Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee9960e5b9769a98…

MALICIOUS

PDF

50.7 KB Created: 2020-08-10 07:41:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 62cbca33c9ea772a8c81dce2c945bc25 SHA-1: 90f0880396f0285bc5e63fceaaf9a73d9788e38a SHA-256: ee9960e5b9769a98baf4d48fd8feb26205e4533a8b82bdffdb7c77558b23cfd1
194 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to a URL that mimics a Schengen visa application. This URL is designed to lure unsuspecting users. The document body, though heavily obfuscated, contains the same URL, reinforcing the phishing pretext. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm used for SEO poisoning or to obscure the final malicious 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.com/pify?keyword=schengen+visa+online+form+pdf In PDF document text
    • http://files.burbankbees.com/uploads/1/3/1/4/131438477/a0f0a0281e4.pdfIn PDF document text
    • http://files.senseconstructions.com/uploads/1/3/0/7/130739308/zemesixozuju.pdfIn PDF document text
    • http://files.katierizzoartandawesome.com/uploads/1/3/0/8/130813694/xukunakodazot-visigirafube.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/1/0434/5593/8720/files/dotewekureduzunizate.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3983/4780/files/mitchell_on_demand.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7974/6207/files/xinidekij.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9775/1709/files/65215048573.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7508/4193/files/wodebirofineta.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6707/1894/files/21412966737.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3759/7607/files/75682654918.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9101/8396/files/tobepejetixawegitabijus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5300/6494/files/37986958413.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2672/7580/files/83609520896.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9613/6098/files/63040806781.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9122/1923/files/48165939015.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0216/5410/files/costco_pv_mall.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_off0000795f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x795F 5440 bytes
SHA-256: d87d9ba2fba8351aeaa2279a2bf3791b85ad18bb997a821e5f662047ac53d64d
font_01_sfnt_off00008ba6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8BA6 10524 bytes
SHA-256: caae6e4db4896433b3298b9acae73f09c0e6a92de4ae96cb79db4e78e4832df2
font_02_sfnt_off0000af75.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAF75 4324 bytes
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230