Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ca5c7183317bbb5…

MALICIOUS

PDF

70.1 KB Created: 2020-11-16 18:18:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 487ae244ea5dd3e5a040089e8c87d7a7 SHA-1: d9ba38e1a4f2e1ea76ce30c9ab29027d7e8de1f7 SHA-256: 0ca5c7183317bbb57fed4a63dff4ae6626c28c189499021a4db50f940fff3c80
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-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://traffset.ru/strik?utm_term=fundamentals+of+digital+logic+with+v PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4376611/normal_5f8bad8767d57.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366401/normal_5fa39a684444d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403684/normal_5f9eb10e5e67c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365636/normal_5f8b815d381f9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368979/normal_5fadace239f3b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4405925/normal_5faedc5e12053.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4490140/normal_5faf8804d7009.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393016/normal_5f90ec6b1fda1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4411915/normal_5fad7f2429104.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451221/normal_5fa071db9c51a.pdfIn PDF document text
    • http://fontawesome.iohttp://fontawesome.io/license/In 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/258e3c92-388f-449b-9cd2-7e0b6f40ae93/33778128069.pdfIn PDF document text
    • https://s3.amazonaws.com/tipikaxe/4572536313.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/13a58382-1414-4657-a11e-f62029430259/43257634290.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/89c7bb56-204f-452e-a1f1-46e269dea32a/pakuwaravoki.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dee28e5e-3bfc-445b-975a-b3232cf878d7/34018134999.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 4

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c889.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC889 2348 bytes
SHA-256: f415a7646bed1ba5ebb39ffa34572df85364d04c00c249aee5fbcf6f313e6431
font_01_sfnt_off0000d2eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD2EB 5444 bytes
SHA-256: 4711c7c5ae07e7b32cad3f5cbadd2a64061c250e210d0edafb21fbd5ac4437b0
font_02_sfnt_off0000e56d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE56D 11300 bytes
SHA-256: ad7dbb1ed315dda65ddabe1d4c3127ce42c54cfa2166e34238fae09717f3daaa

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