Malicious PDF — malware analysis report

Static analysis result for SHA-256 b5ee69ffb1179b0a…

MALICIOUS

PDF

77.4 KB Created: 2021-05-12 18:29:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: df618407d4829bc5305b1d00ba4b96a3 SHA-1: 592877af2b85ff24b09a96ffde8f3783a1a209fc SHA-256: b5ee69ffb1179b0a158d13aa7e4d5211eaa24b515ca11014558feef83c7453ef
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 0.9999

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://zajinet.ru/strik?utm_term=stock+market+live+stream+game+hack PDF link annotation
    • https://vagoledos.weebly.com/uploads/1/3/5/3/135320004/7fcadad05b85b47.pdfIn PDF document text
    • https://mufixedak.weebly.com/uploads/1/3/4/6/134602267/vogujegapozopi-razefejubiler-bepolibejezet-pawubedese.pdfIn PDF document text
    • https://masudokunu.weebly.com/uploads/1/3/4/7/134731157/a06db5.pdfIn PDF document text
    • https://gulapizebulo.weebly.com/uploads/1/3/1/0/131070336/36accc493.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4492286/normal_5ff6619019659.pdfIn PDF document text
    • http://wedarew.iblogger.org/89344795714.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4419849/normal_6009ddc9917b3.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4491173/normal_6008a666681d3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4452161/normal_603400fc05c74.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/mujevubutukoxu/why_is_my_furnace_blowing_cold_air_on_heat.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0882db67-f69f-43a7-96a4-2119e9c57049/que_son_los_medios_de_comunicacion_en_informatica.pdfIn PDF document text
    • http://bezixezejagu.rf.gd/epidemiologa_social.pdfIn PDF document text
    • https://s3.amazonaws.com/zebarufuridorur/88271219194.pdfIn PDF document text
    • https://s3.amazonaws.com/lolijexejomak/what_word_means_not_taking_sides.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/79fd8d07-2201-479d-83d8-9ba73cfa1161/cyberpower_cp1500pfclcd_best_price.pdfIn PDF document text
    • https://s3.amazonaws.com/xapijifas/73534874920.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_off0000f04e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF04E 5440 bytes
SHA-256: 57609320566d70ea0ed2863d1adb5346b85f570a57f8e8a8f9817c6080654db0
font_01_sfnt_off000102ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x102AC 11252 bytes
SHA-256: 60f8f87df2284bbcb7fbfdbe796bf47960112b487512b8a854d2b6fbfc602ab5

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