Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ccaea2627b90a20…

MALICIOUS

PDF

69.5 KB Created: 2020-11-14 03:42:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02
MD5: 00f27e19ea49feb8f3a21ca465cfecc7 SHA-1: 2fd2aba17f54988e74cc8fa7079e044238217861 SHA-256: 2ccaea2627b90a20f0f048c186d2d68efb033ea99d2deaf8dad063ce895233dc
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://trafffi.ru/123?utm_term=batman+and+spiderman+cake PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4369305/normal_5f8b0501b3457.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383165/normal_5f8f439a18d6e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374196/normal_5fa7828532beb.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/14e70f01-ddb3-41b6-b2e9-cc029c54baa4/robibenezelig.pdfIn PDF document text
    • https://s3.amazonaws.com/lovetijif/21827104916.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f22b2f23-85bd-4427-80d7-2c0ad912ab68/nugexexiguzino.pdfIn PDF document text
    • https://s3.amazonaws.com/wonoti/levam.pdfIn PDF document text
    • https://s3.amazonaws.com/busutafitufe/defuxirulapowi.pdfIn PDF document text
    • https://s3.amazonaws.com/xoxaneral/79957528083.pdfIn PDF document text
    • https://s3.amazonaws.com/takeju/sign_into_hotmail.com_account.pdfIn PDF document text
    • https://s3.amazonaws.com/fasanag/lamborghini_hot_wheels_cheap.pdfIn PDF document text
    • https://s3.amazonaws.com/donarepemi/20188727675.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_off0000d28b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD28B 5300 bytes
SHA-256: 3c1c5f94ce99ff0cdb3be9f0ee56c3b63efb12907759f5b954a753c5b1140a25
font_01_sfnt_off0000e47b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE47B 10696 bytes
SHA-256: 424ab4549fff7b3db4639d3de4117512ad1f8fc3e0d296b617dce14408fb74e5

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