Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec584d0e073ee6a1…

MALICIOUS

PDF

94.4 KB Created: 2021-03-03 13:27:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 2717fbd13b1cfb03da0c0e175812ddaf SHA-1: 06bb36068f42bb51219c9ff0d65637515d76fa0e SHA-256: ec584d0e073ee6a1f5b8706932fae6479144284fd78c3c2ca29f954f71af9be6
96 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 0.9998

Heuristics 4

  • 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
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://baarspo.ru/strik?utm_term=are+the+seven+demigods+in+the+trials+of+apollo PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4465559/normal_60072b35f2678.pdfIn PDF document text
    • https://cdn.sqhk.co/tupulezi/jdijgjX/candy_crush_jelly_saga_cheats.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4368760/normal_5ffadb3448553.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4501991/normal_5fd71bbb2775d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4467576/normal_5fec5b67bf3a1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373517/normal_60130768d5bf0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4407087/normal_60392836b5ccc.pdfIn PDF document text
    • https://cdn.sqhk.co/purizepore/30Xdg3d/bovafuwajowubuweki.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4428062/normal_6038e3eec3d93.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4489596/normal_5fd60bf25eee0.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4383467/normal_5fe4f0f10f8fa.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4452609/normal_6003266786f95.pdfIn PDF document text
    • https://cdn.sqhk.co/zojixemem/0idjfij/79854613954.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://dukedofabi.epizy.com/fesevudawo.pdfIn PDF document text
    • http://pizovusa.rf.gd/bissell_proheat_cleanshot_2x_manual.pdfIn PDF document text
    • http://zolasot.rf.gd/28015905310.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In 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_off000134f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x134F3 5504 bytes
SHA-256: 2c411e42673ca0228fef537aeb4b9842ad31f0485b24fe95db92d8435021e750
font_01_sfnt_off0001478c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1478C 10784 bytes
SHA-256: 2875ea8fb4784d9faee5f4b55c00e2ecb93d2bd1e5e07180781ff1d6c4e8a8fe

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