Malicious PDF — malware analysis report

Static analysis result for SHA-256 e324188c59c467f9…

MALICIOUS

PDF

79.4 KB Created: 2021-03-14 23:55:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 88347374e29e9ea4adaef81ce37a81a4 SHA-1: e9d25fee4609753cebd094ecfd92ab277666d784 SHA-256: e324188c59c467f9dd1afd78112d405294cde74c21450d1c6547523bd1d487d5
96 Risk Score

Malware Insights

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

The file is a PDF that contains an embedded URL pointing to a resource disguised as a book PDF. This URL is likely used to deliver a secondary payload or lead the user to a phishing site. The ML classifier and ClamAV detection strongly indicate malicious intent, consistent with a phishing or malware distribution scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://lozipotod.ru/wix?keyword=creedthoughts+book+pdf
    • https://dasirexifavud.weebly.com/uploads/1/3/5/3/135320576/8614596.pdf
    • https://lakogobeza.weebly.com/uploads/1/3/4/0/134096968/walakawaziriviv.pdf
    • http://adyga.site/tamil_video_status_for_whatsapp_apptico8.pdf
    • https://cdn-cms.f-static.net/uploads/4487903/normal_603660c7b8f21.pdf
    • http://vinnipoh.fun/35636337757icufg.pdf
    • https://minajekefejuwow.weebly.com/uploads/1/3/0/7/130776819/rugodigejowibu-bapirizer-xofim-lilekopuxuj.pdf
    • http://therarbooks.com/octopus_google_play_login_support_apkvoyld.pdf
    • https://muwewemumefiga.weebly.com/uploads/1/3/0/8/130874681/5eec0da9a701b.pdf
    • http://zeropium.com/how_to_start_a_youtube_channel_in_teluguzvste.pdf
    • https://static.s123-cdn-static.com/uploads/4505096/normal_5ffb4bd8e6a8b.pdf
    • http://pusedoropeseb.66ghz.com/14969097157.pdf
    • http://profer-opt.ru/84618290243srnr8.pdf
    • https://static.s123-cdn-static.com/uploads/4491723/normal_60035688d92fe.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://tolimimagag.epizy.com/canons_of_taxation_by_adam_smith.pdf
    • http://magomodatibotu.epizy.com/kibifafe.pdf
    • http://tijilidimipep.epizy.com/79163860867.pdf
    • http://nokigabexotuk.rf.gd/refasiparubove.pdf
    • http://lopejad.epizy.com/context_clues_worksheet_8th_grade.pdf
    • https://s3.amazonaws.com/towutoginadivu/event_planner_ppt_template.pdf
    • http://suboxasolu.rf.gd/61150184764.pdf
    • http://dilegefofuz.rf.gd/memeze.pdf
    • https://s3.amazonaws.com/wajibile/vafumitavalavaga.pdf
    • http://zexenafejesited.rf.gd/bouwbesluit_2020_download.pdf
    • http://jefebewo.epizy.com/agile_project_planning_template_excel.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_off0000f5ea.bin
bb847abc948bcad40df3893378f97a9a70c9686d29de2f88706fa71ca4b9bc22
pdf-font-stream PDF embedded font (sfnt) at offset 0xF5EA 5172 bytes
font_01_sfnt_off00010777.bin
4fb5d64cdd177b9f4f356c57809bf5458d43d8a24303bf81c86621827edce7cb
pdf-font-stream PDF embedded font (sfnt) at offset 0x10777 12076 bytes