Malicious PDF — malware analysis report

Static analysis result for SHA-256 be631be2811002d0…

MALICIOUS

PDF

47.7 KB Created: 2020-08-09 00:40:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 69b669604697c12c785b7f3938bf6bef SHA-1: 104f9f4e4e74b21c88e21593fb8f4fb3782feb08 SHA-256: be631be2811002d02b0e26d8eac8bd7b34388b4a686589d92cedb3d201236ac5
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=boxing+fitness+training+pdf'. This URL is likely part of a phishing or scam campaign, attempting to redirect users to malicious content under the guise of a boxing fitness training PDF. The document also contains a large number of external links, many pointing to Shopify domains, which is indicative of a link farm used for SEO manipulation or to host further malicious content.

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=boxing+fitness+training+pdf In PDF document text
    • http://files.gilfordphysicaltherapy.com/uploads/1/3/1/1/131164176/jinixupimaxape_bebavasuzox_zepufu.pdfIn PDF document text
    • http://files.columbusmichael.org/uploads/1/3/0/8/130874111/daguxenenusira.pdfIn PDF document text
    • http://furabetal.berkshirephotographydesign.com/uploads/1/3/1/3/131380158/tesugufesoxozexupo.pdfIn PDF document text
    • http://files.choosethetaste.com/uploads/1/3/0/7/130739525/591bbb2418d.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/1/0433/3718/7493/files/22863921150.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0382/2755/files/bomazanosusonuwusezini.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0163/4213/files/pokemon_insurgence_friend_safari.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2131/9839/files/wigininirutolifefuju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4985/1811/files/9581439660.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9806/2501/files/pump_efficiency_curve.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/9029/4437/files/rufafubisozaxonedet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1877/2903/files/puwifezonuso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7957/3408/files/ata_chapter_25.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xibirinadinabamagumib.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8239/1451/files/35483123187.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_off00007cb4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CB4 5296 bytes
SHA-256: a9a9c5e925dc38c51e3345e740e9f9fd28e48cc18727ec9080a2848b62464c63
font_01_sfnt_off00008ed9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8ED9 10288 bytes
SHA-256: a02c65320fa17231d3b8a009d71179095a62a1b71cbce28652c177bdc84c237d

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