Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3396175d1694721…

MALICIOUS

PDF

78.6 KB Created: 2021-04-05 00:42:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 4a542ced527847378e79e3fb93219f11 SHA-1: 54fa9a90835e4a4f5f688f56f8571dd5051f9185 SHA-256: f3396175d16947213db11faf1d3de169c158abe627f642e3f1f5307eba0162d5
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://jottigo.ru/strik?utm_term=sound+blaster+z+ohm+settings PDF link annotation
    • http://rankingcoach-seo.com/jixometelelanamemkktv5.pdfIn PDF document text
    • http://vuzisebepuda.iblogger.org/amazing_spider_man_comics_for_sale.pdfIn PDF document text
    • http://xejevojesinil.22web.org/microsoft_azure_iaas_interview_questions_and_answers.pdfIn PDF document text
    • http://otomail.business/71302428366rczod.pdfIn PDF document text
    • http://pubggaming.online/how_to_self_install_optimum_modemlm66c.pdfIn PDF document text
    • http://guxesux.22web.org/gagasizugumot.pdfIn PDF document text
    • http://itravelgr.com/how_much_is_a_2015_jeep_wrangler_rubiconsf1fx.pdfIn PDF document text
    • http://carins.info/75219379680r9b17.pdfIn PDF document text
    • http://form-lnstagramverifiedbadges.com/essick_air_aircare_evaporative_humidifier_filterly6hc.pdfIn PDF document text
    • http://winsbig.space/charlie_full_movie_tamilrockers4axg5.pdfIn PDF document text
    • http://astropsychology.site/tipos_de_virus_informaticos_caballo_de_troyayj3r6.pdfIn PDF document text
    • http://zujugowez.iblogger.org/73800849999.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/gonima/gilasup.pdfIn PDF document text
    • https://s3.amazonaws.com/pewebopufupe/blur_background_image_editor_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/dobesogum/lenilosafusur.pdfIn PDF document text
    • https://s3.amazonaws.com/vavabi/islamic_calendar_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/ravuxudibure/bvm_school_uniform.pdfIn PDF document text
    • https://s3.amazonaws.com/rimejiguvif/58493200687.pdfIn PDF document text
    • http://jupanifoz.epizy.com/psychology_the_science_of_mind_and_behaviour_5th_edition.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f3c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF3C2 5532 bytes
SHA-256: 1bb04b1e943c980a07ea6aab5c7adc5d5aeb8eb6f6c749625d14f8460d79d4ff
font_01_sfnt_off00010666.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10666 11292 bytes
SHA-256: 36002e907ff902e80399cc815023f8e8a8c69c4b45e04996560b7013fa64fc98

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