Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c787afe28c69954…

MALICIOUS

PDF

380.5 KB Created: 2021-03-31 00:18:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 289a9999d7a9c09b1cdf1099818ef2a0 SHA-1: b133f0e603b2e6b4975fb1235de37226ee875366 SHA-256: 7c787afe28c69954506b8abdff78a23ab05b4075b1af94f8387eaf0a968b098a
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 0.9973

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://ponafet.ru/award?keyword=pradhan+mantri+awas+yojana+up+form+pdf PDF link annotation
    • https://serivuzoforin.weebly.com/uploads/1/3/4/3/134334639/jakiwukajo.pdfIn PDF document text
    • http://potawuzaj.medianewsonline.com/xojuk.pdfIn PDF document text
    • http://shmelev.pro/why_does_my_clothes_washer_smell_like_sewerppbzf.pdfIn PDF document text
    • https://cdn.sqhk.co/mugodetutag/e4f3ije/38541886597.pdfIn PDF document text
    • http://simekavo.22web.org/kohler_a112.18.1m_kitchen_faucet.pdfIn PDF document text
    • https://xezinaruwi.weebly.com/uploads/1/3/4/4/134479948/lepepufuwuto_mubaniz.pdfIn PDF document text
    • http://podipotekoi.ru/ansys_apdl_commands_tutorialdmezy.pdfIn PDF document text
    • http://bnatural.space/997009805470wog5.pdfIn PDF document text
    • http://sutixekume.22web.org/project_report_on_automobile_spare_parts.pdfIn PDF document text
    • https://vemisalisak.weebly.com/uploads/1/3/1/4/131437925/lemoxu_dokinikazo_basesigav.pdfIn PDF document text
    • https://cdn.sqhk.co/zadexona/ihHydgf/37944664788.pdfIn PDF document text
    • https://jurulekoteg.weebly.com/uploads/1/3/4/7/134700509/sudakuxa-kowuj-ridafijevive.pdfIn PDF document text
    • https://cdn.sqhk.co/burexewejam/UVhahea/98011278709.pdfIn PDF document text
    • https://xowunaxevome.weebly.com/uploads/1/3/4/6/134679103/lovaboted-vozafo-fibitodijex-nolekopo.pdfIn PDF document text
    • http://confirmyourverifiedbadge.com/antisocial_personality_disorder_case_studyfytcp.pdfIn PDF document text
    • https://cdn.sqhk.co/xegunorasu/fRgghdw/zipegi.pdfIn PDF document text
    • https://cdn.sqhk.co/vipujitebiki/hfpmhys/world_market_patio_furniture_sale.pdfIn PDF document text
    • http://kuvezowepo.scienceontheweb.net/democratic_centralism.pdfIn PDF document text
    • http://jusuzabajalaz.22web.org/atcc_animal_cell_culture_guide.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://witesenigo.atwebpages.com/vasonemutizakowutozis.pdfIn PDF document text
    • http://jeborawaleko.atwebpages.com/holden_evening_prayer.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_off000597b4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x597B4 5520 bytes
SHA-256: bc45ff1505dc7c84292b619afba28718af80c2624eed452019ee2f16af03653a
font_01_sfnt_off0005aa69.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5AA69 20936 bytes
SHA-256: a84cc6172183341772c57a9aa80274faedb9fa20d4771a48a0d13a804148eaad

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