Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d60be48ad7cd717…

MALICIOUS

PDF

65.7 KB Created: 2020-11-27 00:35:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 1303be67163b8c946e30a6969753a377 SHA-1: 2b83ddddb3e0f2d97480e612478600f1630de26e SHA-256: 2d60be48ad7cd717d83e69e3ec49d5c70591141806142d4df98253f5d30615a6
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 0.9995

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/strik?utm_term=classic+sport+turbo+air+hockey+table PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4367311/normal_5f8d92d61a5e9.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/henghuili-files2/japamebokepu.pdfIn PDF document text
    • https://s3.amazonaws.com/seriposuj/zalepegudotud.pdfIn PDF document text
    • https://s3.amazonaws.com/mejobu/what_is_smartthings_app_on_samsung_phone.pdfIn PDF document text
    • https://s3.amazonaws.com/rowubunak/cultural_anthropology_syllabus.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/07bc70e6-bb89-499e-99b1-a13a41d03f59/64472717265.pdfIn PDF document text
    • https://s3.amazonaws.com/fakuguvil/estado_definicion.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ffb012c5-7fb3-41fb-a017-0aaf88ff27a9/total_75w80_h_6965.pdfIn PDF document text
    • https://s3.amazonaws.com/faluzotixupi/kuluma.pdfIn PDF document text
    • https://s3.amazonaws.com/vexeliku/xomixowi.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_off0000c488.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC488 5232 bytes
SHA-256: d99a689e6d34f887db3937ec907e7b4db332762af9b93b3b5d3a6418318c1723
font_01_sfnt_off0000d64a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD64A 10556 bytes
SHA-256: 1ed1e0d55bc347fba2445bf524e4dfa4082da4cb3c7e4de4483f7efda105988b

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