Malicious PDF — malware analysis report

Static analysis result for SHA-256 52692a02593b3a5f…

MALICIOUS

PDF

35.2 KB Created: 2020-08-18 22:47:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: de3ca3e319500ae6ede9e71c1a035c46 SHA-1: 6b4a998578201d04467045dae79f2cb4a8e46658 SHA-256: 52692a02593b3a5f0a6fceaefdafce8083c80205f6fab36349b29be8aede13d8
170 Risk Score

Malware Insights

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

The PDF file contains a lure related to 'Google pay account information' and embeds multiple external links. One critical heuristic indicates a malicious redirector link, and another identifies a PDF link farm. The presence of these elements, combined with the MFA lure heuristic, suggests the document is designed to trick users into clicking malicious links, potentially for credential harvesting or to download further malware. No scripts were extracted, limiting the analysis of direct execution capabilities.

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.
  • MFA / one-time-code harvesting lure high SE_MFA_LURE
    Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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=google+pay+account+information
    • http://files.ebonydeecheyne.com/uploads/1/3/0/7/130739204/9292562.pdf
    • http://bunesaf.benkirkefamily.com/uploads/1/3/1/4/131407424/1828641.pdf
    • https://cdn.shopify.com/s/files/1/0437/2607/8106/files/1920_2_calculator.pdf
    • https://cdn.shopify.com/s/files/1/0437/4459/2021/files/12082793032.pdf
    • https://cdn.shopify.com/s/files/1/0433/9394/1671/files/ayyappan_devotional_songs_tamil.pdf
    • https://cdn.shopify.com/s/files/1/0436/0408/2851/files/31257575297.pdf
    • https://cdn.shopify.com/s/files/1/0431/2953/6668/files/33402889469.pdf
    • https://cdn.shopify.com/s/files/1/0433/6310/6968/files/dudomofofo.pdf
    • https://cdn.shopify.com/s/files/1/0428/3134/7868/files/vifiruladewewa.pdf
    • https://cdn.shopify.com/s/files/1/0431/7950/7872/files/felujonamobuwudak.pdf
    • https://cdn.shopify.com/s/files/1/0430/0885/2117/files/84629199839.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_off00004d60.bin
ac4cab0346ffa4da2b517e84ca67d38f3fe142c88a8ee0655a4b8296bf21efe1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4D60 5288 bytes
font_01_sfnt_off00005f62.bin
a72f8726187fe7d2d3a2eae1f1117338edb0e972768e84fff709412e6d631788		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F62 9708 bytes

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