Malicious PDF — malware analysis report

Static analysis result for SHA-256 666f45130e75bbdb…

MALICIOUS

PDF

70.7 KB Created: 2021-04-30 07:54:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-24
MD5: b80acd78f0799fbeacda208feb8582c6 SHA-1: 490e4149e51bf30eff7f8b6657be560cc6be66aa SHA-256: 666f45130e75bbdb2f9741f76325ea9889ea370616486129a08ceb9f93c988a5
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF document flagged by ClamAV as Pdf.Phishing.Trojan. The embedded URL and the document body content suggest a phishing lure related to a 'Whirlpool Canada warranty phone number'. The PDF contains an external URI pointing to 'mezovuduw.ru', which is likely the malicious landing page.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://mezovuduw.ru/strik?utm_term=whirlpool+canada+warranty+phone+number PDF link annotation
    • https://ziziwatir.weebly.com/uploads/1/3/4/7/134713039/virerulixugisidasoj.pdfIn PDF document text
    • https://pusudojajepi.weebly.com/uploads/1/3/5/3/135322366/9ab9b0492d.pdfIn PDF document text
    • https://dijamolilum.weebly.com/uploads/1/3/5/3/135347404/89f93fc0a.pdfIn PDF document text
    • http://doburepos.iblogger.org/72323163038.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/bifadiwuwileji/tosupi.pdfIn PDF document text
    • https://s3.amazonaws.com/wizedumi/sejanizasafusego.pdfIn PDF document text
    • https://17851959-1482-4b49-8222-7b7b0c628459.filesusr.com/ugd/3cb679_e90f6008f4f64eb69afb92eccee5cab4.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/fifomi/how_to_connect_brother_mfc_l2713dw_printer_to_wifi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/05735c67-16d0-442d-845c-daaf1510a716/68597356812.pdfIn PDF document text
    • https://s3.amazonaws.com/diwitapezu/kuvisizagulurijowunulesex.pdfIn PDF document text
    • https://29474179-7c7c-44ae-84e0-3c37792f2e25.filesusr.com/ugd/7f817d_32591948c2a94910bf709da82dc8b965.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/dazuxujepov/pajaro_carpintero_informacion_en_ingles.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b4d6d93e-00ba-4f4d-9b72-51239d15e64f/caballo_de_troya_9_completo.pdfIn PDF document text
    • https://83bd47e3-138d-48d8-8d00-514fe13b91b0.filesusr.com/ugd/c87a2f_ed014c39cedc4184bad5814f854a229c.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/fajujiju/opera_web_browser_android_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/pasutiz/87253551334.pdfIn PDF document text
    • http://wobemiko.epizy.com/64911844183.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/34865330-88d0-43f4-b7c6-1255034981da/novap.pdfIn PDF document text
    • http://gopikobupi.epizy.com/toefl_test_paper.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_off0000d85f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD85F 5480 bytes
SHA-256: 5fe088f0f59d36c398b6f43f97d2df94731227268d965836045d67451a2d137e
font_01_sfnt_off0000eaf0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEAF0 10160 bytes
SHA-256: fbb2011f429f7af18e426658d780e1dc3497b35ae89c97e60915a1757439b454

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