Malicious PDF — malware analysis report

Static analysis result for SHA-256 11e670a462291d84…

MALICIOUS

PDF

44.9 KB Created: 2020-09-20 02:09:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 395984bda7f64b7c023533d352b9b19f SHA-1: c107e107fcc3f3c4a9d12c5780b6cf62aeab9cb6 SHA-256: 11e670a462291d84f6d9aeff65b8c24ba6aa13c98342e7a88e2e6c714c43e7f1
184 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links, including one pointing to known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains a URL that likely serves as the initial lure, leading to a chain of redirects or further malicious content. No scripts were extracted, but the presence of multiple external links suggests a link farm or redirection scheme.

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.link/wix?keyword=reality+through+the+arts+8th+edition+pdf In PDF document text
    • http://vuwomozu.artculturevs.org/uploads/1/3/1/3/131379394/debazemololumobug.pdfIn PDF document text
    • http://fakija.suitlandhsfeasibilitystudy.com/uploads/1/3/1/4/131437375/korumulibogone_dilup.pdfIn PDF document text
    • http://nerugunal.bobkloos.com/uploads/1/3/0/8/130814328/6f5119475aac97.pdfIn PDF document text
    • http://vezezuri.electricscooterrentalorlando.com/uploads/1/3/0/9/130969465/6296e671489dc.pdfIn PDF document text
    • http://widegu.thortorgerudcarpentry.com/uploads/1/3/1/3/131383330/jinadifatori.pdfIn PDF document text
    • http://files.paulmorellimusic.com/uploads/1/3/1/8/131871816/3ba65d7.pdfIn PDF document text
    • http://files.strikezoneacademy.net/uploads/1/3/1/8/131871501/safetobesunujaduf.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/97897646990.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1604/5222/files/69118776331.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8226/1415/files/13366325458.pdfIn PDF document text
    • https://a97ee8a6-d0a3-43a6-a982-3f4ab2c91a4b.filesusr.com/ugd/957eb4_bccefe4cc95941b5812e19490575c060.pdf?index=trueIn PDF document text
    • https://bc2c2216-2a6e-438a-aa98-0aa44bf2f40a.filesusr.com/ugd/66f3f9_750c466a94b24f738bf5a8e7b44b3b91.pdf?index=trueIn 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 8

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_off00006f6f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F6F 5604 bytes
SHA-256: 225234a107a1f0ddd946cb9d658f1286324ecd77104fa2bcaf4c5a30b86012db
font_01_sfnt_off00008289.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8289 10704 bytes
SHA-256: 2c3834502eea29ece17ae10937bedd20380641709d858a9b8ceb195b6e3f8b15

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