Malicious PDF — malware analysis report

Static analysis result for SHA-256 47886d1597248eb3…

MALICIOUS

PDF

52.9 KB Created: 2020-10-03 06:42:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-20
MD5: e71bbac56c0f4b907b249e25c77b67c1 SHA-1: 9378dc01098610e46c6c7cbe2e35a18577b1eb1b SHA-256: 47886d1597248eb311bf7ed107817782fb4e2bf6edd4a53da81f740578f6b373
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://gettraff.ru/strik?keyword=bluetooth+win7+suite++for+hp In PDF document text
    • https://site-1038349.mozfiles.com/files/1038349/kovuditojotamogomebalaxal.pdfIn PDF document text
    • https://site-1037202.mozfiles.com/files/1037202/lafedawekavevawowum.pdfIn PDF document text
    • https://site-1039632.mozfiles.com/files/1039632/vulilol.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/86d03cd9-d129-4790-b5f4-9d50308b4b7c/laviwofaxulixadaguwe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/474bad4e-042d-40a3-b09b-5d21fceaae4e/nipogajukud.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f5f481d1-316a-4b84-a4db-bf42d259f955/45396931763.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7e6c092d-e60b-4d55-890a-0d13448ae388/wizuxuwipukovurakini.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/781cffcc-7c68-45aa-9255-9a0c1bf62b64/najagixa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c3a70cf8-ab25-4139-9541-8d8176faf1a8/vijowogegepajeke.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/760f72c3-df43-40a0-9f62-e0815848c208/12600262733.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4745/1798/files/kik_apk_mod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8004/7010/files/business_analysis_case_study_examples.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0482/2984/3098/files/magna_excitor_bike_26_price.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0318/3258/files/programming_erlang_software_for_a_concurrent_world.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0499/8312/7712/files/free_body_diagram_worksheet_with_answers.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_off0000884b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x884B 5000 bytes
SHA-256: 2a304ec06cb8cab7643fe8f9716d9f5251e0eaab65571d6453cef44b6c907bab
font_01_sfnt_off00009968.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9968 14228 bytes
SHA-256: 10624a3d98dd5a6e7c09eeac6c380959ccefbf8e08f85b5eaf2ac1dcd810d238

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