Malicious PDF — malware analysis report

Static analysis result for SHA-256 59ec4e86497f61ba…

MALICIOUS

PDF

80.5 KB Created: 2021-03-20 06:57:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-02
MD5: 6d57d56c3a5ea2a8c601d9f0ad766ad1 SHA-1: 55a3295b9f8b0d1bff23766e50f0235107e40828 SHA-256: 59ec4e86497f61ba4d926d19cc590fd2504bf9a9d75f2ada3c4e98f93aa2e820
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URI that points to a suspicious domain, identified by ClamAV as Pdf.Phishing.Trojan. The document body, though heavily obfuscated, appears to be a lure related to search results, suggesting a phishing attempt. The presence of an external URI and the ML classifier's high confidence score indicate a malicious intent to redirect the user to a harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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://xezojetit.ru/wix?keyword=jennie+o+tender+browned+turkey+breast+cooking+directions PDF link annotation
    • http://zokoxakabu.medianewsonline.com/543165556.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380682/normal_60184c75cec37.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4421615/normal_5ff1933b00684.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421350/normal_5fd77d8dcf24b.pdfIn PDF document text
    • http://botefin.medianewsonline.com/rawukavafexowafo.pdfIn PDF document text
    • http://gajonedorebuko.mywebcommunity.org/building_and_testing_with_gradle_free.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426701/normal_5ff9cffb15676.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://mugekalamiwatek.epizy.com/english_language_video_mp4.pdfIn PDF document text
    • http://vakizonozajaxe.onlinewebshop.net/fossil_q_explorist.pdfIn PDF document text
    • http://getapumofibejop.epizy.com/boar_s_head_corned_beef_nutrition_information.pdfIn PDF document text
    • https://s3.amazonaws.com/lorerexeg/virixereniw.pdfIn PDF document text
    • https://s3.amazonaws.com/bofake/neo_behaviorism.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4819f17f-6485-42c7-ae8a-00ec9e26fb8e/2243164975.pdfIn PDF document text
    • https://s3.amazonaws.com/zamemigojat/59502591610.pdfIn PDF document text
    • https://s3.amazonaws.com/padosumifubobo/ratuniwokekinawameriral.pdfIn PDF document text
    • https://s3.amazonaws.com/ninazarila/vaastav_movie_songs_pagalworld.pdfIn PDF document text
    • http://jimotomalugeji.rf.gd/si_usman_ang_alipin_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/kubafezin/chaser_korean_movie_free.pdfIn PDF document text
    • https://s3.amazonaws.com/lososimap/convert_to_word_document_to_edit.pdfIn PDF document text
    • https://s3.amazonaws.com/belopudevuzuza/apple_store_book_appointment_westfield_shepherds_bush.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e10a8352-b6a0-4780-9b9f-8c27fa8e479d/88874119825.pdfIn PDF document text
    • http://juxugalipexobow.epizy.com/how_to_program_samsung_remote_to_spectrum_cable_box.pdfIn PDF document text
    • https://s3.amazonaws.com/piradi/dd_5e_combat_actions_cheat_sheet.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_off0000f982.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF982 5464 bytes
SHA-256: da434c1014165bbeb1e033a99b4abc14c57760507966f6c6d8577996ca031f85
font_01_sfnt_off00010c41.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10C41 12148 bytes
SHA-256: 087434cc0578c66c7cfccd95434955022b817abdf995aeca03ba95b04ea3d928

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