Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ae2619cbeccefc8…

MALICIOUS

PDF

33.8 KB Created: 2020-11-03 10:43:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02
MD5: b60569844ecf7c438806b5a3ca906e7a SHA-1: df8d8351e1f0bf042c0a2f6a3a3608bae6e0971f SHA-256: 1ae2619cbeccefc8c1bef1b5ba601709738d464d4ee94c2932d25ce1e3551c53
94 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 an ML classifier. The file routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • 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://gettraff.ru/strik?keyword=minecraft+plastic+texture+pack+1.14+download In PDF document text
    • https://cdn-cms.f-static.net/uploads/4451376/normal_5f9fb9d2167d6.pdfIn PDF document text
    • https://jakemujilofadam.weebly.com/uploads/1/3/1/3/131380171/c7baaf961e7d4.pdfIn PDF document text
    • https://bilewazivabo.weebly.com/uploads/1/3/2/8/132816117/6334537.pdfIn PDF document text
    • https://vokozigaga.weebly.com/uploads/1/3/4/3/134316184/widupokemujag.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409257/normal_5f94903a55f23.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4452382/normal_5fa0ed95a0b1d.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/domegagowevag/jeffrey_kottler_on_being_a_therapist.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f5eccba1-e1c0-41c0-bd8e-78565bd08559/62956072689.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004513.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4513 5552 bytes
SHA-256: e8be4f7d3b33e12d3aa9723cc88bf8b74285625af7704b413c17ebcf7cd32b87
font_01_sfnt_off00005834.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5834 10044 bytes
SHA-256: 651de309f7a4e7de724923d5faf767468c99eeabbe0bc4fa9f4fdf1f33d04cd5

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