudqvw.pdfIn PDF document text
    • http://mklhhhh.space/engineering_design_reportedgi4.pdfIn PDF document text
    • https://cdn.sqhk.co/muligumixe/hjhgqIL/fizemekunafonekifofirofap.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4461767/normal_5fde886a1e41d.pdfIn PDF document text
    • http://watertea.space/navajesobedaghd531.pdfIn PDF document text
    • http://golosa-spasibo.ru/minecraft_hexxit_mod_indirfsfuj.pdfIn PDF document text
    • https://cdn.sqhk.co/gotakavapu/8nRFPA7/kpop_ranking_popularity_2019.pdfIn PDF document text
    • https://cdn.sqhk.co/letaziseb/hbgeibQ/huey_helicopter_scale_model.pdfIn PDF document text
    • https://cdn.sqhk.co/tibidatoxo/7rkhehj/64914375734.pdfIn PDF document text
    • http://barcaporirternet-interbank-pe.com/forklift_certification_card_template_wordaieel.pdfIn PDF document text
    • https://cdn.sqhk.co/ninuxoti/OoqAih1/spirited_away_dragon_haku.pdfIn PDF document text
    • https://cdn.sqhk.co/xevuvuxene/RbgfFN7/pobegipesifiduribisapepa.pdfIn PDF document text

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