Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d8b8e1489a99dcb…

MALICIOUS

PDF

69.6 KB Created: 2020-12-04 23:50:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-18
MD5: 6e4e26ed27de392f28536111676f4d74 SHA-1: f056c21d792ff2d498441c7c0baf0a42b445a748 SHA-256: 5d8b8e1489a99dcbce94d68d3b9cbb804c8f92bb5cb55937919bbbc489d2d344
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://cctraff.ru/strik?utm_term=lego+star+wars+3+cheat+codes+wii+characters In PDF document text
    • https://cdn-cms.f-static.net/uploads/4454967/normal_5faa0063ed296.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/d269a2c9-89f0-4801-a0e6-db72bf7569f2/28671081021.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc16b11c6229360ecb0a135/t/5fc618ac3c02f22b9ddd3040/1606817964964/geligikifizegusu.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0d67b8ef7301f8b106140/t/5fc95cb21e0f90735d44ec92/1607031987622/ding_dong_the_witch_is_dead_thatcher.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc57f453398ff75154cec93/t/5fc70cce48d5672cfb359cc2/1606880463888/best_free_voice_changer_software_for_windows_7.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fe848379-09f6-436c-8cd0-42fbbebebea9/how_to_find_mrts_from_production_function.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/83f1dc3f-9c41-4a87-8446-0d5f58045d64/71617930892.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a6e99eac-3c5c-4226-96a1-010cd140dbf2/4009404384.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0e335a5bc066edfa5a857/t/5fc15a7de6d49a06bbc4dae5/1606507133854/libigisozisesi.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd2ff2c23b2b0938fbe3ea/1606234098662/82981293218.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7832c5ed-7fcb-43fb-94e8-a7ff3b1a6b39/dibaxikomifebuk.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/efb848bd-6404-408b-a4c9-1244c680768f/modern_game_bantam.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbcf7ac8cb11b25c09b8217/1606219694094/16714725575.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a55ad8ea-a7be-4133-af09-399a0577bc17/lumabalomadut.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0cf3a5e8e827d428d5c84/t/5fc1217e1972c46e3cc6c233/1606492548248/comic_competition_2017.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/66fc6d86-4962-4c1a-940b-3f8d13fc5174/fupifez.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_off0000d3a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD3A5 5364 bytes
SHA-256: 92b7379e98a7f5299314041d3b3e9a5470b3066fb65e4e71b23b6f88b93ad98a
font_01_sfnt_off0000e5f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE5F8 10492 bytes
SHA-256: 8baba001b96d04e74a441eaa097693b626e68a5608ced4c33fc5e2ef88a7c4af

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