Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d341fb5d20afa1d…

MALICIOUS

PDF

48.4 KB Created: 2020-08-15 01:08:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 555066a998ea549fb383a66d41326a8c SHA-1: b04828824f686021dc13d233ef7ca2f46e6528f8 SHA-256: 5d341fb5d20afa1d75e82504d40225b8883b8c371b73091a39f99338aabb2563
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged by multiple critical heuristics as a malicious redirector and link farm, indicating it's designed to lead users to harmful sites. The document body, though heavily obfuscated, contains URLs that are part of this redirection scheme, specifically pointing to a resume template lure. The presence of numerous links, many pointing to benign Shopify PDFs, suggests an attempt to manipulate search engine results or create a large, distributed network of redirectors.

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.ru/pify?keyword=resume+templates+word+doc In PDF document text
    • http://tegijisa.panthercreekptsa.org/uploads/1/3/0/7/130775734/abe49.pdfIn PDF document text
    • http://sinon.lvpoutlet.com/uploads/1/3/1/6/131606552/8671634.pdfIn PDF document text
    • http://manotoja.jimhockenhull.com/uploads/1/3/1/0/131070590/sedufa_buwamolonekipof_saxagawulit_tisatuse.pdfIn PDF document text
    • http://files.meowlinda.ca/uploads/1/3/0/8/130813643/dorafaz.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6289/4498/files/bizujokazotu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4077/5064/files/dezagaselutin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0083/1905/files/gubipadirev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7926/2615/files/zolowebofefipif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jomanumono.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3066/6651/files/the_little_black_boy_william_blake.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0548/3942/files/wudep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7496/8986/files/basic_electrical_engineering_file_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8153/9489/files/39649238174.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4291/2926/files/map_of_south_african_provinces_and_towns.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7133/2767/files/15841636494.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7554/1919/files/lowes_west_st_paul.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007285.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7285 5048 bytes
SHA-256: ea991450378aceb30d644bb09cad2c60ac41cbd4bd262e9300f831270629394d
font_01_sfnt_off000083c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83C1 10160 bytes
SHA-256: d5e7918524d371652700d555d533b4264b73ae8a7501c14131ba3293c56a15d7
font_02_sfnt_off0000a66e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA66E 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3