Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e01a2cb026dc384…

MALICIOUS

PDF

49.6 KB Created: 2021-05-16 13:04:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: cd7ef7ac4ffa555b640bb3f66d0db523 SHA-1: 6dfcb542b7a97f5bf6a13e1450facbb6979d6a5b SHA-256: 6e01a2cb026dc3849f1631ecd13dc86e78c3a50a2725feb1a48d9877afde3c7f
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 0.7155

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://bologen.ru/strik?utm_term=how+do+i+pair+my+bluetooth+headphones+with+my+samsung+tv PDF link annotation
    • https://cdn.sqhk.co/fakineduxafe/hgiegiA/game_of_thrones_cast_season_5_episode_3.pdfIn PDF document text
    • http://wivevemeb.scienceontheweb.net/62176385772.pdfIn PDF document text
    • https://kuvixirizu.weebly.com/uploads/1/3/0/7/130739951/c67178d8bf.pdfIn PDF document text
    • http://zujewubowufonug.scienceontheweb.net/6436253718.pdfIn PDF document text
    • http://riwalimuj.scienceontheweb.net/xizubuluz.pdfIn PDF document text
    • http://tosezepokonone.iblogger.org/allen_online_test_series_for_neet_2020_syllabus.pdfIn PDF document text
    • https://cdn.sqhk.co/pixazizaze/je39khe/spray_tie_dye_kit_walmart.pdfIn PDF document text
    • https://suxegetolikas.weebly.com/uploads/1/3/4/0/134097713/9083051.pdfIn PDF document text
    • https://cdn.sqhk.co/xetorexevapi/hajf4ew/8107208905.pdfIn PDF document text
    • https://pozusope.weebly.com/uploads/1/3/1/4/131453674/5021813.pdfIn PDF document text
    • https://cdn.sqhk.co/dadakafopina/jghhhig/age_of_clash_of_clans.pdfIn PDF document text
    • http://sukuwodexi.scienceontheweb.net/alcoholismo_definicion_oms.pdfIn PDF document text
    • https://cdn.sqhk.co/peporewav/nighaje/live_youtube_subscriber_count_app.pdfIn PDF document text
    • http://bokugoso.22web.org/dakavufaxogef.pdfIn PDF document text
    • http://kodutizaga.mywebcommunity.org/90763419485.pdfIn PDF document text
    • https://s3.amazonaws.com/tokatefozude/dotimasowaxosira.pdfIn PDF document text
    • http://welalakewap.epizy.com/difference_between_normal_and_anomalous_zeeman_effect.pdfIn PDF document text
    • http://lumipanu.epizy.com/62826466280.pdfIn PDF document text
    • http://gukofeverozek.rf.gd/rililibesajevenav.pdfIn PDF document text
    • http://junulobexatini.rf.gd/19472935567.pdfIn PDF document text
    • https://s3.amazonaws.com/nuxomigo/a_voidable_contract_may_be_rescinded.pdfIn PDF document text
    • https://s3.amazonaws.com/midizaxopazeji/50122070014.pdfIn PDF document text