Malicious PDF — malware analysis report

Static analysis result for SHA-256 53bc38af2dbd6e39…

MALICIOUS

PDF

42.1 KB Created: 2021-03-10 10:12:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7403a366b3dd208cb3df81e1a65e6038 SHA-1: 75aa0bedcc527b1d7eaf3d80dfdaf7141548ec69 SHA-256: 53bc38af2dbd6e392b12b47bf9ed3b14a248ab7c5c81e520310ba23b19bd2fba
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as a phishing lure due to its image-only nature and embedded clickable link. The ML classifier and ClamAV detection strongly indicate malicious intent. The primary URL, https://jottigo.ru/award?keyword=anaximander+philosophy+pdf, is likely the destination for the phishing attempt or malware download.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8137

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 42 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://jottigo.ru/award?keyword=anaximander+philosophy+pdf
    • http://jakesubinosol.scienceontheweb.net/git_commands_for_windows_with_examples.pdf
    • https://cdn-cms.f-static.net/uploads/4408180/normal_601d69028f616.pdf
    • https://cdn.sqhk.co/tokokoxisuf/D4Bjhjg/fipuxedavima.pdf
    • https://cdn-cms.f-static.net/uploads/4393644/normal_6047121e0cf80.pdf
    • http://gugezebaz.mygamesonline.org/catechism_of_the_catholic_church_second_edition.pdf
    • https://cdn.sqhk.co/definuseju/hhDBugj/reversi_free_master_game_the_othello_masterpiece.pdf
    • https://cdn.sqhk.co/sovokeduseb/Nstoyic/43785431159.pdf
    • https://cdn.sqhk.co/wujakegu/Chgbij1/74824150937.pdf
    • http://bewewafip.scienceontheweb.net/89674724068.pdf
    • https://cdn-cms.f-static.net/uploads/4425515/normal_6010c4b65aa78.pdf
    • https://static.s123-cdn-static.com/uploads/4487622/normal_5fe03c837133a.pdf
    • https://cdn.sqhk.co/dofewijoras/cY74gjk/plants_vs_zombies_garden_warfare_2_gameplay_multiplayer.pdf
    • https://static.s123-cdn-static.com/uploads/4403130/normal_6004f84a26361.pdf
    • https://cdn.sqhk.co/devisofage/aggiaUf/tarala.pdf
    • https://static.s123-cdn-static.com/uploads/4422918/normal_60029a3554450.pdf
    • https://cdn-cms.f-static.net/uploads/4480732/normal_6031dbc4284fa.pdf
    • https://cdn.sqhk.co/lafixafif/iidgcj0/30316080949.pdf
    • https://uploads.strikinglycdn.com/files/cace1344-5ed1-43ba-82cc-d5eaf34450a6/46725086710.pdf
    • http://nakeviw.myartsonline.com/batch_file_syntax_windows_10.pdf

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