Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2698864b3f41470…

MALICIOUS

PDF

48.8 KB Created: 2020-08-30 06:46:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 91b3964ac4a8087f6a6381c67e700e9f SHA-1: cddfd1785c37f6b687109adcba50325ce11657a4 SHA-256: c2698864b3f41470e6a7c7c271b0306bdfb46d988cd43e020f99a7b10b2a3df3
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, many of which point to a redirector URL. The primary heuristic indicates that the PDF links to known malicious redirector infrastructure. The document body contains text that appears to be a lure, referencing 'Gold's gym dorsett', and includes the malicious redirector URL. The presence of numerous shopify.com URLs suggests an attempt to disguise the malicious activity as a link farm.

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/wix?keyword=gold%252527+s+gym+dorsett In 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/1/0435/0623/7604/files/48828219695.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0992/3480/files/mozelogokixobubobowod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5007/2214/files/91771509263.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6520/3093/files/hd_avi_movies_hollywood_in_hindi_2015.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0512/4516/files/17339418655.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_771c7bb782ae4ffabacd897664d6389f.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/0f1814_ca6844b82fe144ed8b8b354275eef4da.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_7a24cee329544235af70991f2c28d87c.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/79cb75_d5d050ba2f8d41b08d5754f84300f3f6.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/dc8a8e_82319189d12449b998fba0f75a7b9f45.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6395/7909/files/creative_strategy_in_advertising_drewniany.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7853/3799/files/xoragupulage.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4024/1829/files/2002_buick_century_repair_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9889/7574/files/dufixorizegajetedejatowog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4654/1211/files/danumepukixipukukoxud.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005bbc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5BBC 5104 bytes
SHA-256: 2994486b36a12d69d205f86b4a7bc21adb19b37043a78519c10578fed187c7cc
font_01_sfnt_off00006d0a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D0A 2660 bytes
SHA-256: f25375f9d145506fd646ea1021c27f396c47852052a1f6b15c40731b26a60aa0
font_02_sfnt_off00007873.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7873 12140 bytes
SHA-256: a7a2eaf03c4a17e33dc5b059f19d9255031b9beb676db6ca606a51e030a769f5
font_03_sfnt_off0000a0f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA0F2 16080 bytes
SHA-256: b118ad4a5f0f66e944d0a6e82a0dad6050c27e77cb1eabf64d07f40874ae21b7