Malicious PDF — malware analysis report

Static analysis result for SHA-256 50d303edb16ae62a…

MALICIOUS

PDF

70.3 KB Created: 2020-11-10 07:55:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: abeeb9b044e6e01c03f25c044184bb29 SHA-1: 1045ded15e4f8cb794f006d081b4d9c080bb1a24 SHA-256: 50d303edb16ae62ab18028ec48412eabe678e4d6867c42832bb671854296c7f5
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 0.9971

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://trafftec.ru/aws?keyword=pathos+ethos+logos+brochure PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4393020/normal_5f948ebb681c1.pdfIn PDF document text
    • https://davugunibelerab.weebly.com/uploads/1/3/4/6/134612729/6656f37ba6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375070/normal_5f8f676a8c440.pdfIn PDF document text
    • https://gefivepuli.weebly.com/uploads/1/3/4/6/134620723/jokomewolub.pdfIn PDF document text
    • https://laregupofonel.weebly.com/uploads/1/3/4/4/134464195/4509784.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4405430/normal_5f941a8695e93.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/gofiguj/latest_beyblade_burst_app_apk.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2c96617b-15a3-421f-a352-712279141a63/59433113453.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b28fd066-b64f-4a65-842d-d6783cfa2c2b/12238889184.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_off0000d2f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD2F6 5204 bytes
SHA-256: 6384b79b15884a556b5acb4962039e55db12af190e79c09ceba946ce58628ff1
font_01_sfnt_off0000e49e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE49E 12012 bytes
SHA-256: c409800f368a3055ef94ccb0c03138c5acdc8cb9f3b65d7f7e26e0511b1953bd

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