Malicious PDF — malware analysis report

Static analysis result for SHA-256 5338c4a5f1230cc4…

MALICIOUS

PDF

58.6 KB Created: 2021-03-04 01:29:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 4b0398f4f0f7250fb9130c73dc10b5a9 SHA-1: 0bebd6de934524b5b974ae55e6cf1a47d6da4532 SHA-256: 5338c4a5f1230cc453594da3b7d775d29e1267a1abb3cb95d1e5f189bc1058f6
94 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9120

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://kuzutuzo.ru/award?keyword=cricut+gypsy+won%2527t+turn+on PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4446166/normal_5fe7f0a8881f4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4380411/normal_60004a3a88e43.pdfIn PDF document text
    • http://fujigukatujewu.medianewsonline.com/forupitov.pdfIn PDF document text
    • http://jofipifemu.medianewsonline.com/the_tibetan_book_of_the_dead_full_movie.pdfIn PDF document text
    • http://ninudogexefeg.22web.org/mafukuxosujas.pdfIn PDF document text
    • http://viteroludobano.mypressonline.com/the_story_and_its_writer_10th_edition.pdfIn PDF document text
    • http://xenavowi.22web.org/nupipivugenokudi.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4394082/normal_600beea0b230b.pdfIn PDF document text
    • http://vimabanu.sportsontheweb.net/best_2_amp_usb_charger.pdfIn PDF document text
    • http://jozulizip.iblogger.org/damodaran_investment_valuation_3rd.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4389568/normal_600240cae2951.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4451954/normal_60007cced3a01.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4470687/normal_5fcb651e821a1.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/zarelusipofox/labubasulezoxepafigevobof.pdfIn PDF document text
    • http://pudolajuji.atwebpages.com/calligraphy_tutorial_for_beginners.pdfIn PDF document text
    • https://s3.amazonaws.com/vexeliku/kololivegidasudigopumorot.pdfIn PDF document text
    • https://s3.amazonaws.com/wazorixekunafob/pajugebagomufi.pdfIn PDF document text
    • https://s3.amazonaws.com/pavujiniz/criminal_addictive_thinking.pdfIn PDF document text
    • http://pawuzax.onlinewebshop.net/terry_goodkind_warheart_free.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ced0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCED0 4992 bytes
SHA-256: 9cfe2fa83c8e81b1bb53cfd2d0f4249af130f8fbe49308d76084a9e367b446f6

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