Malicious PDF — malware analysis report

Static analysis result for SHA-256 2cdab8041806d39b…

MALICIOUS

PDF

103.7 KB Created: 2021-03-20 10:54:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4c842721354fd302013226f9883f5561 SHA-1: 92239d3082ddfdbe488263099b6f965f267db528 SHA-256: 2cdab8041806d39b065106ee1a31aac74cbc5ff4749e2474c1ae17c330a4a2f7
96 Risk Score

Malware Insights

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

The file is a PDF document that contains embedded URLs, one of which is presented as a search result for 'car racing games for ps4'. The ML classifier and ClamAV detection strongly indicate maliciousness. The presence of embedded URLs suggests the document is designed to redirect the user to malicious sites, likely for phishing or malware distribution.

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://jumiwimov.ru/123?utm_term=car+racing+games+for+ps4
    • https://girosiwubu.weebly.com/uploads/1/3/0/7/130740458/b68bc73.pdf
    • http://lnstagramverifiedsbadgeforms.com/25179473260sfzpf.pdf
    • http://bukuminuwakub.mypressonline.com/65056039446.pdf
    • http://xulazawelinuze.scienceontheweb.net/baking_scones_recipes.pdf
    • http://momuloteseze.22web.org/10990627586.pdf
    • http://callup.today/laser_eye_color_change_costa_ricakldey.pdf
    • https://gibonubud.weebly.com/uploads/1/3/4/8/134877094/8783829.pdf
    • http://poroda.site/macaron_template_free_printable9g8k4.pdf
    • https://pifujikis.weebly.com/uploads/1/3/4/8/134875168/lepakafaluwosepep.pdf
    • http://copyrightreports.com/xesidijami3u5.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/a2862180-d64f-4048-9cbf-e935a318aa20/roxuvozekenunube.pdf
    • https://uploads.strikinglycdn.com/files/c6242cb3-4698-4e7a-8696-a1833da21867/how_to_use_a_hoover_powerdash_carpet_cleaner.pdf
    • http://redanewirejawub.epizy.com/applied_mathematics_3_diploma_engineering.pdf
    • https://uploads.strikinglycdn.com/files/e70ca6d9-404f-496e-85f9-742f8f43eca0/domujufixifomuvug.pdf
    • http://luvepel.myartsonline.com/dreams_from_my_father_free_download.pdf
    • http://zedofizanotigip.epizy.com/vebetovefetizuxi.pdf
    • http://negavutagogo.epizy.com/configuring_basic_ripv2_and_ripng_answers.pdf
    • http://vogokobujapipam.epizy.com/antiphonale_missarum_mediolanensis.pdf
    • https://uploads.strikinglycdn.com/files/9cc08433-e27a-4da3-bd1f-79ba877bdae3/hp_deskjet_5740_printer_cartridges.pdf
    • http://sikejilewiz.epizy.com/class_11_chemistry_chemical_bonding_and_molecular_structure_notes.pdf
    • http://favigagiwu.epizy.com/fisedul.pdf
    • http://dolinoko.atwebpages.com/muwevobonotovor.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_off000158e5.bin
aab8d3a5170addab4795e81abb2adc969d5becda9f5051160d71366361887ee8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x158E5 5296 bytes
font_01_sfnt_off00016adc.bin
f77e4754ce6e96f0e2aeb549f8d90b6978117a9d3fddef75a56e773144959dd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x16ADC 11212 bytes

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