Malicious PDF — malware analysis report

Static analysis result for SHA-256 334eb96d7965f2c0…

MALICIOUS

PDF

41.8 KB Created: 2020-08-20 21:49:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0b50c02e86899598ba441db71edb30f0 SHA-1: dfa6d8196a0c36debc20dea07e4562d8e149c43c SHA-256: 334eb96d7965f2c024ecb07226eb89eea3782562686880bec8c29c21c8b40821
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

This PDF file contains multiple embedded links, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The primary malicious URL identified is https://ttraff.com/pify?keyword=dress+code+semi+formal+wedding. The document body, though heavily obfuscated, contains this URL and other links, suggesting a lure to external malicious content. The ML classifier also strongly flagged this PDF as malicious.

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=dress+code+semi+formal+wedding In PDF document text
    • http://jegulo.fabriccreationsbyandrea.com/uploads/1/3/2/6/132681396/91bb65d.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/1/0440/8888/5413/files/52612883542.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3694/2234/files/remove_docker_images.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4828/7912/files/city_of_heroes_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6936/5654/files/ziwuvufonodajemilufu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3019/8937/files/93415089629.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3015/0309/files/89617588522.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/9589/5707/files/apex_legends_character_guide_deutsch.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8524/1245/files/vawujigobibovivikowi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6219/0499/files/flow_meter_calibration_certificate.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2892/9945/files/gipefan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9808/7328/files/89004164762.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2630/7480/files/wosekaxenetiw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3987/3429/files/chisel_and_plane_blade_honing_guide.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_off0000654c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x654C 5432 bytes
SHA-256: 8c710f25aac739d905eda5e1eace509fed28d53167ea2841959f2ba2e6f5d787
font_01_sfnt_off000077be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77BE 10332 bytes
SHA-256: 6d30c03ea4bc312a7601cc86d0e9996a46dbd5285a4515069bf8372495d3332a

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