Malicious PDF — malware analysis report

Static analysis result for SHA-256 4aa329062513a62d…

MALICIOUS

PDF

42.8 KB Created: 2020-08-19 14:25:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8700f49136f44139ea103c03ca8a0c3a SHA-1: 8ccc4e31fe2063b1fac6744de626f74b6ee18460 SHA-256: 4aa329062513a62d8fe93549285e6426517b44baa9288fe78a7d89b532fefe79
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic match for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it directs users to malicious infrastructure. The embedded URL 'https://ttraff.cc/pify?keyword=electric+oven+installation+guide' is the primary indicator of this malicious redirection. Additionally, the PDF_SEO_LINK_FARM heuristic suggests the document is part of a larger link farm, with many links pointing to Shopify-hosted PDFs, likely for SEO manipulation or to obscure the malicious redirector. No scripts were extracted, and the document body is heavily obfuscated.

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=electric+oven+installation+guide
    • http://files.luisluisartbeauty.com/uploads/1/3/1/8/131856046/67adc5a298.pdf
    • https://cdn.shopify.com/s/files/1/0439/8520/7454/files/85394941811.pdf
    • https://cdn.shopify.com/s/files/1/0437/5012/9813/files/77545765587.pdf
    • https://cdn.shopify.com/s/files/1/0433/3414/0072/files/gotolexexidibalekagekopok.pdf
    • https://cdn.shopify.com/s/files/1/0430/4519/1841/files/4433081932.pdf
    • https://cdn.shopify.com/s/files/1/0428/7715/7542/files/pdf_to_word_converter_software_with_crack.pdf
    • https://cdn.shopify.com/s/files/1/0433/2129/5003/files/swing_dance_steps.pdf
    • https://cdn.shopify.com/s/files/1/0437/2273/5767/files/2224341877.pdf
    • https://cdn.shopify.com/s/files/1/0434/3840/7845/files/annexure_d_for_minor_passport.pdf
    • https://cdn.shopify.com/s/files/1/0432/9226/2560/files/91340581051.pdf
    • https://cdn.shopify.com/s/files/1/0434/7510/7990/files/cheap_plus_size_red_formal_dresses.pdf
    • https://cdn.shopify.com/s/files/1/0434/7274/8709/files/vimebupile.pdf
    • https://cdn.shopify.com/s/files/1/0433/7536/2198/files/xirinowulinivirelugo.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000689f.bin
e1b377777379d2c343d692bc67c1fe7a29be9dbb23044adce4a997e74c12b744		 pdf-font-stream PDF embedded font (sfnt) at offset 0x689F 5124 bytes
font_01_sfnt_off00007a1b.bin
d0fd502e6af12c21c3347e65191bd6705f420d9a1df7d18b7e2865d6b9a14e0c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A1B 10688 bytes

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