Malicious PDF — malware analysis report

Static analysis result for SHA-256 09a0ebe3b593cfee…

MALICIOUS

PDF

80.0 KB Created: 2021-05-31 04:03:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 46ec3c8695bb74d1a692617d43624cf1 SHA-1: 9df934359b9bb1929b1bd856fa486f7c101b5846 SHA-256: 09a0ebe3b593cfee2cc86e3fe37de2e9224de6cbe5ea973d0f966be53089c9d3
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 0.9995

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://ponafet.ru/strik?utm_term=que+significa+la+palabra+ciza%25C3%25A3%25C2%25B1a+en+la+biblia PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4367947/normal_5fdef1dc15b68.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4443329/normal_6046d9bd630ff.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4401696/normal_5feaeb61d4992.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4493266/normal_6000a1c85aa60.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4365591/normal_5ffa4ccec2169.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366961/normal_5fdbec3c46305.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366660/normal_6025f6e77ad44.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450884/normal_5ff97088e9242.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4448115/normal_604343eb7a431.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371004/normal_5fdc5ea2aadda.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384825/normal_601387d5a6ad3.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4385412/normal_5feb724ba8bd8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409628/normal_60518918ec044.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/87c66b94-c8a6-47e6-b244-ea06fa62befd/wojetobowulusa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2ffb6a1b-e099-46f8-b943-6d8856b00337/1995_skamper_pop_up_camper_specs.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0c07a6ad-b442-4dec-9aa6-4ca09100ebc3/gareth_morgan_images_of_organization_summary.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/20d7b473-1936-48f9-9a36-8aabff24b7ab/80731293998.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e437f638-6f4e-4679-beb6-9388a1809f07/metroid_prime_2_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b96c7a9b-70d1-4f02-a671-bb651e610634/seiko_prospex_solar_divers_200m_sne437_sne437p1_sne437p_mens_watch.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fa193cb0-2166-4920-82b3-5affb9413023/stars_classroom_comment_codes_2021.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0b3be84f-94dc-4155-af13-f25759b7345a/duguludu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bf74bb60-5f98-41d9-ae18-0b27ae482b8f/dorizimefod.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_off0000f549.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF549 5820 bytes
SHA-256: 155e91618b6a347cbbec8cd4663eb2c1fbb3d34a07a190e82897b4c06a7ea051
font_01_sfnt_off000108ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x108AD 12048 bytes
SHA-256: 156f0efa1dd41fabdb1f63bf61bc16cd1d5115a65e112ef63257387fb3f6e5ab

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