Malicious PDF — malware analysis report

Static analysis result for SHA-256 682a03f776d37a7b…

MALICIOUS

PDF

66.6 KB Created: 2020-12-27 09:00:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02
MD5: a09dcb123efc47461d1ead893529c3e8 SHA-1: 9217d91930f5ee3bce8a86993aaa050bce0bc5d9 SHA-256: 682a03f776d37a7bf8de4c6c7ae17550c0f1e13d2edc0f8250462f13fc561ead
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/aws?utm_term=char+broil+big+easy+smoker+instructions+manual PDF link annotation
    • https://cdn.sqhk.co/baxemazisod/geYMbdo/tisepixisuruxigolipebugol.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365657/normal_5fa9dc78d08c3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375199/normal_5fa5ad65b6799.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4482216/normal_5fd69c0a91cc9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454691/normal_5fb8d07d48dda.pdfIn PDF document text
    • https://cdn.sqhk.co/mofosalamo/AgfWToR/62787570617.pdfIn PDF document text
    • https://cdn.sqhk.co/rosafipex/ibhdPha/princess_mary_marriage_in_trouble.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4446931/normal_5fc4f732336a6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365580/normal_5fd659f2b0216.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4385026/normal_5f9165ae631c6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381104/normal_5f9254f2913a5.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4419822/normal_5fc8c88cc1d0e.pdfIn 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/b7c4f8ef-650a-4f2a-9c96-e78929ee32f4/zulolisagelinajeturogulov.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
    • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
    • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000bb90.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBB90 5424 bytes
SHA-256: 9bab1a1803d092d04f9f8ed2cc8c3d5d6e7a9dfbf1285d03774245bf9792248a
font_01_sfnt_off0000cdde.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCDDE 3720 bytes
SHA-256: d5ecec3e822993868ba70e247019bcdb656a9fee58d620eb93bc70658e929280
font_02_sfnt_off0000d941.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD941 10672 bytes
SHA-256: 81b5552474ba89faae5fabcd8179457e68daf3392f13f1e3e6bdec3848c4dd69

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