Malicious PDF — malware analysis report

Static analysis result for SHA-256 117426849e685474…

MALICIOUS

PDF

36.9 KB Created: 2020-08-02 22:32:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6e6f8068f02022e2196daa40d13cba32 SHA-1: 878cbe2a7eec7f93780661ddf185719143ede335 SHA-256: 117426849e6854744d7adba0b7f67a74593e60305e8644fc2bdfb1600e5cec7b
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, many pointing to Shopify domains hosting other PDFs, and at least one critical link to a known malicious redirector. This suggests a link farm or SEO poisoning tactic to drive traffic to malicious infrastructure. The ML classifier also strongly indicated maliciousness.

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=tyroil+smoochie+wallace In PDF document text
    • http://files.catcatblog.com/uploads/1/3/1/4/131452878/129315c.pdfIn PDF document text
    • http://files.jmshairdesign.com/uploads/1/3/1/0/131070918/kadepepud.pdfIn PDF document text
    • http://files.cliftonspringsps.vic.edu.au/uploads/1/3/1/4/131406386/2410335.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/1/0427/9386/1279/files/66504460268.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7195/3301/files/ganufumeniradibezederov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9850/5377/files/fosapegufowuzeribumin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5733/9807/files/98358472563.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7849/2062/files/wewaratevanil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1588/9305/files/wotobusefotasuvuxudore.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5180/9949/files/99880225008.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2117/2897/files/midoz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/5152/1947/files/60998615336.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8817/4497/files/xobipemevedoxeno.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_off00005304.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5304 5180 bytes
SHA-256: 7e58be59205bc84c92d023535d991f1210cb60f51f68e0a677ae6c17a71b8b80
font_01_sfnt_off0000648d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x648D 10212 bytes
SHA-256: 3f8f20716013982ea5ef36aa82c54c2016e3243fbff1080048b1c02690ddaeba

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