Malicious PDF — malware analysis report

Static analysis result for SHA-256 78295e7686d8a24f…

MALICIOUS

PDF

49.5 KB Created: 2020-10-19 04:22:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-16
MD5: 4294f3feeb5c248f14a730f8732f81c5 SHA-1: 535c7d2e7db49ac5ca50f1ef260bdf564c15ea54 SHA-256: 78295e7686d8a24f2908fb9464aecf718a4d7a55ba63e103116ecccdc938be9a
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://ggtraff.ru/wb?keyword=berger%20y%20luckmann In PDF document text
    • https://pejopazuzaguwoz.weebly.com/uploads/1/3/2/8/132815183/xudiletafini.pdfIn PDF document text
    • https://jobubati.weebly.com/uploads/1/3/1/4/131453688/ca710ab8dee.pdfIn PDF document text
    • https://walijogopabo.weebly.com/uploads/1/3/0/7/130776167/5300225.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4372360/normal_5f8a110c38a59.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366306/normal_5f877ef2bc745.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/bdb92d65-aecb-4c74-a893-464a8337adca/vofedevorurasozaxukeb.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5a5a4f2b-af1e-4830-bb3d-be374d3f6955/pofaxomobi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7d57708d-b0ac-47a7-aec2-710b6f6f0066/66526172231.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/49c16849-792a-40d7-be3a-1f8c24008f58/gafojibane.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/375d1b52-de0a-46d5-a1d2-7c1f99ad21ee/20903667140.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6e476fc9-5040-46c1-8d2a-6ac4df018c06/foroditirawuvipep.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0fc35977-0c09-437b-8c77-636996840f53/57806036679.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e00e5c90-b38e-4370-9c2c-18946dddaeb8/pegaditu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b661bb07-2f97-4a1a-93dc-eefc06aa34f9/78718386055.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1ccfeaaf-b79c-47f5-81a6-a525f3523952/mubanolesomip.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/743f814c-df95-4557-9a06-dcc0b5747b18/perejebo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d1fe1d9e-7d5d-41c4-8db5-56738e5849a4/28176775744.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/00203860-6884-4d91-8a1a-2b49e51f8008/remupuxifozum.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cd7e1502-dee4-4cc5-a624-72f4722d9e8c/7009643456.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f1f9b22f-f49e-4194-91eb-d863b094885b/wiverizekizujozojegimot.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000749b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x749B 4800 bytes
SHA-256: 7760514089468c7b6184eb454ed775ddd427e1af5b0e92a685841dc6a2a5feb9
font_01_sfnt_off000084d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x84D5 12160 bytes
SHA-256: f000ec07a2094ddd2de109022306a78786bae50556dc1ae0eb649c64418d549e
font_02_sfnt_off0000a981.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA981 4324 bytes
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71