Malicious PDF — malware analysis report

Static analysis result for SHA-256 83a6ec7338540424…

MALICIOUS

PDF

64.0 KB Created: 2021-03-19 02:33:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 24c61bafe2dc1a8fb1c0322efba83ab1 SHA-1: 75f75fec1d0d0b4ee9974c5c4d66ec2a6ab37a70 SHA-256: 83a6ec7338540424b2c098a1c97b799e244656115cc854a9010b5ccb4c47a2dc
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as a phishing lure due to its structure, containing mostly image data and a single clickable action. The embedded URI points to a suspicious domain, likely intended to host a phishing page or download further malware. The ClamAV detection and ML classifier further support its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5247

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 64 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://xajibur.ru/award?keyword=jurnal+blighted+ovum+pdf
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    • http://show-visitor.xyz/39634766380d9cfz.pdf
    • http://ketousa.site/laser_quest_woodbridge_closingb4kc1.pdf
    • http://gatorama.fun/codigo_ascii_letras_mayusculas_con_acentovhvb0.pdf
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    • http://zugobopepoj.sportsontheweb.net/confidence_power_plus_treadmill_pink.pdf
    • https://cdn.sqhk.co/lasukojizix/bhcdwja/gabikuzede.pdf
    • http://lezobul.medianewsonline.com/chemistry_notes_for_class_11_free_download_in_english.pdf
    • https://cdn.sqhk.co/budafitanu/ijbXzvE/8003449718.pdf
    • http://x-bionic.shop/verbos_regulares_e_irregulares_en_pasado_en_ingles_ejercicios8nnof.pdf
    • http://bopiguxa.atwebpages.com/what_is_an_epithet_in_beowulf.pdf
    • https://s3.amazonaws.com/lorifumofelu/list_of_programming_languages_in_computer_science.pdf
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    • https://s3.amazonaws.com/zalomi/good_adjectives_to_describe_a_forest.pdf
    • https://s3.amazonaws.com/desekusoxi/vetopubogopodowaxar.pdf
    • http://tefetuzuzip.myartsonline.com/78196553504.pdf
    • https://s3.amazonaws.com/fezenur/zibofamoxiso.pdf
    • https://s3.amazonaws.com/pilazi/coleman_battery_guard_lantern_800.pdf
    • https://s3.amazonaws.com/nopomewegobij/7817270443.pdf
    • https://s3.amazonaws.com/gotitibekovi/fender_hot_rod_deluxe_112_enclosure_lacquered_tweed.pdf

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