Malicious PDF — malware analysis report

Static analysis result for SHA-256 419cf551cb57b00f…

MALICIOUS

PDF

64.0 KB Created: 2021-01-27 17:01:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: aff57533413daeffbf21c757a43e956c SHA-1: 8fee82a0c4920a2a972a193832b396294e499b4f SHA-256: 419cf551cb57b00f88bea0cb4f76b8bf9b3d0d2931b3cfb5791bc38ac4d78719
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to 'druttle.ru', which is likely part of a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the presence of embedded URLs and the overall detection suggest the document is designed to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9722

Heuristics 3

  • 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/123?utm_term=does+protein+powder+go+bad+if+left+open
    • https://cdn.sqhk.co/powirafawume/pZhfeOA/world_record_for_longest_sitting_basketball_shot.pdf
    • https://static.s123-cdn-static.com/uploads/4479222/normal_600067f16625d.pdf
    • https://cdn.sqhk.co/pafevola/agdghjc/52939129457.pdf
    • https://cdn.sqhk.co/kuzosexiwugu/gjiePVd/vifaxazovewagowedaniwefi.pdf
    • https://cdn.sqhk.co/sepufaziru/AmXLgd6/yelp_corporate_office_address_phone_number.pdf
    • https://static.s123-cdn-static.com/uploads/4421461/normal_5ffed13b22b67.pdf
    • https://static.s123-cdn-static.com/uploads/4499656/normal_6001ed8889fa0.pdf
    • https://static.s123-cdn-static.com/uploads/4417312/normal_5ff27e1690591.pdf
    • https://cdn.sqhk.co/febutatesu/haqjjhi/crafting_idle_clicker_layout.pdf
    • https://cdn.sqhk.co/gadewekunel/gcibihj/ww2_aircraft_pictures.pdf
    • https://cdn-cms.f-static.net/uploads/4444370/normal_5fd9dacd64611.pdf
    • https://static.s123-cdn-static.com/uploads/4473039/normal_5fde38ce8f7ad.pdf
    • https://static.s123-cdn-static.com/uploads/4410441/normal_5ff4a39361165.pdf
    • https://cdn.sqhk.co/sotisibu/gjridig/logo_quiz_level_7_answers.pdf
    • https://cdn.sqhk.co/vakenuda/uDhhkig/freedom_five_kickstarter.pdf
    • https://cdn.sqhk.co/wanukawuwota/dhcgcif/85964481032.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/warapagefasovi/bhoothnath_returns_song_ming.pdf
    • https://s3.amazonaws.com/nuxomigo/gebafujexebexukani.pdf
    • https://s3.amazonaws.com/gonasidupij/cbse_guidelines_for_class_10_social_science.pdf
    • https://s3.amazonaws.com/vifusupegiza/71600855693.pdf
    • https://s3.amazonaws.com/fosawef/dragon_ball_z_abridged_super_android_13.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e25c.bin
355a8575804950648af277fffc4e54565fe1220a7f8a2ffe7fa6da199342ecb1		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE25C 5440 bytes

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