Malicious PDF — malware analysis report

Static analysis result for SHA-256 f7193af0f2da43ef…

MALICIOUS

PDF

46.2 KB Created: 2021-03-28 02:59:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 1706ceaa552af4631269e621870b588c SHA-1: 945662451aeeea9c74d454eaf55793bddfce2dd7 SHA-256: f7193af0f2da43ef07186b6ed760b27c391628779ff31686b11a0a01f6e5f53d
124 Risk Score

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 0.7448

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://baarspo.ru/award?keyword=telugu+bajana+patalu+pdf+download PDF link annotation
    • http://life50it.pro/millennium_950_keypad_manualdnblr.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4377125/normal_5fc8c46a80183.pdfIn PDF document text
    • https://cdn.sqhk.co/bidekidarub/PicPRgc/xibugabujofesekuwowupeva.pdfIn PDF document text
    • https://cdn.sqhk.co/masunidupag/iapgiid/70760160085.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465392/normal_600713cbd0866.pdfIn PDF document text
    • https://cdn.sqhk.co/zonurubo/gh8Jgcg/jemid.pdfIn PDF document text
    • http://de-bewertung-id2842384.icu/kekasih_idaman_ost_ajari_aku_islamwrwz2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446642/normal_6056772718098.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387711/normal_5fd676998ad7a.pdfIn PDF document text
    • http://nuveclovet.xyz/7096177048535opf.pdfIn PDF document text
    • https://cdn.sqhk.co/desogepupema/ih0gjic/20628249399.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4472501/normal_603263ce01486.pdfIn PDF document text
    • https://0306adf0-382e-42f1-903d-71c3961c97f1.filesusr.com/ugd/7ff653_df7b377dccc44069ac6ba3f51feb1a5a.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/sevoga/xegogejumoludazafi.pdfIn PDF document text
    • https://734e8db3-b9db-457c-abaa-08c06218e7ae.filesusr.com/ugd/f6bb82_e2ab64fba5f641d3ad36b550d0e1a921.pdf?index=trueIn PDF document text
    • https://156bb51f-0b62-477f-88ca-8620af00812b.filesusr.com/ugd/e3ff21_a8dd2d0686e94a43b0bad5a1dd89fba5.pdf?index=trueIn PDF document text
    • https://d9226533-59f4-4737-ae77-cfa9cdee5378.filesusr.com/ugd/d7c203_cf739d3f7ccb403ab4858104c15ac471.pdf?index=trueIn PDF document text
    • https://40e214c1-1950-44e8-a195-e2c6eeb23253.filesusr.com/ugd/a517f4_44db5089cbf34ceebd06948dc4037d99.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/xarojapi/how_to_play_the_game_of_life_junior.pdfIn PDF document text
    • https://s3.amazonaws.com/fajujiju/22824953921.pdfIn PDF document text