Malicious PDF — malware analysis report

Static analysis result for SHA-256 6977327aa1bc56da…

MALICIOUS

PDF

80.2 KB Created: 2021-03-27 14:01:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 4b13e1218de30d68f636a3131470aaaf SHA-1: fa4b0787915f546be5284cbbcae3f1c5714c7fa0 SHA-256: 6977327aa1bc56dacc2df593d09633bc91be40542f955c774bc9c75939b05700
96 Risk Score

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 0.9997

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://botokaw.ru/award?keyword=allelic+and+non+allelic+interaction+pdf PDF link annotation
    • http://kolomata.ru/60917571150fhbf6.pdfIn PDF document text
    • http://motivawka.online/hp_deskjet_f4580_wireless_setup_androidjm2mw.pdfIn PDF document text
    • http://table-wait.com/what_is_covered_in_osha_30_training8nsde.pdfIn PDF document text
    • http://goropefixujifep.22web.org/allergene_liste.pdfIn PDF document text
    • http://betmoy57.com/sadebilezuxm8jtl.pdfIn PDF document text
    • http://beamorem.com/56788113457m6gd6.pdfIn PDF document text
    • http://janafan.scienceontheweb.net/cambiar_de_a_word_gratis_online.pdfIn PDF document text
    • http://business-open.online/twilight_book_review_and_summaryqgdhm.pdfIn PDF document text
    • http://eferevole.com/guided_meditation_for_healing_after_surgery9wfh8.pdfIn PDF document text
    • http://nuwojukow.mygamesonline.org/desoxazoboduzi.pdfIn PDF document text
    • http://sufofure.mywebcommunity.org/94051481898.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/baxegezivumi/texas_regions_mountains_and_basins_landforms.pdfIn PDF document text
    • https://s3.amazonaws.com/xafaxotaful/nail_spas_open_near_me_now.pdfIn PDF document text
    • https://0f285ee0-1b14-49a2-8a3e-060a2db94812.filesusr.com/ugd/4bf67f_64725cd5061e4079a8f89dbf80c375e6.pdf?index=trueIn PDF document text
    • http://gogufujupi.rf.gd/bevulexumozodazof.pdfIn PDF document text
    • https://s3.amazonaws.com/dazovosugev/barron_s_new_sat_reading_workbook.pdfIn PDF document text
    • https://s3.amazonaws.com/zagapaxa/naxomewarogiteveme.pdfIn PDF document text
    • https://144ece88-722e-4d59-a9d1-ae16887514c2.filesusr.com/ugd/48b17f_65a84a0b01eb4ed68a9cfa6dc72e9ce6.pdf?index=trueIn PDF document text
    • https://74269c25-1731-4359-90d4-804f54ef9c1c.filesusr.com/ugd/b5973a_61cf3681d74849759e054ed27f96478c.pdf?index=trueIn PDF document text
    • https://69df74eb-9f83-488d-97bb-abb55063df61.filesusr.com/ugd/f34323_de4eb529f33f48efacf54cef3db6be07.pdf?index=trueIn PDF document text
    • http://wagibederujejo.rf.gd/meilleur_anti_spyware_android_gratuit.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_off0000fe16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE16 4960 bytes
SHA-256: cbf1df4bc070619e9b6a96d789915470b3530eb2993d58afd48aac99202a808f
font_01_sfnt_off00010f08.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10F08 10620 bytes
SHA-256: d45316cb9013baa7098c624bac94ac78d981a2fa8858a8dcc87acb882468a06f

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