Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ac53086dcd14ab3…

MALICIOUS

PDF

41.4 KB Created: 2020-09-18 08:06:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 00e02e50fbf6ac193dcb564cad559683 SHA-1: f4855468e38d0fe1da2a6d381992ef30527ba317 SHA-256: 3ac53086dcd14ab3d303cc44510480c8e0bea958d14692da2d9dcb927fafcf7f
192 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a lure for a free manual download, which is a common social engineering tactic. The document embeds numerous links, with one critical heuristic identifying a link to known malicious redirector infrastructure. This suggests the document's primary purpose is to redirect users to malicious sites, likely for further exploitation or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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.me/wix?keyword=2002+suzuki+gsx750f+manual+free+download In PDF document text
    • http://miwagi.eventhampton.com/uploads/1/3/0/8/130873843/6735177.pdfIn PDF document text
    • http://bivovim.elimpetaluma.org/uploads/1/3/1/6/131606228/zopewivisulapepito.pdfIn PDF document text
    • http://tefef.jdbscholarship.com/uploads/1/3/0/9/130969744/416827.pdfIn PDF document text
    • http://wigaforu.rivervalleytcf.com/uploads/1/3/1/8/131857445/vubuwo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://520b49a0-2a5c-4d11-9ee8-bfd2953c013b.filesusr.com/ugd/7a359d_ecb584b6a12449e7b7fbaf70602c5f50.pdf?index=trueIn PDF document text
    • https://d126c9cc-8383-4d79-9706-81b291f9c130.filesusr.com/ugd/7e84b7_d89c57bedcfd40c7ab34711793901367.pdf?index=trueIn PDF document text
    • https://c6f9ce5d-a32c-4a75-a325-ba53e932ba0d.filesusr.com/ugd/930050_af55e2cc5b254c56b5388f506e858a7b.pdf?index=trueIn PDF document text
    • https://db648a54-d9b8-4bed-b03a-cca0d7822b32.filesusr.com/ugd/95bb70_e0e9f2bc9fe94bbe9c98bf957634ef89.pdf?index=trueIn PDF document text
    • https://81e79ea6-b50b-449a-aede-b573c3ccb0f3.filesusr.com/ugd/95ea6b_4ef341dd201e44aa8e51747fa6987ca4.pdf?index=trueIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0553/4620/files/xedozilitajopir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4670/7104/files/40707594408.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9005/1221/files/34671951856.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

Related samples 1

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000058ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x58AE 5884 bytes
SHA-256: e66c8553813ac623aaa1f591003e37b12ea39225b0031843f3c8a08ccd719810
font_01_sfnt_off00006cd5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CD5 14000 bytes
SHA-256: b8c8c3005f31aae0dbbd60cff6d7e036584c2bada597a8144eba2057c095ac4d

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