Malicious PDF — malware analysis report

Static analysis result for SHA-256 ceb42377d742013a…

MALICIOUS

PDF

79.7 KB Created: 2021-05-10 06:53:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: a80aaf22892deca13230ba9eaae6a4bb SHA-1: 167274550efb3e8a37446d191bf549cd08d42c62 SHA-256: ceb42377d742013a491755c203d0abaaa55af4f6910b1fe9c9be665ccce6caa2
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 0.9998

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://botokaw.ru/strik?utm_term=divine+comedy+pdf+drive PDF link annotation
    • https://cdn.sqhk.co/ziloteduxemo/Hgpqjam/transmission_shops_close_to_me.pdfIn PDF document text
    • http://pubguckazan.com/faponezabupxob0n.pdfIn PDF document text
    • https://cdn.sqhk.co/doburazax/euYlia8/85604465117.pdfIn PDF document text
    • http://legendbilisim.com/alimentation_stabilise_variable_0-itdo1.pdfIn PDF document text
    • http://fulifubajamo.mywebcommunity.org/26573016762.pdfIn PDF document text
    • http://tublitalia.space/el_diario_de_greg_pelicula_completa_subtituladascp8s.pdfIn PDF document text
    • https://sadaxolofomet.weebly.com/uploads/1/3/1/4/131453623/044cb7fae9ff2.pdfIn PDF document text
    • http://bimadepunepi.mypressonline.com/1212909684.pdfIn PDF document text
    • https://rubosesizip.weebly.com/uploads/1/3/4/7/134744628/9ebc5d9958b.pdfIn PDF document text
    • http://mitutepoka.medianewsonline.com/90548929748.pdfIn PDF document text
    • http://docita.fun/77696353207zfmrd.pdfIn PDF document text
    • http://tanijijud.sportsontheweb.net/xogufirejezaj.pdfIn PDF document text
    • http://bellissimo.online/vijamejiwjfag.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/fatisake/29606004625.pdfIn PDF document text
    • https://s3.amazonaws.com/jakujakula/70070695871.pdfIn PDF document text
    • https://fe92b815-f0fe-4223-924b-659339f44b90.filesusr.com/ugd/8f64fc_8ee2d335e5d642fe90e1b8f07baa2199.pdf?index=trueIn PDF document text
    • https://a84030a7-2e48-4039-807a-383e2b7216cc.filesusr.com/ugd/c5d40f_758550bdc90b4091bbc0481661c98d2f.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/sesafefanulokam/counter_strike_1._6_steam.pdfIn PDF document text
    • https://s3.amazonaws.com/mijumomub/50281717085.pdfIn PDF document text
    • https://s3.amazonaws.com/kelageketisefuv/did_any_of_the_harry_potter_cast_died.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_off0000f907.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF907 5044 bytes
SHA-256: 6f564469e14dd4d78d981150270bf55504c481e0446922c0b8b38189a17a006b
font_01_sfnt_off00010a31.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10A31 11216 bytes
SHA-256: 71ac2cca39b32d4940bb988d406e6116d09e0a3bc12a488940948c7b86198e91

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