Malicious PDF — malware analysis report

Static analysis result for SHA-256 add07d2b0e721a8d…

MALICIOUS

PDF

79.0 KB Created: 2020-08-17 15:00:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5556f054cfdbb830969670dd9543aa68 SHA-1: 2ce5c16969a2c19e57c792e1706be2fea9f9e247 SHA-256: add07d2b0e721a8dd092f0336dce23af999c5c46702fcf5607b71cf61e8cc0bd
120 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 'https://ttraff.cc/pify?keyword=acid+rain+full+information'. This URL is presented within the document body, suggesting a social engineering lure. The file also exhibits characteristics of a link farm, with numerous external PDF links, indicating an attempt to distribute content or traffic. The primary attack vector appears to be directing users to malicious infrastructure.

Heuristics 3

  • 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.
  • 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=acid+rain+full+information
    • http://files.shamrockhavenpublishing.com/uploads/1/3/2/6/132680808/vedeba.pdf
    • https://cdn.shopify.com/s/files/1/0438/4587/7922/files/free_vintage_floral_border_templates.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/84574839703.pdf
    • https://cdn.shopify.com/s/files/1/0434/3247/6838/files/engine_assembly_manual.pdf
    • https://cdn.shopify.com/s/files/1/0440/6296/5912/files/15495355874.pdf
    • https://cdn.shopify.com/s/files/1/0434/1560/1319/files/ruwawikuxopokazufo.pdf
    • https://cdn.shopify.com/s/files/1/0433/8057/2321/files/zoo_animals_clipart.pdf
    • https://cdn.shopify.com/s/files/1/0434/0210/0899/files/palmistry_books_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0435/0282/9734/files/rorijax.pdf
    • https://cdn.shopify.com/s/files/1/0428/8679/1334/files/midawabixejumavewixag.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e458.bin
c5a674d186cfd8fd258bd25c0610bfbe04fc4c79b64902c88f9172ac7944fd76		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE458 4976 bytes
font_01_sfnt_off0000f51e.bin
f02f199b22c3191437b7393b1ac1500c89117ad56d052c9de63bed2684326045		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF51E 10800 bytes
font_02_sfnt_off00011a0d.bin
e8be64a599b4775abf69106d1ea2a605297721d8ccc8071fb3d67c702b09cfa6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11A0D 16100 bytes

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