Malicious PDF — malware analysis report

Static analysis result for SHA-256 e064f5a514124e77…

MALICIOUS

PDF

63.0 KB Created: 2020-08-15 07:59:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 666eb9137b8e26e641400635dc0bab2a SHA-1: a761beacfcd0946f0c89bc52fb5504fd2a7afa49 SHA-256: e064f5a514124e770a8e0170e4a5ea53185af32568fc84e5743230653a1759b7
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=bootstrap+3+template+login'. This URL is presented within the document body, disguised as a login template. The PDF also exhibits characteristics of a link farm, with numerous external links, many hosted on Shopify. The primary malicious IOC is the redirector URL, which likely leads to further malicious content or phishing pages.

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.ru/pify?keyword=bootstrap+3+template+login
    • http://files.4thchakra.com/uploads/1/3/0/7/130740018/d72bc.pdf
    • https://cdn.shopify.com/s/files/1/0430/8136/7712/files/latazewijewerunekurebitu.pdf
    • https://cdn.shopify.com/s/files/1/0435/3379/5477/files/marketing_strategy_format.pdf
    • https://cdn.shopify.com/s/files/1/0437/2817/5255/files/nezut.pdf
    • https://cdn.shopify.com/s/files/1/0437/5543/8241/files/apc_smart_ups_c_3000va_lcd_230v.pdf
    • https://cdn.shopify.com/s/files/1/0433/7916/3285/files/6246717355.pdf
    • https://cdn.shopify.com/s/files/1/0431/3248/5793/files/5098186655.pdf
    • https://cdn.shopify.com/s/files/1/0432/5618/4992/files/papedalor.pdf
    • https://cdn.shopify.com/s/files/1/0429/4829/6857/files/17147253322.pdf
    • https://cdn.shopify.com/s/files/1/0433/6081/3215/files/donald_barthelme_snow_white.pdf
    • https://cdn.shopify.com/s/files/1/0435/9651/3448/files/41214159471.pdf
    • https://cdn.shopify.com/s/files/1/0438/5302/1344/files/jilivegatefibavuxaveguw.pdf
    • https://cdn.shopify.com/s/files/1/0429/2732/5343/files/motorcycle_carburetor_parts_and_function.pdf
    • https://cdn.shopify.com/s/files/1/0431/4189/0208/files/nujevukubog.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_off0000acef.bin
d1f8442834a1303e0c74386087f6edf7beb6e8442f33f395959c7ee2a4fdf1de		 pdf-font-stream PDF embedded font (sfnt) at offset 0xACEF 5140 bytes
font_01_sfnt_off0000be4b.bin
b64b5a2f01f77b7eec855528181288c016a7b116d9af587a4f243af81d9cc9c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBE4B 10060 bytes
font_02_sfnt_off0000e0b4.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE0B4 4324 bytes

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