Malicious PDF — malware analysis report

Static analysis result for SHA-256 6dd446b46e8bf269…

MALICIOUS

PDF

60.9 KB Created: 2020-11-24 01:34:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 10d2c9cad802b01dc2027eb18941f252 SHA-1: 92f74971e1b143396b31e87ba4bc40142efc5d6a SHA-256: 6dd446b46e8bf26919db0527ca8e0de29eeddac2572a748049294d26cce52ae3
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 0.9996

Heuristics 4

  • 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
  • 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://trafffi.ru/strik?utm_term=rambo+3+ful+izle PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4365612/normal_5f870732e2a4b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387586/normal_5f92168beac4d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369916/normal_5f920afac2e81.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420747/normal_5f9be1e56c7b8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367299/normal_5fb93bcb0d0f1.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/bce2bc97-c6cf-4b54-98d7-515361f9c3c1/53082397130.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6b72745f-7f70-42ca-9856-357dce922ab2/wekupu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/040debe1-2a2b-4851-b2bd-01b42c080470/34752898907.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a74b2f69-4e5a-4fd9-aa5a-426690e27514/queen_of_shadows.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/386278ff-6d8a-4b9e-8392-05be24d1e949/datanavusadixixiter.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f81163b2-4a3d-4cda-af06-1b192a234d26/bolinevojegagipubazodex.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dbbbf9c4-d2b2-45ba-b12b-f8aac37727b6/what_number_is_after_a_billion.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_off0000b0be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB0BE 5000 bytes
SHA-256: 0d981fc22bbd0763f09019c8fdccc8c3349eaa7256c079702df6708c1a128e90
font_01_sfnt_off0000c1c5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC1C5 11404 bytes
SHA-256: bdc45bbc5f8ed1bd6cd379f993e3764e65bdf7bef91feb9974a91da9f6a4f801

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