Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ed8cc90afb7c702…

MALICIOUS

PDF

86.6 KB Created: 2021-03-30 10:17:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 40c3d128f88077f5137957dc147d77f9 SHA-1: dac878d6b44c3dad1a2ec13019832ffaa633a749 SHA-256: 3ed8cc90afb7c702aaadc088e338c1ae4d0740e2f1f34ae5181a92e1f1f6f745
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://seumenha.ru/wix?keyword=selfish+net+problem+starting+the+driver PDF link annotation
    • https://cdn.sqhk.co/lukuvekeliki/heKgcSr/softonic_android_apps_for_mobile.pdfIn PDF document text
    • http://goxopisejeza.22web.org/17606595241.pdfIn PDF document text
    • http://vuzuxonovenig.22web.org/ccna_exam_questions_2020.pdfIn PDF document text
    • http://money-team.site/biomagnetismo_goizu1id5.pdfIn PDF document text
    • http://gonugotez.22web.org/how_to_read_feast_for_crows_and_dance_with_dragons.pdfIn PDF document text
    • http://palitra-cveta.ru/koxubismvoep.pdfIn PDF document text
    • https://cdn.sqhk.co/pasezateda/hdyT1hc/mystic_messenger_emails_designer.pdfIn PDF document text
    • http://kogiwonewaveg.iblogger.org/multimetro_agilent_34401a_manual.pdfIn PDF document text
    • https://cdn.sqhk.co/zotenejek/z2ihpif/pocket_door_sizes_available.pdfIn PDF document text
    • http://nepifenimet.iblogger.org/baytown_police_department_arrest_reports.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/zibenoroduzuw/schumacher_xc103-ca_manual.pdfIn PDF document text
    • http://muguvap.epizy.com/26043358989.pdfIn PDF document text
    • https://s3.amazonaws.com/dukexajuj/98870608837.pdfIn PDF document text
    • https://s3.amazonaws.com/muwomapotumugi/35080010562.pdfIn PDF document text
    • https://s3.amazonaws.com/dazuxujepov/mumeroxi.pdfIn PDF document text
    • https://s3.amazonaws.com/vifusupegiza/goonersguide_betting_tips.pdfIn PDF document text
    • https://s3.amazonaws.com/radubozufiwo/gifelilisefa.pdfIn PDF document text
    • https://s3.amazonaws.com/joterige/beery_vmi_scoring_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/tajimipojimo/tizebad.pdfIn PDF document text
    • http://tefabawamibane.epizy.com/definition_of_management_information_system_with_example.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00011f4e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x11F4E 25696 bytes
SHA-256: 43f01b3755ce1da9c914e326486d4565b0fb8769a2100b2c3d67e0397eded299
font_00_sfnt_off0000e64e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE64E 5760 bytes
SHA-256: 46cc163fd203675bbdba4ac33376fcaf515080798d99036c6553ac04b1822f89
font_01_sfnt_off0000f9b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF9B6 10908 bytes
SHA-256: c53045e8af35b23e5a810f80949e0b55892d26679f203fdd9a8cb5bf94559e7e

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