Malicious PDF — malware analysis report

Static analysis result for SHA-256 7822e4ce295cec21…

MALICIOUS

PDF

40.1 KB Created: 2020-10-25 22:54:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-16
MD5: b63c5e82c9785bd29f472608d615ca98 SHA-1: 999e9151908564210ee2a8aa3b7098ec53d9e37e SHA-256: 7822e4ce295cec213015c1d31fd882bc4832bce1c2eea3abe6e8acc5c469e1ee
184 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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/wb?keyword=piscine%20semi%20olympique%20pdf In PDF document text
    • https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/199877.pdfIn PDF document text
    • https://nanorobudilason.weebly.com/uploads/1/3/0/7/130775181/4792022.pdfIn PDF document text
    • https://naxedomabaxa.weebly.com/uploads/1/3/1/6/131606472/jenovegojikivoniture.pdfIn PDF document text
    • https://rubavuwo.weebly.com/uploads/1/3/4/4/134403239/fozemuvekabu-basixaduze-natelo.pdfIn PDF document text
    • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/1477465.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369794/normal_5f893383f28d5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368226/normal_5f883bf6aab88.pdfIn PDF document text
    • https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/5e7f5686d0.pdfIn PDF document text
    • https://dokakida.weebly.com/uploads/1/3/1/3/131380589/4354424.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/4d65d8a3-6092-42ba-9916-04a51d411e27/5725403600.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/62976726-a1ab-4e36-ad57-7dd62a8a8ec6/duxan.pdfIn PDF document text
    • https://s3.amazonaws.com/fadedosi/82386391745.pdfIn PDF document text
    • https://s3.amazonaws.com/zuxadol/badenifole.pdfIn PDF document text
    • https://s3.amazonaws.com/lewuli/afcat_answer_key_2019.pdfIn PDF document text
    • https://s3.amazonaws.com/bopuxosavubare/heartmath_brain_fitness_program.pdfIn PDF document text
    • https://s3.amazonaws.com/xanebavifamopez/pexawewi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5bbb7775-b07c-4d7d-85ec-990f6ce82d1a/40240088672.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7a5a16d2-0983-4b7d-9030-e266deabbd63/beauty_behind_the_madness_zip_shareb.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c92a98a3-442d-488f-b5e5-4d357fb4c398/2012_ford_f53_owners_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6653d7fc-6d95-4d97-9ba5-59229148ccc9/8_comma_rules.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0b059582-cba2-4149-b80b-44e21457574f/juwixufivimajeka.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_off00005ae1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5AE1 5224 bytes
SHA-256: eed8ae5c08422437b269af9963313d3a66d79d79e8212ce7d9dabe0242ec162c
font_01_sfnt_off00006c94.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C94 11432 bytes
SHA-256: cf77eaea6da57137c30a819994a7e2f30a58c5203e0be91225b38335f189361a

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