Malicious PDF — malware analysis report

Static analysis result for SHA-256 0716cc0349634691…

MALICIOUS

PDF

74.3 KB Created: 2021-02-26 01:30:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 064a7a5b1c52911a8b7d7a9640d1306a SHA-1: 931265c64491939650f5732f424c99d6818141af SHA-256: 0716cc0349634691d039d8f9d2e8f742f542f592dd3f2439f44fff34406f9651
96 Risk Score

Malware Insights

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

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of an embedded URI pointing to 'maypoin.ru' suggests a phishing or malware distribution attempt. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a common phishing lure, likely designed to trick users into downloading further malicious content or revealing sensitive information.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://maypoin.ru/wix?keyword=honda+lawn+mower+parts+hrx217tda
    • https://cdn.sqhk.co/niramojiga/gfidgew/amtrak_downeaster_schedule_today.pdf
    • https://cdn-cms.f-static.net/uploads/4413455/normal_602459531d1ab.pdf
    • http://rowexusaje.mypressonline.com/what_is_the_marvel_movie_chronological_order.pdf
    • http://raxejudesezix.scienceontheweb.net/geruweli.pdf
    • https://cdn-cms.f-static.net/uploads/4368747/normal_5fd17dff575f7.pdf
    • https://cdn-cms.f-static.net/uploads/4484999/normal_602c5937ca5a8.pdf
    • http://betijeduw.getenjoyment.net/fukixaxu.pdf
    • http://tixesikixux.mygamesonline.org/ingles_basico_online_gratis_com_certificado.pdf
    • http://sipataj.sportsontheweb.net/mutubojepo.pdf
    • https://cdn.sqhk.co/xadeviro/YeggupJ/geluzitoradimapozililelow.pdf
    • https://cdn-cms.f-static.net/uploads/4481663/normal_600d6fe28f169.pdf
    • http://suzofovolavuk.scienceontheweb.net/mubupoxudupafaraninan.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://vubelifijam.atwebpages.com/57413766852.pdf
    • http://wovibojo.onlinewebshop.net/pec_241_7_paginas.pdf
    • https://s3.amazonaws.com/zulezov/letter_tracing_worksheet_creator.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e62a.bin
95771faf2ff66f5fad15c89874a29511430fede63172dfcdcb8b4f7e11a37a77		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE62A 5584 bytes
font_01_sfnt_off0000f919.bin
0ba5f0af6b957ae072df9fd06b96774ecb3a7c5fe993dcceca1225c5fca56407		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF919 10368 bytes

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