Malicious PDF — malware analysis report

Static analysis result for SHA-256 1426e52ec59e1eb7…

MALICIOUS

PDF

70.9 KB Created: 2021-03-15 02:52:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 59b414ca51d56fe82e4d91e6751c104b SHA-1: 01c495302a48ef2b4cbff496e8f05995ec0191c9 SHA-256: 1426e52ec59e1eb7a068f2e2301eb1bdda40e49053849977eb168aa678d4ff91
94 Risk Score

Malware Insights

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

The PDF file contains an embedded URI that directs users to a suspicious domain, likely for phishing or malware distribution. ClamAV detection and ML classification confirm its malicious nature. The document body, though heavily obfuscated, appears to be a lure related to a book title, suggesting a spearphishing attachment attack vector.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7004

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://vilenefex.ru/award?keyword=midnight+cowboy+james+leo+herlihy+pdf
    • http://rasazajafatirek.mypressonline.com/kevusuvav.pdf
    • https://cdn.sqhk.co/mafokesaxuvi/gjgHwRA/24474706999.pdf
    • https://static.s123-cdn-static.com/uploads/4413240/normal_60090d2da8c14.pdf
    • http://boomerangoo.site/bubble_shooter_level_gamecw9ic.pdf
    • https://static.s123-cdn-static.com/uploads/4422638/normal_5ff0ab7642c6e.pdf
    • https://cdn.sqhk.co/nojebimit/ji6hcKT/zombieland_saga_saki.pdf
    • http://mebets.xyz/fununelajvyr4d.pdf
    • https://cdn-cms.f-static.net/uploads/4368497/normal_600c9d83e7e9a.pdf
    • https://static.s123-cdn-static.com/uploads/4420030/normal_5fd09caf44dd7.pdf
    • http://hookup157.fun/sirukasizoras1w9wk.pdf
    • https://cdn.sqhk.co/foxenikap/pjdzijX/moon_patrol_arcade_art.pdf
    • https://cdn.sqhk.co/kiraxozi/4Vhfgdm/meban.pdf
    • https://static.s123-cdn-static.com/uploads/4379230/normal_5ff95de191857.pdf
    • https://kilifunilazavef.weebly.com/uploads/1/3/4/4/134481566/fupusokuzunosa.pdf
    • https://cdn-cms.f-static.net/uploads/4447278/normal_604ac6be7097e.pdf
    • https://cdn-cms.f-static.net/uploads/4494874/normal_5fd8cfc153d53.pdf
    • https://zatiwakap.weebly.com/uploads/1/3/1/8/131871625/voselup.pdf
    • http://vexetifiridik.mypressonline.com/how_to_analyse_a_graph_in_english.pdf
    • http://lnstagramsupportlives.com/808700242085s9c7.pdf
    • https://cdn.sqhk.co/sugutomipu/hhdAYxq/wubopolusibiz.pdf
    • http://modernstyle.pro/49769705192jtu4a.pdf
    • https://sugasukeni.weebly.com/uploads/1/3/4/8/134878852/soxob.pdf
    • https://cdn-cms.f-static.net/uploads/4460477/normal_602e4b368a89d.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000eb22.bin
d02387d2b3702b6daf0dcef76f5056ce7d43e5350eafa630affcd831c04b486e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEB22 5984 bytes

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