Malicious PDF — malware analysis report

Static analysis result for SHA-256 790eb94b98e0aa95…

MALICIOUS

PDF

40.2 KB Created: 2020-08-02 23:14:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: bedd3c84b0f5ae1af1f20c93b75403af SHA-1: 69ff50415e8fa54f7febdc895d1c841c45e40f40 SHA-256: 790eb94b98e0aa951d9ff2c1e2e42fba49801ad2d6837496e41bf265b6ddd7d2
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with a critical heuristic identifying a link to known malicious redirector infrastructure at 'https://ttraff.com/pify?keyword=setting+up+local+server'. The document body, though heavily obfuscated, also contains this URL and references to setting up a local server, suggesting a lure. The presence of numerous other PDF links further indicates a link farm or redirection scheme designed to lead users to malicious content.

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=setting+up+local+server In PDF document text
    • http://files.robinsonelmwood.com/uploads/1/3/1/6/131606546/ec53a.pdfIn PDF document text
    • http://files.multilingualacademybcs.com/uploads/1/3/0/7/130775384/temipaxotuzupem-fujaferajokif-nojibigomez-xamuwokaji.pdfIn PDF document text
    • http://files.jamesgriffithsfilmmusic.com/uploads/1/3/0/7/130775361/695851.pdfIn PDF document text
    • http://files.randirouge.com/uploads/1/3/1/4/131452949/xozagulodituwam.pdfIn PDF document text
    • http://files.martagabrielaphotography.com/uploads/1/3/0/7/130740591/sezobijuto.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/1/0438/1691/1010/files/zilonojuzavelugaj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3804/7384/files/xisewuramatitarotawokigof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0684/3288/files/jiwijevojisax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5183/5801/files/mupawopapodewo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4310/2618/files/buletemunigo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2266/3325/files/51156932819.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3492/6495/files/japipurigef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7814/7491/files/gojaponajexem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3266/4481/files/86893339495.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 5

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_off0000601f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x601F 5264 bytes
SHA-256: 5cb9e66039dbe2ae66dffeabd0191531f7ac2a8e2a10885c82d78bc1f731aeea
font_01_sfnt_off0000721e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x721E 10012 bytes
SHA-256: 4c701cbb8ade580eb9633e6c2d855151bb8958e0d176113c300ad0d06974eaa6

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