Malicious PDF — malware analysis report

Static analysis result for SHA-256 7444e22ebbf174dc…

MALICIOUS

PDF

51.7 KB Created: 2020-08-22 13:49:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a9d32a83e0688decf13be439a21bc73e SHA-1: 6b6d6473244d1f64486f22532a563d5275c2c343 SHA-256: 7444e22ebbf174dc0d4ca617a2823edbf25a5208209f82f6660e513dd5732cd9
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, including one pointing to a known malicious redirector at 'https://ttraff.com/pify?keyword=hogan+assessment+sample+report'. The document body also contains this URL, suggesting a lure to trick users into clicking malicious links. The presence of numerous other PDF links, many pointing to Shopify domains, indicates a link farm designed to obscure the malicious redirector. The ML classifier 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=hogan+assessment+sample+report In PDF document text
    • http://gikaf.embracefoundationgallery.org/uploads/1/3/1/4/131453197/lukajujabel.pdfIn PDF document text
    • http://padajoxot.stephaniepercydoula.com/uploads/1/3/1/8/131856374/vavuzisopelix_tizorifipijinuw.pdfIn PDF document text
    • http://zolinana.biggs-group.com/uploads/1/3/1/4/131438477/sikepesipanuxop-ladokuxeso-xijabixinen-pekigadawufi.pdfIn PDF document text
    • http://tivewi.townofhafford.ca/uploads/1/3/1/3/131383648/paxisivewera.pdfIn PDF document text
    • http://files.hollywood-resumes.com/uploads/1/3/1/4/131453818/2afa15d7e2.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/1/0433/4295/4651/files/77212753012.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8295/7478/files/how_to_use_terminal_on_windows.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0157/7625/files/4890075096.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7259/4844/files/46975582918.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2875/0234/files/44933811559.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9721/0532/files/54840057873.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6197/8023/files/77720331719.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6577/0135/files/44824293994.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0614/8255/files/sazujabivi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9469/5329/files/55847999709.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 6

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_off00008ca1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8CA1 5100 bytes
SHA-256: c1952ad2ffdfe56c5d11197ab0cb69dd3b686d758b8927362e1ec38478ce5e7f
font_01_sfnt_off00009de1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9DE1 10716 bytes
SHA-256: f7c8b193e50973065e038f992c932feaedc446ab380b0dc667141190f89342e8

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