Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa8597be39b73a53…

MALICIOUS

PDF

43.8 KB Created: 2020-10-17 23:00:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-06
MD5: 9a01506078a70fbeed4390e1f9d0182c SHA-1: 799731b62104e396911782621a0b19df511dd906 SHA-256: aa8597be39b73a53b1c375678bc2a90364758bc3578dcf856ad3b565effe7b31
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://ttraff.cc/123?keyword=textview+button+android+example In PDF document text
    • https://tenabawik.weebly.com/uploads/1/3/2/7/132710661/monomomazaxum.pdfIn PDF document text
    • https://fanawilixu.weebly.com/uploads/1/3/1/4/131408209/9845282.pdfIn PDF document text
    • https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/4503832.pdfIn PDF document text
    • https://nogafuku.weebly.com/uploads/1/3/2/8/132815296/5740840.pdfIn PDF document text
    • https://tumixivig.weebly.com/uploads/1/3/1/6/131636813/felor.pdfIn PDF document text
    • https://kafasomawupi.weebly.com/uploads/1/3/0/7/130775431/pokerenedima-zutofi-kipijot.pdfIn PDF document text
    • https://zimiduninu.weebly.com/uploads/1/3/1/6/131637103/9402018.pdfIn PDF document text
    • https://nudojafobedem.weebly.com/uploads/1/3/1/3/131379550/1e853a82f77fdb.pdfIn PDF document text
    • https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/tixobenudofezibet.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369518/normal_5f896265b8c33.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366306/normal_5f8720236fff7.pdfIn PDF document text
    • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/9653445.pdfIn PDF document text
    • https://kidunaxu.weebly.com/uploads/1/3/1/4/131437100/6119011.pdfIn PDF document text
    • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/jatelu-zukolugaw.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/7390cbc7-539d-4426-8bdf-37b3269e0d89/88029581767.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/530aa0f7-fcb0-4a2e-94d9-eef012a909a4/xawavuvajubuleluxibiko.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0501/0355/0106/files/step_by_step_bootstrap_3.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3526/3130/files/mickeys_speedway_usa_huey.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2683/1784/files/walgreens_free_print_code.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0465/2780/7646/files/83774757612.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0497/3890/7809/files/36337732093.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_off000064a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64A7 5236 bytes
SHA-256: 8a09c54f5aa286992e39c88f533aa8861ad16628ad41ce66d367cd19f9c136ce
font_01_sfnt_off0000766d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x766D 13576 bytes
SHA-256: b6717799b8d3333bb372ac5cedd59932411a54146038e9ea04398d83f850d696

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