Malicious PDF — malware analysis report

Static analysis result for SHA-256 c0c0c7e668f6be45…

MALICIOUS

PDF

68.5 KB Created: 2020-11-18 05:44:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 7d8211293aae6615495bde07dea9f836 SHA-1: dc8b1ad113e294e916fed69a6416eb312d0fa6f9 SHA-256: c0c0c7e668f6be450ecbe05f2b7fdcbc09d341d271a3b6156a2eb61cd29c2852
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 0.9995

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=alabalanica+full+movie PDF link annotation
    • https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/1109957.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4378853/normal_5f904323be81a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417403/normal_5fa0d8198143b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4389571/normal_5fb2b0006883f.pdfIn PDF document text
    • https://velizixevapejaj.weebly.com/uploads/1/3/4/3/134376636/gupubarudonena-fixefixinalemu.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/napoledunadigo/e_business_models_examples.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ea0734d8-729d-4fe7-b634-07d2d726108f/gavixusepipixonufaru.pdfIn PDF document text
    • https://s3.amazonaws.com/donarepemi/timozijefategenava.pdfIn PDF document text
    • https://s3.amazonaws.com/xamapebonijos/pintame_angelitos_negro_poema.pdfIn PDF document text
    • https://s3.amazonaws.com/gulapore/teditudibe.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_off0000d141.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD141 4940 bytes
SHA-256: e7077dce0da37ae93195d560aa32b02bccfa578da32216f01cab2455eab18862
font_01_sfnt_off0000e20d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE20D 10348 bytes
SHA-256: 81dbea70b54c7731c2b03bc27dcff6b38cde78ec8f91ec47f7878eb4254de901

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