Malicious PDF — malware analysis report

Static analysis result for SHA-256 92c5a1258d6eb8c7…

MALICIOUS

PDF

75.0 KB Created: 2021-03-01 12:17:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-30
MD5: e64d3db042b7708c20fc0fa0888f0e91 SHA-1: c94cf2932371834fae5e023f9ab3a9323e0eca0f SHA-256: 92c5a1258d6eb8c7596f6747bcba8740849649d737d1d6a4c7cf2a56daa46445
96 Risk Score

Malware Insights

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

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL that is presented to the user as a search result for "zg survival cheat codes", indicating a social engineering lure. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to redirect users to malicious content.

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://leonvi.ru/wix?keyword=zg+survival+cheat+codes PDF link annotation
    • http://moxegelubopidi.sportsontheweb.net/the_couple_next_door_barnes_and_noble.pdfIn PDF document text
    • http://xijulefabogi.getenjoyment.net/xbox_360_xbox_live_connection_problems.pdfIn PDF document text
    • http://jalazekesofijot.medianewsonline.com/is_sat_required_for_class_of_2022.pdfIn PDF document text
    • http://xofebuledat.scienceontheweb.net/unity_game_engine_for_android_free_download.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/jebupofedijakuk/anticonformiste_definition_francais.pdfIn PDF document text
    • https://s3.amazonaws.com/fujadabez/a_study_in_scarlet_movie_trailer.pdfIn PDF document text
    • https://s3.amazonaws.com/dovulavavo/chronicles_of_narnia_full_movie_free.pdfIn PDF document text
    • http://zudupaxub.myartsonline.com/free_subject_and_predicate_worksheets_for_6th_grade.pdfIn PDF document text
    • https://s3.amazonaws.com/wefemabeni/blasted_lands_quest_guide_classic.pdfIn PDF document text
    • https://s3.amazonaws.com/muwemivumazulax/angielski_matura_podstawowa_gramatyka_wiczenia.pdfIn PDF document text
    • https://s3.amazonaws.com/donukadizolin/hotel_transylvania_3_imdb_parents_guide.pdfIn PDF document text
    • http://rixibedi.onlinewebshop.net/wawabuf.pdfIn PDF document text
    • http://boxijekew.atwebpages.com/comfort_aire_dehumidifier_50_pint_review.pdfIn PDF document text
    • https://s3.amazonaws.com/dalava/chemical_engineering_spreadsheets_free.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_off0000e919.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE919 5216 bytes
SHA-256: 22900ed1c7c5db588fadb825f652d4cd0fb42aa80d56c0557d1f51250b42d3fb
font_01_sfnt_off0000fadb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFADB 10892 bytes
SHA-256: 4a086c895ceb9083f6833631190fd8983b015727c16edc668a916ec8373fd5e0

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