Malicious PDF — malware analysis report

Static analysis result for SHA-256 cecfa826e907900f…

MALICIOUS

PDF

76.2 KB Created: 2021-04-05 00:27:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-07
MD5: 7a6c1f35aa5b6e3ab9ae5424769e0907 SHA-1: 1a75c438ebdfec0f2dc25ea57131a71589b6518c SHA-256: cecfa826e907900fae74bea0fb5656828ec1aee761d6d5205261100ba3ad3d70
94 Risk Score

Malware Insights

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

The PDF file contains an embedded URI pointing to a suspicious domain, which is likely part of a phishing or malware distribution scheme. The ClamAV detection and ML classifier further indicate malicious intent. The document body, though heavily obfuscated, suggests a lure related to a video game guide, aligning with common social engineering tactics.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6356

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://leonvi.ru/wix?keyword=pokemon+ultra+sun+and+moon+official+guide PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4404116/normal_6041b1e7b472b.pdfIn PDF document text
    • https://cdn.sqhk.co/ladesajisama/i52egfW/konamuribofiderumafogotid.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4367905/normal_5fe08090b6695.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369343/normal_5fc94a981e73a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4464327/normal_6042bd484bf21.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4496812/normal_60528202a412d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446388/normal_60275b5d57caa.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408343/normal_601dca466f8b8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471948/normal_5fdbc128aeee2.pdfIn PDF document text
    • https://cdn.sqhk.co/mixaluwekitu/Ho8ifgf/our_lady_of_victory_church_las_vegas.pdfIn PDF document text
    • https://cdn.sqhk.co/fiporalisu/ghicyid/free_stuff_on_amazon.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4463279/normal_601393e1c313a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4465537/normal_605b1c2bd6101.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4461497/normal_601d2cbd1ff9d.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/ea2cf708-27e4-4f38-a8ec-f558da782848/wetusakegizet.pdfIn PDF document text
    • https://s3.amazonaws.com/dibedamoka/how_to_make_money_flipping_houses_australia.pdfIn PDF document text
    • https://s3.amazonaws.com/xomepixo/cambridge_igcse_business_studies_textbook.pdfIn PDF document text
    • https://s3.amazonaws.com/jewizopukuni/birthday_reminder_app_for_android_free.pdfIn PDF document text
    • https://s3.amazonaws.com/kibavutibeved/wavisotawofidobivokoru.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0ca7ea0a-68f8-48bd-a497-ce9b761b5c5b/guferar.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c7a8d0bf-83f4-4649-8911-090b2ec792cf/lubivogomepu.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f4ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF4CE 5408 bytes
SHA-256: 8852daa3340e9c53c80c64a465cece0eb9845be80ab85ada3c6906794e75bd6e
font_01_sfnt_off0001071d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1071D 11036 bytes
SHA-256: 7b40f0a1c884011ce648b1668fdbf1cf6187a275f38752f793a4c9342665e007