Malicious PDF — malware analysis report

Static analysis result for SHA-256 bee9adb887b58360…

MALICIOUS

PDF

223.7 KB Created: 2021-04-02 14:32:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: a6a8d38b9f14514b5fec08ab5ae9cd8f SHA-1: 70525c103ee6a2da1f931e65c47d27d7cda20ab3 SHA-256: bee9adb887b58360271bdb8598a067fdcb4dbfeb0107a180e3f8273ecf2053e0
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 0.9839

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://dafemum.ru/wix?keyword=throne+of+glass+pdf+duck PDF link annotation
    • http://ziwusis.getenjoyment.net/hr_balanced_scorecard.pdfIn PDF document text
    • https://nawolokiwepona.weebly.com/uploads/1/3/2/8/132814855/9408510.pdfIn PDF document text
    • http://narelavupes.22web.org/vba_cell_value_format_date.pdfIn PDF document text
    • https://cdn.sqhk.co/tixuniwe/RjghK3i/nika_futterman_archer.pdfIn PDF document text
    • https://cdn.sqhk.co/nukusigemug/jj01Lxl/46512894957.pdfIn PDF document text
    • http://zekabivalejasaj.22web.org/avengers_font_style_photoshop.pdfIn PDF document text
    • https://kavanezeso.weebly.com/uploads/1/3/4/4/134477356/dceb0418e0e9e33.pdfIn PDF document text
    • https://kelubipo.weebly.com/uploads/1/3/4/8/134891634/2866073.pdfIn PDF document text
    • https://daxolefuziru.weebly.com/uploads/1/3/5/9/135963055/zuwabewam.pdfIn PDF document text
    • http://xagugudel.sportsontheweb.net/descargar_manga_berserk_gratis.pdfIn PDF document text
    • http://minesaxofunawi.getenjoyment.net/57045271147.pdfIn PDF document text
    • http://tivewuba.iblogger.org/juvunideseseperex.pdfIn PDF document text
    • https://cdn.sqhk.co/pefemezized/gDagjcV/99224333394.pdfIn PDF document text
    • https://fobedixosofano.weebly.com/uploads/1/3/4/3/134377241/mesadaxud.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/zepifudoxapo/lugedisejiba.pdfIn PDF document text
    • http://fadezanunadafik.myartsonline.com/appendix_a_form_for_gate_2020.pdfIn PDF document text
    • http://gakamaxoluzes.atwebpages.com/98705059592.pdfIn PDF document text
    • http://perexuwofogefo.onlinewebshop.net/xavitevof.pdfIn PDF document text
    • http://xinedebasutusaz.rf.gd/peputunalumerowol.pdfIn PDF document text
    • https://s3.amazonaws.com/jefazaxal/bses_rajdhani_electricity_bill.pdfIn PDF document text
    • https://s3.amazonaws.com/tajimipojimo/answering_service_care_careers.pdfIn PDF document text
    • https://s3.amazonaws.com/dakebesuvum/77770075330.pdfIn PDF document text
    • https://s3.amazonaws.com/sesafefanulokam/74653740287.pdfIn PDF document text
    • http://guvivel.rf.gd/general_aptitude_test_questions_and_answers_with_solutions.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_off0003379e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3379E 5428 bytes
SHA-256: ea9edb5edafbaa2a96a7bcee7628379eb37275ba087c3f72e81881e7ffb5f52e
font_01_sfnt_off00034a18.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x34A18 10760 bytes
SHA-256: 6dd51948ee2559d8b8648029e96fb2b66da23157de4e56eb66939473972bd963

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