Malicious PDF — malware analysis report

Static analysis result for SHA-256 c7267e9801a0f6ae…

MALICIOUS

PDF

77.2 KB Created: 2021-04-24 21:20:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 93cb0af58ab6f2ba20532ea48d1897cd SHA-1: f212c4270850c97387e22ddf3fb49b2ae9f4cacf SHA-256: c7267e9801a0f6ae810928f7c08ca608edb53b0f5477c2acb837a9b6b776bcc6
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 0.9996

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://soxebez.ru/strik?utm_term=nutribullet+rx+n17-1001+blender+canada PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4417205/normal_5fe54d5649dbb.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4478687/normal_603e64b8129ee.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4470537/normal_604ce5e30f89a.pdfIn PDF document text
    • http://mekujoviwe.mypressonline.com/auditorium_section_details.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4469828/normal_600dc7b6983eb.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4390684/normal_5ff3278f31c2f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380072/normal_602f3961990d1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382618/normal_606e9580f3a98.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421787/normal_602070751aeb7.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/84f4e5be-ca9c-451f-a4ff-43f815951ffb/cfa_level_1_mock_exam_with_answers_free.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/67d09957-4e93-4a0d-b580-716585ed075c/27306067130.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3dfde1cc-7a9c-4f69-b034-be02d8099d90/how_long_to_cook_a_pork_roast_in_a_ronco_rotisserie.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/519a5eb3-5780-41a6-a73e-da921895f2d1/zazixaleku.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e0e18d0b-ee88-4276-a922-4af07dcd9edc/zezig.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/75ef4b70-9fb3-49a9-84cf-7be5a268f51c/zivubaratulala.pdfIn PDF document text
    • http://luregaw.onlinewebshop.net/6017079236.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/326044b2-0fee-4dc6-b6f2-059a9c008960/computer_systems_analyst_degree.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/00d078f4-dd55-49bc-b0b2-163b8651fef3/optiplex_780_size.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5b06dd82-1dc1-433b-a173-3519042f558c/nosufomokenakezewak.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/076fa931-266b-43f9-b565-4be96ef7b25d/hp_officejet_4500_desktop.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/65e6f164-3f8e-4ae7-9df3-9ca6e81beb68/vefanaxumumonola.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_off0000ef6a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF6A 5236 bytes
SHA-256: a5d3bf7377c47783a652e38003b977bce9b742b1186d49bc38272ce1082a29a3
font_01_sfnt_off0001015c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1015C 11360 bytes
SHA-256: 6e6777ee1ea93334cf03cfc0fbfec091813a447765918465f0a8f58cf1d647c9

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