Malicious PDF — malware analysis report

Static analysis result for SHA-256 b64319e759861523…

MALICIOUS

PDF

88.3 KB Created: 2021-05-11 23:42:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 2cbf9fcd8135ae383a5c024249658f1e SHA-1: 1cae68d84a547af9ab7a9335d65d1a87caf8e9bb SHA-256: b64319e759861523af934c1418f55c62e5bb04c9cd0df1731ea01501a3d7d39e
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 0.9993

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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=breville+toaster+oven+air+fryer+best+buy PDF link annotation
    • http://cabinetsly.xyz/41573459598rkucs.pdfIn PDF document text
    • http://smartcreditcheck.info/3404741542851wk3.pdfIn PDF document text
    • http://toppiksnack.xyz/86308783019dcnkz.pdfIn PDF document text
    • http://tixshopclub.space/cat_in_the_hat_meme_generatorokqmx.pdfIn PDF document text
    • https://cdn.sqhk.co/xanapaje/jdNhjhu/69008540129.pdfIn PDF document text
    • http://ottics.ru/48074354828qunb6.pdfIn PDF document text
    • http://business-open.online/how_to_put_blue_parrot_in_pairing_modeypf6q.pdfIn PDF document text
    • http://liko-sneakers.com/tefafenutimikenuvijukmilr.pdfIn PDF document text
    • https://cdn.sqhk.co/zokirafuka/7HGgiR9/termo_de_assentimento_informado_livre_e_esclarecido.pdfIn PDF document text
    • http://navalny.design/46125502363g0rbp.pdfIn PDF document text
    • http://characduwe.space/cork_board_sheets_4x8gnis2.pdfIn PDF document text
    • https://cdn.sqhk.co/kogexuwalu/gfhhGgh/interface_definition_document_template.pdfIn PDF document text
    • https://cdn.sqhk.co/dofewijoras/iXidOha/umconnect_university_of_montana.pdfIn PDF document text
    • http://supportcopyright.net/cetoacidosis_diabetica_fisiopatologia_pediatria9d2w0.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/jujojomojemiz/green_nature_background_hd_wallpaper.pdfIn PDF document text
    • https://s3.amazonaws.com/baxegezivumi/31766695951.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ab495602-d1c4-439d-b0a7-831238bab4c3/pixerekixar.pdfIn PDF document text
    • https://57fc24c6-ba7c-430a-bdae-05304608b610.filesusr.com/ugd/bc9c68_3e448ee0676c4353a4caddb9652495ca.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/xasovewipeje/muzuxotatawizewos.pdfIn PDF document text
    • https://0c2a99dd-71fd-4a0d-b96f-672cfa785c21.filesusr.com/ugd/515c54_c7ae0a4f93d9417c9eaa602cb9ec9a52.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/bupesejirijejus/is_the_princess_diaries_3_on_disney_plus.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/69c47ddb-7743-42b9-b000-69a50f105670/27729872575.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/69461384-6cb5-41f4-9b0f-6266040e465c/how_to_do_work_cited_page_for_a_book.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3d85d6b1-5047-4694-9d20-0ea0d390926c/94745951009.pdfIn PDF document text
    • https://s3.amazonaws.com/tosego/os_coliformes_fecais_termotolerantes.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_off00011c0a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11C0A 5112 bytes
SHA-256: 613058acae87ff45b039854a1b0f68ff3b39597c20210b81fcc9cb2782bb83c8
font_01_sfnt_off00012d8b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12D8B 11080 bytes
SHA-256: 6e408e5e1e4a5863c4175ab2b5ff93e72d54b76f4e46441684b3b1425b4c306b

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