Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3ed4bff46e37d1b…

MALICIOUS

PDF

78.5 KB Created: 2021-03-15 10:50:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-20
MD5: 690888cb2d2c872e3791cacf567489a6 SHA-1: e2dda68ba9665890141b475e76bb297c53550d57 SHA-256: d3ed4bff46e37d1b0a0ee0ce73cb5aa36cfb7282f2924ea49d8eb90bc7a24922
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://jumiwimov.ru/wb?keyword=tabla%20periodica%20actualizada%202018%20pdf%20con%20valencias PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4385410/normal_5fe449af6b210.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375342/normal_604a15f73fe21.pdfIn PDF document text
    • http://sisogelodaze.medianewsonline.com/sedamezuzapezimefifi.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4402724/normal_5ffb4c61e7be8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373757/normal_604bb848dd3ee.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://1e8c0764-4a0f-46ab-84a2-5f63a8a44928.filesusr.com/ugd/6a0acf_79b5b438adab4310a6a244601e284127.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/3eef3890-8fb4-4b74-a6c2-59de24b0f964/6612384734.pdfIn PDF document text
    • https://s3.amazonaws.com/kuxuxemu/43041912045.pdfIn PDF document text
    • https://s3.amazonaws.com/lusabifef/10738305266.pdfIn PDF document text
    • http://kisuneronebel.rf.gd/grandstream_gxp1628_datasheet.pdfIn PDF document text
    • https://s3.amazonaws.com/gedesisumi/hoover_steamvac_spinscrub_carpet_cleaner.pdfIn PDF document text
    • http://folavoxisunul.rf.gd/acer_aspire_v5-431_bios_setup.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/094629fe-3480-406d-8d08-e19b24a7187e/tutorialspoint_asp.net_interview_questions.pdfIn PDF document text
    • https://s3.amazonaws.com/fezenur/xojuwerupikojab.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2715dfc4-64f6-4ca9-ac2f-fa40f831824d/how_to_setup_sandisk_wireless_flash_drive.pdfIn PDF document text
    • https://e8b83640-91e4-44a0-a69f-c2468797902f.filesusr.com/ugd/ee4a13_7c0623283fb2443f872469e995d61005.pdf?index=trueIn PDF document text
    • http://nufakakifitoj.rf.gd/biochemistry_krok_questions.pdfIn PDF document text
    • https://459fb65c-52af-4c88-885a-43a44fbeaf25.filesusr.com/ugd/6a7407_79032d111cdd4f0f8f9caa5127cd1ef6.pdf?index=trueIn PDF document text
    • http://jabodegodonirad.atwebpages.com/zixodafudulirufisozina.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b397475d-d540-4416-bf3a-e315177c03ac/28368814020.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_off0000f0c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF0C6 5868 bytes
SHA-256: 17e4d3f2e34f921bbdd29a7d260dc810b6a60419fca55b4414a3859d61a15e3d
font_01_sfnt_off000104db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x104DB 12220 bytes
SHA-256: a579f72189c34a3a052fb268b623c3d6cb3439a4f86e08646e9205e398b574bb

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