Malicious PDF — malware analysis report

Static analysis result for SHA-256 df0c58bedf78cf29…

MALICIOUS

PDF

44.1 KB Created: 2020-08-03 14:43:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8321a8ffd3abce044b56598bc8a7ee59 SHA-1: eccbffab9fe397860ab54894e909634f59e9cda1 SHA-256: df0c58bedf78cf291f1ead49dcf3e133d0c60551216b6cd40e3d1775f03a86d3
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file exhibits characteristics of a link farm, embedding numerous external links, with a critical heuristic firing for a malicious redirector. The primary malicious URL identified is https://ttraff.com/wb?keyword=liberian%20history%20from%201847%20to%20present%20pdf. While no scripts were extracted, the PDF structure and embedded links strongly suggest a malicious intent, likely for SEO manipulation or to redirect users to malicious sites.

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://ttraff.com/wb?keyword=liberian%20history%20from%201847%20to%20present%20pdf In PDF document text
    • http://files.mattiegraceboutique.com/uploads/1/3/1/0/131070561/f1a5ba233d.pdfIn PDF document text
    • http://files.reinventeddestiny.com/uploads/1/3/0/7/130738554/zupavodeb.pdfIn PDF document text
    • http://files.blackstrait.com/uploads/1/3/0/8/130813747/luwup_botenimozix_pitokifelax.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/1/0427/5788/2022/files/42878906246.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2476/9436/files/japarotivepowepapefikefux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0118/3384/files/xurorugatobuvajatumide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jedufejaselikaruratemop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9819/3573/files/jibutevafinovinex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1653/5720/files/2204355_i_m_feeling_lucky.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8005/5965/files/57643848427.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5033/5384/files/70920283614.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/37741658126.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9109/0844/files/nazipomikulikomelelebiwu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3636/8296/files/25585837302.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2350/6336/files/17395477767.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3550/8387/files/book_of_mormon_hello.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2666/8952/files/xurikaresegaza.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 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_off00006c24.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C24 5848 bytes
SHA-256: b366780afab0843f86101734ce4fa20d331014e7fc45dbc3522e817f49f0b1c2
font_01_sfnt_off00007ff7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FF7 10128 bytes
SHA-256: ba2662076233d93bc83690aedd0782db540cab8913c57a3962a5794876291f5b

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