Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a2314f5913e4776…

MALICIOUS

PDF

78.3 KB Created: 2020-12-18 04:17:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 8a81e711ede2e08a27a85a4e1c7a1eb5 SHA-1: 90119a597ae240340a8b4666c198998138989915 SHA-256: 6a2314f5913e47760bec81d6054e5fa75cc981194d6180c8ca2c4ddcbd43518c
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/aws?utm_term=axa+distribution+fund+performance PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4368970/normal_5f9f12faa14b1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383924/normal_5fdbdf3f7a27c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366625/normal_5fb8e9f768e2a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4477183/normal_5fa8aca133a40.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/64a49f27-d924-460f-a6e7-26741ee00321/kafifuvoma.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c866891a-1d47-4fac-b504-d80092995879/gifuzoselemetajufodo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/32dcf055-b1a6-42ad-b48f-7d8fc76a2311/ver_la_madrastra_capitulo_117_dos.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/639b81b1-b6eb-44ea-a3e5-8d2df2f9789d/xalujonamebem.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8dbbe18c-9abf-4d4d-87e6-28c316214e7b/xasubazodiruji.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f0d59bf9-8394-4343-aa9c-74c6faf53bb3/xuvozuzigijilopikuxuvunoj.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/abe66176-98f9-4a18-af6d-22e06047e7df/73019137664.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/df8842f8-2968-4296-a326-4eea9c8fa80a/maxumezisigawu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/730704e7-bbeb-4f70-ada5-cf8d5250eea9/dna_the_double_helix_coloring_answer_key.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4f68d3ef-1948-499c-a714-badff3b017da/tonusogojuxo.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_off0000f475.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF475 5468 bytes
SHA-256: 7ba7f6b232f41830336989a3a653a9360523b403d2a1bf2b9c186cc33831cd35
font_01_sfnt_off000106f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x106F9 10904 bytes
SHA-256: 1116d7b08e42eed49e949da6199c1408892f53af877df483767f8a9fcff7c212

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