Malicious PDF — malware analysis report

Static analysis result for SHA-256 a6726ba20244302b…

MALICIOUS

PDF

69.4 KB Created: 2021-04-21 10:46:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 0d8093d5503fc630801a8b2601b61dc5 SHA-1: 101d1ebe8e2dec31c44370410c5dd6b06259e736 SHA-256: a6726ba20244302b5cd2613b320cb7123feb906748b2bb6993921319c7e01cbf
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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://golowaki.ru/strik?utm_term=united+colors+of+benetton+hot+perfume+review PDF link annotation
    • http://leadtop.co/wakipogebuzufibexarix3p4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4381962/normal_6003dfc03eec3.pdfIn PDF document text
    • http://snt-br.ru/why_we_recycle_bookz1lz7.pdfIn PDF document text
    • http://classicalnaturally.com/concise_paediatrics_freer0xsd.pdfIn PDF document text
    • http://1freedom.space/cen_tech_4_in_1_portable_power_pack_manualnzwme.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370092/normal_602cf46488977.pdfIn PDF document text
    • http://ionatr.space/how_to_draw_realistic_portraits_with_pencilsddf0.pdfIn PDF document text
    • http://profer-opt.ru/pulevmcxz3.pdfIn PDF document text
    • http://youtube-subscribes.com/how_to_connect_neato_d7_to_alexa50vtt.pdfIn PDF document text
    • http://djami.ru/waxawupatifidagisojvqa82.pdfIn PDF document text
    • http://chisto-chisto52.ru/all_trig_identities_cheat_sheetpaeow.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://30cc9e9c-6145-4029-bfdc-d0561bdb3a10.filesusr.com/ugd/0dcf4b_6d9cfc20126b43cab570d0b83f06b4a8.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/jajuzasalikirut/41885676930.pdfIn PDF document text
    • https://7ec9ed57-df89-401a-953b-45744c150cee.filesusr.com/ugd/6e3131_fd0c88e171bf489fbeb5a5d4e73af9d9.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/sakaburepagase/titifitepekamokin.pdfIn PDF document text
    • https://s3.amazonaws.com/viromibukoleliw/pokemon_tabletop_adventures_3.pdfIn PDF document text
    • https://s3.amazonaws.com/bisute/22954643734.pdfIn PDF document text
    • https://75a697d3-84f0-44cf-bab9-f05e37020c50.filesusr.com/ugd/7c3584_9a5b3a4fbc67437fb2bc30c0b5b56d05.pdf?index=trueIn PDF document text
    • https://4cd5eafb-d261-4666-a528-29b55b1676c1.filesusr.com/ugd/8dde66_dd39e55dd65745ceac355a4b26d4247c.pdf?index=trueIn PDF document text
    • https://77483064-5892-4b52-b419-66e751946b77.filesusr.com/ugd/ef7b09_a77f09d5809642549d5d12413ed6e36d.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/nitidadufetenu/87137885534.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_off0000d188.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD188 5468 bytes
SHA-256: 88dcec80ab969ebdf3e2e42eb875c82b70f58ee580b0e516694e9d6083e55c3d
font_01_sfnt_off0000e407.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE407 10664 bytes
SHA-256: 09f454d295c8e552ffa5c8075dd3f65adbd8e4a1b66be99d75e58d5a9f0c1c2d

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