Malicious PDF — malware analysis report

Static analysis result for SHA-256 c14d37be2e2ea86f…

MALICIOUS

PDF

39.7 KB Created: 2020-07-27 13:41:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2b48962a98c031809fd1c3c394e1052a SHA-1: 3061f9e87b67f89e6bb18dcb70305df01b7fe547 SHA-256: c14d37be2e2ea86fe82d65439c03e09e23eab89efb89f5a1203396dc3ce75cbc
194 Risk Score

Malware Insights

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

The PDF was flagged as malicious due to a critical heuristic firing for a malicious redirector link. This link, 'https://ttraff.cc/pify?keyword=callan+method+stage+7+pdf', is designed to redirect users to potentially harmful content. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool sometimes used to create malicious documents. The presence of numerous external PDF links, many pointing to Shopify, further indicates a link farm strategy, likely to improve search engine ranking for malicious content or to obscure the final destination.

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=callan+method+stage+7+pdf In PDF document text
    • http://files.enactyourfuture.com/uploads/1/3/1/1/131164067/popowowexu-xujewofa-dutewodono.pdfIn PDF document text
    • http://files.mrlibutti.com/uploads/1/3/0/8/130814232/newosujiverifa-susove-lulupe-wipavumojukoga.pdfIn PDF document text
    • http://files.rodanthesurfshop.com/uploads/1/3/2/6/132696155/kilema.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/1/0430/7759/9383/files/40105176806.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0035/6251/files/94375974129.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1239/6968/files/papadigaworavozamom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2321/9363/files/vebakolukuxa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1212/0998/files/78117379834.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5041/8847/files/mipidenu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5220/3161/files/fetobopomorozijar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5310/4790/files/77412062241.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5340/8675/files/mejejigijuwopowajidapiza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0378/1015/files/71426450424.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61066914906.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7645/9422/files/pagalazokarorupujuzibi.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 8

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_off00005f85.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F85 5200 bytes
SHA-256: bc7b559ebeb85c02b2f26ee24ece1c80fcc5f77708c079eccf25f10c4bbbbbfa
font_01_sfnt_off0000711f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x711F 9624 bytes
SHA-256: f9a01d99ee1a2aff8a9e9c47201c97488b06438c33b3f9c316fda1d9124b8b1e

Open this report in the interactive analyzer, or submit your own file for analysis.