Malicious PDF — malware analysis report

Static analysis result for SHA-256 d1563d17f973cff9…

MALICIOUS

PDF

37.1 KB Created: 2020-08-21 10:54:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ac5189672ec82b4d57d4e9a5014d6f74 SHA-1: 65117e6941c694e508c9d666da489fb6e76c874f SHA-256: d1563d17f973cff9cd9de6c79cc6f981749d4df74ceb29768e26fa48edb9a488
194 Risk Score

Malware Insights

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

The PDF contains a link farm designed for SEO manipulation, with one critical link redirecting to malicious infrastructure at 'ttraff.cc'. The document body, though heavily obfuscated, appears to contain the same product lure as the malicious URL. The presence of numerous benign-looking Shopify links suggests an attempt to blend malicious activity with legitimate content. 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.cc/pify?keyword=tissot+prc+200+quartz+manual In PDF document text
    • http://tumaru.neverwares.ca/uploads/1/3/0/7/130776688/patev.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/1/0431/6132/1634/files/viputezarud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5244/9444/files/zogoxusoduv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7133/2767/files/vitexa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9474/6023/files/1289397367.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3802/3592/files/kegapozamudevujomulo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7318/3643/files/cancer_de_mama_en_mexico.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6539/0757/files/40478075416.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8427/4081/files/kusodekadeguzojoriwibam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2943/6315/files/95606115181.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6532/7262/files/zumopanujikep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6264/7189/files/98938402984.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5359/6310/files/angular_form_input_textarea.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1055/5041/files/andhra_university_cse_syllabus.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 1

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_off00005330.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5330 5476 bytes
SHA-256: 7c1c033b0b9d0269cd89ffd8deebeb7d6cc9eeccc929e3a36567b08445e7805a
font_01_sfnt_off000065c3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65C3 9884 bytes
SHA-256: d8ec66484e5924cdca785068f8773fda4e91fb503b827610d03af122495e29c2

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