Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e00c0d122aa7085…

MALICIOUS

PDF

70.5 KB Created: 2020-12-26 19:11:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 0194ddc75dbbf9596c1b7698599e6580 SHA-1: 2574c53d113555819a0af56a691c78a486d9c927 SHA-256: 3e00c0d122aa7085c8d1493745e18fbba142c79229fc6487f343762177919826
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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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=gardner+edgerton+school+district+jobs PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4452398/normal_5fcea4f83ef57.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368971/normal_5f93178420fe7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365549/normal_5f875ba4950d5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4425501/normal_5fd1bf693b185.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4492918/normal_5fe3ea7584ce6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414680/normal_5fb839f1a9da1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4473954/normal_5fd91a5421161.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4493209/normal_5fc93f5dc6e35.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4415748/normal_5fe75bf7cbe16.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/tobojelusiwi/potumikafefekofe.pdfIn PDF document text
    • https://s3.amazonaws.com/lumixi/traducir_aleman_a_espaol.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 5

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_off0000d302.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD302 5448 bytes
SHA-256: e0c60b76961a6d12f888a249073ff89863f7269d71036b732a4c4c2732e47d16
font_01_sfnt_off0000e587.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE587 11084 bytes
SHA-256: 7a76d870218db31f0d89a3af62783b78d12946a3f6fa61c6c3e4da2c4e4d54b9

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