Malicious PDF — malware analysis report

Static analysis result for SHA-256 30fce092fed1049c…

MALICIOUS

PDF

88.3 KB Created: 2020-12-15 05:02:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: c3d8a2ed9efcced25759573490fb1d94 SHA-1: 7053596e7a53bd76373a30bc3e9fddfb96d4e92f SHA-256: 30fce092fed1049cd922d67b66d4d0ba8f99ae858cf1f001e2c8cbd83c772eff
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 0.9997

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://traffnew.ru/123?utm_term=examples+of+analog+control+systems PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4487381/normal_5fc6f1cc7eaa5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368970/normal_5fa9b7368a9fd.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4488332/normal_5fd0500d8c7b7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446915/normal_5fa08336328a8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4491432/normal_5faee3fe28914.pdfIn PDF document text
    • https://bilewazivabo.weebly.com/uploads/1/3/2/8/132816117/rerewiraxuti.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://static1.squarespace.com/static/5fbfe895e5c7695ca99606f9/t/5fc24617bc819f1cf4233e45/1606567448423/peripheral_route_persuasion_mcat.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f01418da-0af3-4a5a-8d05-5703b1495217/1970_boy_scout_handbook.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c933febb-13e7-43c6-b06f-995849268fbc/59271990702.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9f58fede-1a72-4bab-b4ea-749d72c24bda/17168579319.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9d56edad-5beb-474a-9019-5b0839b74be2/jekowezukavo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f6ef654a-25d6-4e7a-b557-172f86665a4b/fijomelipalafutugunaratup.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/25b75528-b6c0-4173-b576-6370cf54a328/burn_james_patterson.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00011ef7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11EF7 5460 bytes
SHA-256: 995f78569e67c76f930cc69e16f457ea7d5a0280bc9284b2b7500df5e5d88bc5
font_01_sfnt_off00013189.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13189 10516 bytes
SHA-256: dde0227624fffc2e7a61156ed873caf8d1fc3add00dbb001a176541051b294aa

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