Malicious PDF — malware analysis report

Static analysis result for SHA-256 ff6962336b06a973…

MALICIOUS

PDF

39.8 KB Created: 2020-08-01 13:44:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3236004763b0e64cdab6a31c49d425af SHA-1: edea4885e598e7f015ccae80fcf8effeaefe608f SHA-256: ff6962336b06a973953841492515733fbf4abdf31fb4461cb8d5eb8dd09e50da
194 Risk Score

Malware Insights

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

The PDF was flagged as malicious due to a high ML score and the presence of a link farm pointing to known malicious redirector infrastructure. The document body contains the URL 'https://ttraff.cc/pify?keyword=js+loop+through+object', which is a critical indicator of malicious redirection. The large number of embedded links, many hosted on cdn.shopify.com, suggests a coordinated effort to distribute malicious content or phish users.

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=js+loop+through+object In PDF document text
    • http://files.yeagershairstudiospa.com/uploads/1/3/0/7/130739069/8593748.pdfIn PDF document text
    • http://files.zero-waste-warrior.com/uploads/1/3/1/3/131384436/kiligirexamadodi.pdfIn PDF document text
    • http://files.blessingbasketinternational.org/uploads/1/3/1/4/131454116/56e85.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/1/0433/7103/6835/files/45295158758.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8734/0454/files/mozizepubabowosolem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2333/4565/files/97537377566.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3993/8970/files/47847308641.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9212/3560/files/poduroro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3325/6345/files/xakerawi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/titigabibuzumazavuxi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8632/2600/files/33419055363.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4641/1160/files/kofomubogajat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2990/5058/files/kexakowuvak.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_off00005af7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5AF7 5188 bytes
SHA-256: 00cc48c6a7bcf5d0ed99437877c85ac67123de084bb0a61f2667c26ac9b384da
font_01_sfnt_off00006c9b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C9B 11608 bytes
SHA-256: 764535759a9cf9825521938ceece1db860a5e8c966f134900b73f7459869cca7

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