Malicious PDF — malware analysis report

Static analysis result for SHA-256 b44ecaa6e16d47e8…

MALICIOUS

PDF

67.7 KB Created: 2020-08-20 13:48:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 92b5db1fef3089f256bbe2cf8a7dd7d3 SHA-1: d55ca28cf4dfe9ec480d091086755d40fb7d5355 SHA-256: b44ecaa6e16d47e819829d937b303cea0d08262694d630bd93ba4a8b43f19e96
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, identified as a link farm, pointing to various PDF files hosted on Shopify and other domains. One of the primary links, 'https://ttraff.com/pify?keyword=druid+guide+5e+dnd', is flagged as a malicious redirector. This suggests the document's purpose is to direct users to potentially malicious or SEO-manipulated content. No scripts were extracted, limiting the analysis of direct execution capabilities.

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=druid+guide+5e+dnd In PDF document text
    • http://files.travelingaboutandbeyond.com/uploads/1/3/1/0/131071043/1e42b3921.pdfIn PDF document text
    • http://files.twistedimagenyc.com/uploads/1/3/1/4/131483584/191dcb684324bf.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/1/0462/5930/6645/files/pusufuvizapigo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4433/7824/files/zaloxo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8165/3655/files/15607176542.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6221/4304/files/rimworld_tattered_apparel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1378/2179/files/77925059310.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6989/8909/files/igcse_biology_notes_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9140/9562/files/1000_basic_english_words_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xazome.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4655/2227/files/43343481717.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1751/7731/files/bangladesh_passport_renewal_form_saudi_arabia.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0496/0676/files/buzalubazofamaku.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_off0000ce62.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE62 4696 bytes
SHA-256: e8e9615371a1c6d1144c3534c6493dab698a5c228a3238ef07d1da3199e7d700
font_01_sfnt_off0000de6c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE6C 10416 bytes
SHA-256: 3343daf60089fa5b60687b99fb46fb95520468d19c5dea379daff5ebf1063325

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