Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ea17fcace080e00…

MALICIOUS

PDF

69.4 KB Created: 2020-11-17 19:22:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 1b45f6ddad372a2f7665f562580b7421 SHA-1: d2d9a010063146187e2c3e2456ebb8b1887e2dd8 SHA-256: 9ea17fcace080e0013fa994d00f57067245b56d235e95f5f3cbbc3d42d086770
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that redirects to a suspicious domain, likely intended to trick the user into visiting a malicious site. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing or trojan PDF. No scripts were extracted, but the presence of a malicious URL within the document body is a strong indicator of a phishing attempt.

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://traffset.ru/123?utm_term=scar+face+ps2+cheats PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4458390/normal_5fa8131ce722f.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/pazifetanegapu/kulenelawoxulipanipoworu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/493f0d62-8676-4786-96b1-4f1dce0e6623/piloxezujawakowabe.pdfIn PDF document text
    • https://s3.amazonaws.com/jixerubowi/acid_base_calculation_worksheet_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/kopisigapub/making_generalizations_worksheets_5th_grade.pdfIn PDF document text
    • https://s3.amazonaws.com/xuzed/vedawipazinusupujug.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bfc6ff9b-8d98-4dfc-bbc4-f27d8ec4a52a/27430258016.pdfIn PDF document text
    • https://s3.amazonaws.com/xamibudasagas/72961785489.pdfIn PDF document text
    • https://s3.amazonaws.com/dezajok/drop_of_luck_feed_the_beast.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a85ca326-6f7c-4862-b95a-74eed66b6098/archero_farming_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/513dc459-cac1-4136-a635-84907c5497cb/world_religions_a_voyage_of_discovery_by_jeffrey_brodd.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2e3885c1-d40f-451c-b0c6-4d7c2bc89e20/topemusu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9e3ad35c-c9e2-4e5b-aa39-33880733c479/boxhead_3_unblocked.pdfIn PDF document text
    • https://s3.amazonaws.com/nijudow/abcd_song_pagalworld.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_off0000d134.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD134 5308 bytes
SHA-256: f5c5cff4138ea80960c81750c25daaf40b930780eea417274f191b11bd1246d8
font_01_sfnt_off0000e340.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE340 11284 bytes
SHA-256: eb0fa6ff197eb87ed6d12ba20bd936b0d71e3ea4a89627edb8a89cca00fe611d

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