Malicious PDF — malware analysis report

Static analysis result for SHA-256 80e7223f26e47f15…

MALICIOUS

PDF

49.4 KB Created: 2020-07-28 02:07:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 621411ed29a44301f8707525dea47b93 SHA-1: d8c2682e1dc9779d5dcbbd8523035435e77443ef SHA-256: 80e7223f26e47f15eaef06f58c9abbc88083655edeff52e2d5f9fd74250395ad
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple heuristics indicating malicious redirector links and a link farm, suggesting a phishing or scam attempt. The ML classifier also strongly flagged this PDF. The embedded links, such as 'https://ttraff.com/pify?keyword=rdbms+interview+questions+and+answers+for+experienced', are designed to lead users to potentially harmful 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=rdbms+interview+questions+and+answers+for+experienced In PDF document text
    • http://files.yogainhornsby.com/uploads/1/3/2/6/132681294/xirovunudato-solatop-wukumonip-dozazavo.pdfIn PDF document text
    • http://files.austinarthousefilmfestival.com/uploads/1/3/0/8/130814687/e8f51490cd8a3.pdfIn PDF document text
    • http://files.wrpthumanresources.com/uploads/1/3/1/4/131452861/lusise-zexupe.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/1/0430/1042/4985/files/sigotudowavavugepura.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wajafaliwufenosikem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bizem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9054/2743/files/dovobikov.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3321/4621/files/41943477241.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1039/1207/files/59161656757.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9823/5289/files/23047971698.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6900/6236/files/sefagusaja.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5676/6882/files/50780857268.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/32686583269.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7668/0870/files/benigezumaxu.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 2

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_off000081c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81C9 5644 bytes
SHA-256: 70db90d39035631c1005f286f50fc9580cb0fae06ef5c37a4320a78689493aac
font_01_sfnt_off000094f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x94F9 10288 bytes
SHA-256: c54af3dfa5b07c4bdf3898f77b1122845e3a667e90463311da71e00505d14ff7

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