Malicious PDF — malware analysis report

Static analysis result for SHA-256 f360c5ee35455bcb…

MALICIOUS

PDF

47.5 KB Created: 2020-08-02 16:52:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 574c6a162db184a4307e984f1222a57f SHA-1: 9136fb82c1c800e85b33023ff9901ece845e1e95 SHA-256: f360c5ee35455bcbafa11fa34ee60de64ad2faaa19f36a60a1c37eeb41494c7b
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=sony+dhg-+hdd+250'. Additionally, it features a PDF link farm with numerous external links, many hosted on Shopify, suggesting an attempt to distribute malicious content or engage in SEO abuse. The document body contains garbled text but includes the same product lure and redirector URL, reinforcing the malicious intent.

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=sony+dhg-+hdd+250
    • http://files.erichhunter.com/uploads/1/3/1/3/131379894/1182cb80694.pdf
    • http://files.strategy3inspired.com/uploads/1/3/1/4/131483592/4081412.pdf
    • http://files.fitzwrestlingacademy.com/uploads/1/3/2/8/132814136/af34df.pdf
    • http://files.cksdrumshop.com/uploads/1/3/1/8/131856277/1b6b948a39.pdf
    • https://cdn.shopify.com/s/files/1/0428/1230/9671/files/56500812819.pdf
    • https://cdn.shopify.com/s/files/1/0427/9762/9596/files/ruteridipimaposekiwugiwe.pdf
    • https://cdn.shopify.com/s/files/1/0428/0477/3031/files/sonarogigawuxusunovom.pdf
    • https://cdn.shopify.com/s/files/1/0433/8342/3128/files/61624582525.pdf
    • https://cdn.shopify.com/s/files/1/0438/1242/1789/files/management_information_systems_laudon_13th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0428/6201/8716/files/38844112425.pdf
    • https://cdn.shopify.com/s/files/1/0432/3157/6226/files/69203454909.pdf
    • https://cdn.shopify.com/s/files/1/0432/7194/6398/files/56334737373.pdf
    • https://cdn.shopify.com/s/files/1/0440/8881/9864/files/baxunarezasoxivoforo.pdf
    • https://cdn.shopify.com/s/files/1/0432/9131/2288/files/8946199308.pdf
    • https://cdn.shopify.com/s/files/1/0435/4896/7061/files/bunejelowemu.pdf
    • https://cdn.shopify.com/s/files/1/0428/7247/1718/files/nupogolosofiwidu.pdf
    • https://cdn.shopify.com/s/files/1/0434/7245/3797/files/11087666331.pdf
    • https://cdn.shopify.com/s/files/1/0428/9314/8313/files/25052506756.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_off00006f7f.bin
6b4389115adb1d360982f8cadc862b7219cfbd2a170689513487dcff08c74b29		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F7F 5208 bytes
font_01_sfnt_off00008155.bin
a63b4d7265b4472b6dde5112cdb8eac63a55f1043cfdc540d4e940f7895418c7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8155 14312 bytes

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