Malicious PDF — malware analysis report

Static analysis result for SHA-256 fbc59a3d5c08c927…

MALICIOUS

PDF

89.5 KB Created: 2021-04-18 07:52:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9829e4cb5d6ca6ff49c2518faa0a484e SHA-1: aadd1c72750a401f8340b869292d56d1bd153a87 SHA-256: fbc59a3d5c08c927daac4a0b759612d1e95865abda2a21ef9d6198be4c4be474
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was flagged by multiple heuristics, including a critical detection for being a link farm and a machine learning model indicating maliciousness. It contains numerous external URLs, with one prominent URL pointing to a potentially malicious domain. The presence of embedded URLs and the PDF's structure suggest it's designed to redirect users to external content, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9264

Heuristics 4

  • 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.
  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://druttle.ru/strik?utm_term=snow+white+princess+story+in+telugu
    • https://cdn.sqhk.co/xoxujakosepa/I0iegj3/24764613287.pdf
    • http://tublitalia.space/el_diario_de_greg_pelicula_completa_subtituladascp8s.pdf
    • https://cdn.sqhk.co/jojikoxazew/jiUhchg/dogfight_1942_xbox_360_freeboot.pdf
    • http://4kuhd.me/burger_king_grilled_chicken_sandwich_nutrition_factsuu5wd.pdf
    • https://cdn.sqhk.co/bujasugawo/ea3hiKV/girl_next_door_netflix.pdf
    • https://cdn.sqhk.co/benibavagoge/Ygfgh7d/35787982056.pdf
    • http://voirly.xyz/dyson_ball_vacuum_toy_vacuum_with_working_suctionc6abq.pdf
    • https://cdn.sqhk.co/busunava/hh3hfgj/dosorikapoxolibexatab.pdf
    • https://uploads.strikinglycdn.com/files/591034e4-7d8f-4bbe-ab35-d62c34175630/14978219730.pdf
    • https://s3.amazonaws.com/tutapaxi/red_cross_emr_test_answers.pdf
    • https://uploads.strikinglycdn.com/files/b85938f9-fd00-4a3a-bf80-dd9a1a229fb3/la_biblia_hablada_en_espaol_completa_pelicula.pdf
    • https://6478d21b-237c-41b5-add8-96d7b9819624.filesusr.com/ugd/c7ef1a_922ef10b14b04716b31a70df1559bfe3.pdf?index=true
    • https://s3.amazonaws.com/nezanurugega/82943446520.pdf
    • https://s3.amazonaws.com/xotomisen/68745418012.pdf
    • https://uploads.strikinglycdn.com/files/7d94bb95-baf8-445b-82e9-cf96a2ab8820/gegutor.pdf
    • https://973697ad-ffa4-4f9d-85cd-0c9d1ea039ee.filesusr.com/ugd/5f5755_555a57e5f9d347078ba99192aea634d4.pdf?index=true
    • https://uploads.strikinglycdn.com/files/49429fc3-66f4-4712-8b57-6ecf56391243/52507245638.pdf
    • https://s3.amazonaws.com/rodigapigeta/37434978088.pdf
    • https://05e27880-d5e1-4d3d-8428-ba943e9300bc.filesusr.com/ugd/b56239_d851bdfb71b04f5ba8a6d9fecbb4cecf.pdf?index=true
    • https://s3.amazonaws.com/mujesogi/34935157583.pdf
    • https://uploads.strikinglycdn.com/files/35680455-c0e3-4761-81ee-7b667ad40e60/daputowupipakefoxezonesum.pdf
    • https://uploads.strikinglycdn.com/files/7d6a86f7-d76d-4cce-98b0-42397d68c925/a_random_walk_down_wall_street_12th_edition_the_time_tested_strategy_for_successful_investing.pdf

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