Malicious PDF — malware analysis report

Static analysis result for SHA-256 9609bf53b89ca7f7…

MALICIOUS

PDF

41.1 KB Created: 2020-08-22 22:36:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2b48566a476041a259bca7519cb947a4 SHA-1: 8d994b5f36d2ad72327e7be1d73ac7517918a2df SHA-256: 9609bf53b89ca7f751725d643f95c484f93fabcdab5952309e71e6dfd162693a
194 Risk Score

Malware Insights

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

The PDF contains a lure for a resume template and exhibits characteristics of a link farm, with numerous embedded URLs pointing to other PDFs. One of these URLs, 'https://ttraff.cc/pify?keyword=resume+template+doc+free', is identified as a malicious redirector. The ML classifier also strongly flagged this PDF as malicious. The combination of the lure, link farm, and malicious redirector indicates a phishing or redirection attack.

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.cc/pify?keyword=resume+template+doc+free In PDF document text
    • http://files.salmanhashmi.com/uploads/1/3/1/6/131637219/05c67dfa.pdfIn PDF document text
    • http://files.dominicbercier.com/uploads/1/3/1/4/131437932/014a6d.pdfIn PDF document text
    • http://files.michaelabandostudio.com/uploads/1/3/2/8/132814096/1467788.pdfIn PDF document text
    • http://files.thephilosophysite.com/uploads/1/3/1/1/131164472/17c5136cb4b17b.pdfIn PDF document text
    • http://files.ewiechart.com/uploads/1/3/2/3/132302913/gomokiwu-dapewijutufose-jofumuvusu.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/1/0430/1147/3571/files/always_somewhere_guitar_tabs.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6633/6167/files/nugowavojezobolep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3153/5524/files/valobivaboxafu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/depusulolunifanilux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6687/4269/files/92774524625.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1916/6105/files/45560849793.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5255/4657/files/juvizon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8911/4789/files/algebraic_proofs_worksheet_with_answers_gina_wilson.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1734/6976/files/81962464900.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9037/8903/files/775940832.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_off0000648d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x648D 5308 bytes
SHA-256: 9599f5c74dd2455c8a3c3da5f7dc5251a6546dd86d9b8fc6ec50810d53da7d52
font_01_sfnt_off0000767d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x767D 9804 bytes
SHA-256: 6ce1657c2eca4e6cf0dc9d9009b97c90cf5e787071a6f5bb60420993b54c09a3

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