Malicious PDF — malware analysis report

Static analysis result for SHA-256 569c4d237867b1e3…

MALICIOUS

PDF

41.6 KB Created: 2020-08-14 02:43:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: bfc9d812f29a7b76f9573374df35a239 SHA-1: fdb7f5c75197cdf75c6f4a6d9d0e4c849534a887 SHA-256: 569c4d237867b1e365a5e252530add29a94b03db207cda4afa84e9b21890b450
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link to a known malicious redirector, ttraff.com, which is designed to lead users to further malicious content. The document body, though heavily obfuscated, contains the same redirector URL and a list of numerous PDF links, many hosted on Shopify, suggesting a link farm or SEO poisoning tactic. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is part of a phishing or redirection scheme.

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=hallux+valgus+xray+report In PDF document text
    • http://files.kevspickled.com/uploads/1/3/1/4/131483255/vetabenes-wiguzif-mokuwijexadolit-vesifepivekavus.pdfIn PDF document text
    • http://files.themusicchord.com/uploads/1/3/2/6/132682820/donunalex_xekediw_pisovosa.pdfIn PDF document text
    • http://files.rcnanorthbay.com/uploads/1/3/1/4/131438453/lexib-niwovexogis-korivu-funefemaxajuk.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/1/0429/2552/3103/files/pelimofutedijuginilukemez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5221/2130/files/storm_brigid_kemmerer_espaol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5487/2214/files/bufapivetinegebuzupaboj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8371/0117/files/jalorofujezegizominifi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2588/2518/files/shopping_vocabulary_exercises.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0027/3830/files/pupedemuwavevigemuwus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5313/7576/files/51788721031.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2837/2904/files/aptitude_test.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3437/7372/files/budgetary_control_techniques.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7565/7125/files/99_names_of_allah_with_meanings_in_roman_english.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7863/9013/files/cntico_de_las_criaturas.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 3

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_off000065a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65A1 5176 bytes
SHA-256: f643656638027f342d4de6066894c569712304f39e9f75cb3b39890f5cc7aa09
font_01_sfnt_off0000775c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x775C 10152 bytes
SHA-256: faaba6b1dbc3686b658548e948f5d41d8072e263ab912a370cc4ae064828cc18

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