Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e01654b78bf6324…

MALICIOUS

PDF

77.7 KB Created: 2021-03-24 04:50:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-13
MD5: 02a15cda83b13b545d06690a4a87ef9c SHA-1: f072a298ca1579439790e818349955e1848cbd04 SHA-256: 2e01654b78bf6324cc8b143497ccfc675bdd1e167e556bbc2ceb9c63b275bec8
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The embedded URL points to a site offering a download, suggesting a phishing or malware distribution lure. The document body, though heavily corrupted, contains keywords related to downloading software, reinforcing the phishing pretext.

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://pelibifir.ru/wix?keyword=duck+life+space+full+download+apk PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4462368/normal_60037f2ddf564.pdfIn PDF document text
    • http://fexevosekuzavep.iblogger.org/cessna_182_spec_sheet.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450631/normal_6035f4fa65de9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451561/normal_5fd1b83ad5318.pdfIn PDF document text
    • http://instapriz.online/wordly_wise_book_7_lesson_94vohh.pdfIn PDF document text
    • http://lisakusutel.iblogger.org/how_to_unlock_a_tracfone_without_a_code.pdfIn PDF document text
    • http://arm-watch3.club/chogada_tara_audio_song_pagalworlditgt0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4422918/normal_60540d83aab91.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/zuwosil/manual_balance_sartorius_basic.pdfIn PDF document text
    • https://s3.amazonaws.com/lijulijowivaze/tales_of_symphonia_ps3_trophy_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/golepe/columbus_ga_police_department_reports.pdfIn PDF document text
    • https://s3.amazonaws.com/memexelu/2166488693.pdfIn PDF document text
    • https://s3.amazonaws.com/dazinibonofobi/printable_alphabet_tracing_worksheets_for_kindergarten.pdfIn PDF document text
    • http://bavalinalubov.rf.gd/humayun_ahmed_movie_download.pdfIn PDF document text
    • http://kodekexonalana.epizy.com/wowivoxazitopukulitiwag.pdfIn PDF document text
    • https://s3.amazonaws.com/wuvepilamamuse/whatsapp_status_tamil_songs_new.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_off0000ef67.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF67 5208 bytes
SHA-256: 0b6afb6e51ca0ddd495b2dc87891fdd470a513229787c5092e51c3ad1e66fa0a
font_01_sfnt_off00010157.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10157 12628 bytes
SHA-256: 82f115c9d302e7129bb9303c18e6990e0013f7867ec8dd0e0b461d67e38f0a6d

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