Malicious PDF — malware analysis report

Static analysis result for SHA-256 84716598f73ebd4c…

MALICIOUS

PDF

75.5 KB Created: 2020-12-05 01:50:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-04-06
MD5: 206594b44a8d744c4f9fef7012130079 SHA-1: c288fdd00f2acc927da3c44c14fdc0aa87323318 SHA-256: 84716598f73ebd4cf330df2d45cf0c72c99d56cfa43e6ccc22cc1071076ba22e
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://s3.amazonaws.com/vibasujefir/2992633899.pdf In PDF document text
    • https://s3.amazonaws.com/xapijifas/search_a_file.pdfIn PDF document text
    • https://s3.amazonaws.com/salosibejodod/53212175606.pdfIn PDF document text
    • https://s3.amazonaws.com/ruzumeb/bond_energy_practice_problems_with_answers.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4404122/normal_5f92264123a5f.pdfIn PDF document text
    • https://trafffe.ru/wb?keyword=nationaal%20vergiftigingen%20informatie%20centrumPDF link annotation
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000dbcb.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000dbcb.bin)
    • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off000112a5.bin)
    • https://uploads.strikinglycdn.com/files/8e626d40-b658-4252-b272-344fa5d39cd8/tatopoganidivamino.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d8078080-7f56-4e34-8c6d-123909f75b17/ring_of_revelation_hobowars.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc580a188c99b6d37c677f9/t/5fc9d93981b71b408597f5b0/1607063867472/73938904179.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5dbfa6af-6fec-4a4b-8c9e-edbbaac8ccd9/1104025103.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7c491b0c-36cf-49db-8536-4d9ef14e7b2f/43023441856.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4f951dd8-c2a4-4e27-b011-1f818c2e0f1b/67723601061.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 extracted file (font_00_sfnt_off0000dbcb.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dbcb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDBCB 4932 bytes
SHA-256: 3683e416a9d7306a711f805df45b6ffcf070194397a6f17dddc2e79c934c9e74
font_01_sfnt_off0000ec89.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC89 11296 bytes
SHA-256: 5ad93fd308ab2ccf859c3e24e178ac4101350be6a9b8e4b0355cb15a4394caa5
font_02_sfnt_off000112a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x112A5 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e