Malicious PDF — malware analysis report

Static analysis result for SHA-256 32e17b2a46de6b61…

MALICIOUS

PDF

66.0 KB Created: 2020-11-16 23:43:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02
MD5: 468edfc5d9b829ff7749c50a54b921ad SHA-1: 5bde5f186d712a039ff4147de23eedca796853bf SHA-256: 32e17b2a46de6b6146c77dd89434b9e5149b1ae3ef8f919437c41a40fc7c6cc4
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://trafftec.ru/strik?utm_term=manual+de+access+2013+pdf PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4452386/normal_5f9f6408a2839.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373770/normal_5f9a78cd5f325.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370530/normal_5f8ede7f4bcec.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4386337/normal_5f93f4c2cd25d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4449000/normal_5fababb3d2f66.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4472213/normal_5fa9b79849a02.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416940/normal_5f9cbf19a9755.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4402940/normal_5fa06dde7e86f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4467912/normal_5fa7642222120.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4378856/normal_5f9847e843091.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4427795/normal_5f9be48f91fdf.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/fe4b1b5f-2b66-452f-af81-c5bd987c26a9/how_to_delete_your_pokemon_omega_ruby_save_file.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c5735e8e-deba-4c2f-9f62-065f274a615d/zibosodopamaxomako.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0aab037e-7b70-45c5-96fb-4d20f28a43ce/62208355888.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_off0000c492.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC492 5548 bytes
SHA-256: 58b985fa282733b361fc18d2751ad4fa93b54db7d25405c0db973615c9d68e1c
font_01_sfnt_off0000d79c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD79C 10248 bytes
SHA-256: 5a9bb7645090bad61edb662326331f61b4ac180f9e50bbdc4183567c83017c9d

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