Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2bbe3fd123b4fd6…

MALICIOUS

PDF

74.0 KB Created: 2020-11-18 18:34:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27
MD5: bc33ee558830ba468b5858a18417f485 SHA-1: d1cff22c00ed9eedfff34fbd2f9969d1e7c366be SHA-256: e2bbe3fd123b4fd6f79fc82d97d52e368c4a00a02c05647600a720bcca3c970f
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a link to a known malicious redirector, which is likely intended to lead the user to download malware or engage in phishing. The embedded URL and the ClamAV detection strongly indicate malicious intent. The ML classifier also flagged this PDF with a very high probability.

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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://traffine.ru/strik?utm_term=raees+full+movie+hd+free+download In PDF document text
    • https://cdn-cms.f-static.net/uploads/4492875/normal_5fb2fdefd12a4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4422640/normal_5fa0622d2d2fc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367617/normal_5f907f516f06b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369138/normal_5f92c14197a7b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371261/normal_5f8e47e3d5a33.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380869/normal_5f9197cf49130.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388841/normal_5f915012589b0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380219/normal_5f9c45c17db80.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4447916/normal_5fb2dd2898a58.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4376606/normal_5fad66735614f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366344/normal_5f87cec6df9f1.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/nilititonawafim/elias_oraba_letra_y_acordes.pdfIn PDF document text
    • https://s3.amazonaws.com/jadudusujuje/9477479110.pdfIn PDF document text
    • https://s3.amazonaws.com/fenatagazise/6821150020.pdfIn PDF document text
    • https://s3.amazonaws.com/subud/gonatasefukokixi.pdfIn PDF document text
    • https://s3.amazonaws.com/donarepemi/66492941598.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d7f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD7F5 3120 bytes
SHA-256: 1ad02b79c7091a558633aca35b79c18c4801c8f97407e2d39b41a6bac3159f63
font_01_sfnt_off0000e328.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE328 5308 bytes
SHA-256: 7563a154913a5d7cf4d449aa1de412250f891a182896edc410ba5d14f9e420d1
font_02_sfnt_off0000f520.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF520 10780 bytes
SHA-256: 485453c21851e4de1f0705e9d017b762260f08da25746ed6d64bd546c1909c91

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