Malicious PDF — malware analysis report

Static analysis result for SHA-256 b8e88f1ab597d608…

MALICIOUS

PDF

49.0 KB Created: 2020-08-16 18:17:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5027cf6a908356d7a0d116a37a20c6e9 SHA-1: 80ab53f2e39906001ced5ea6757ddc1c947a5720 SHA-256: b8e88f1ab597d6088ae8da3aabc223c0af46cab0fa221c663243ce51384ea512
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 PowerShell

The PDF contains a link that redirects to a known malicious domain, disguised as information about a vehicle's engine number. The PDF also contains a large number of external links, many pointing to Shopify domains, suggesting a link farm for SEO manipulation or to host further malicious content. The primary malicious IOC is the redirector URL.

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/pify?keyword=vehicle+information+by+engine+number In PDF document text
    • http://files.gemscorner.org/uploads/1/3/1/4/131437295/gunuxegevuridibiboku.pdfIn PDF document text
    • http://files.bobadneystudio.com/uploads/1/3/0/7/130776499/2448495.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6702/3259/files/mexidolup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6132/1634/files/28317640145.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0063/5290/files/bemaninaxufudivix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0350/1989/files/2020_calendar_with_week_numbers_printable.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5638/9528/files/razog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1175/1588/files/56747793379.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7218/3710/files/91801868923.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1980/4567/files/fofegenir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7467/3057/files/78033806780.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8788/8551/files/tizazopuligefawo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8594/5246/files/baixar_curso_de_ingles_em_gratis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7473/8581/files/57218561642.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 6

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000074de.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74DE 5204 bytes
SHA-256: 98df58716bbbb99c0d618497e717374421b0b524280e073ce2e513720cbabdea
font_01_sfnt_off00008668.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8668 10012 bytes
SHA-256: 4bd7ad244715ddd0d46d1f328f0841e0a5e770671f6dde1b10ae3969f4e9de02
font_02_sfnt_off0000a8ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA8AC 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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