Malicious PDF — malware analysis report

Static analysis result for SHA-256 7b067d711734598c…

MALICIOUS

PDF

72.0 KB Created: 2021-04-05 00:22:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 01170112c4941fcc36285fe9ba155678 SHA-1: 20244a2c3abb679c4b8d80ed3eb02dbdcd52b662 SHA-256: 7b067d711734598c059ad5c2ef325fa1eb2aa34713339b4cac58684d9bb7e177
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://zajinet.ru/wix?keyword=pokemon+sword+and+shield+strategy+guide+release+date PDF link annotation
    • http://dfds.in/typewriter_repair_chicago_ilybnwh.pdfIn PDF document text
    • http://zuzorovix.scienceontheweb.net/zogotomake.pdfIn PDF document text
    • http://xidufefonudug.sportsontheweb.net/26610562151.pdfIn PDF document text
    • http://migerov.xyz/comprension_lectora_continuidad_de_los_parquesspvf1.pdfIn PDF document text
    • http://subbellassecret.com/what_was_the_original_function_of_ancient_sculpturesi4e09.pdfIn PDF document text
    • http://afracheat1.xyz/prokaryote_coloring_worksheeteo6gb.pdfIn PDF document text
    • http://swiss-gear-top.xyz/how_to_cheat_verbal_reasoning_testsru4w7.pdfIn PDF document text
    • http://sudilufib.getenjoyment.net/jipuluk.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/jiwisigetizoxif/47645723392.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6702a984-eeb6-459a-9fab-3d4ffcfc4bc4/64385425350.pdfIn PDF document text
    • http://felugibesixe.onlinewebshop.net/22366571320.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/79403701-c999-441f-8845-2fe718afd4dc/english_dictionary_full_words_2020.pdfIn PDF document text
    • https://s3.amazonaws.com/luworizesupox/hbo_max_wont_play_on_apple_tv.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d7ed7adf-f08e-4f4e-b077-f7057a0764d7/fimetuze.pdfIn PDF document text
    • http://ritumogadoj.onlinewebshop.net/1560645191.pdfIn PDF document text
    • https://s3.amazonaws.com/nitidadufetenu/sketchup_program_za_crtanje_free_download.pdfIn PDF document text
    • https://s3.amazonaws.com/wupixufekijax/aliphatic_electrophilic_substitution_reaction_mechanism.pdfIn PDF document text
    • https://s3.amazonaws.com/nuruvapozixix/where_can_i_donate_clothes_in_new_jersey.pdfIn PDF document text
    • https://s3.amazonaws.com/wekibik/kapajadovavovogaweverela.pdfIn PDF document text
    • https://s3.amazonaws.com/sakaburepagase/arborist_report_sample.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/12bb2db9-cb10-46af-bc56-f63a0da20b10/xilizizudetewozenibi.pdfIn PDF document text
    • https://s3.amazonaws.com/xuzed/old_craftsman_bench_top_drill_press.pdfIn PDF document text
    • https://s3.amazonaws.com/xomudufe/cute_heart_drawings_for_her.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_off0000d9f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD9F4 5496 bytes
SHA-256: 28a69f993224501a5cf324b1b9f3fd71e6fa15de47bc3e74b4bda8029f2be391
font_01_sfnt_off0000ec93.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC93 11012 bytes
SHA-256: 6e58fb84196b997adb029d91f8ef5f3f6e50c8c042a55cdd4ef693ab92307b04

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