Malicious PDF — malware analysis report

Static analysis result for SHA-256 c6cd473ed1259997…

MALICIOUS

PDF

39.8 KB Created: 2020-08-06 18:10:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7eb52bf8a9c2f7be449d25b0271a394a SHA-1: b55a3a462e65e8ac6c3623568e740df6a6a3f0cb SHA-256: c6cd473ed1259997e2a8dee6222a1c7da739b85dcf3654e9eb5bd6b2ff85f08a
120 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=almanacka+2020+pdf'. It also features a link farm with numerous embedded URLs, many of which are hosted on Shopify. The primary intent appears to be luring the user to a malicious site via the redirector. No scripts were extracted from this sample.

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.com/pify?keyword=almanacka+2020+pdf
    • http://files.indoceylon.com/uploads/1/3/1/4/131437775/gatexiwadabe.pdf
    • http://files.rmshiles.com/uploads/1/3/1/0/131071167/9589709.pdf
    • http://files.bouncyparadeboxers.com/uploads/1/3/1/3/131398244/5bab28d8.pdf
    • https://cdn.shopify.com/s/files/1/0432/9222/9797/files/powojomevopozamajalosi.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/15125842299.pdf
    • https://cdn.shopify.com/s/files/1/0431/4903/3640/files/zowumoviganu.pdf
    • https://cdn.shopify.com/s/files/1/0429/6228/8793/files/fosefisafup.pdf
    • https://cdn.shopify.com/s/files/1/0431/6623/6834/files/pogilinameluledikadurugen.pdf
    • https://cdn.shopify.com/s/files/1/0429/1395/6007/files/technical_analysis_for_the_financial_markets_by_john_murphy.pdf
    • https://cdn.shopify.com/s/files/1/0432/7155/3189/files/75672752935.pdf
    • https://cdn.shopify.com/s/files/1/0428/4032/6300/files/76047313908.pdf
    • https://cdn.shopify.com/s/files/1/0428/7135/7596/files/12466825133.pdf
    • https://cdn.shopify.com/s/files/1/0435/8311/1336/files/john_deere_14t_baler_manual.pdf
    • https://cdn.shopify.com/s/files/1/0432/2754/5763/files/92556160282.pdf
    • https://cdn.shopify.com/s/files/1/0432/3206/7739/files/80418012130.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_off00005de5.bin
c8fe545b0822ae2883abfc821eaa51783af6272b90628d7433963c799ca8564f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5DE5 5356 bytes
font_01_sfnt_off00007013.bin
9421e922a7639467feee223079ef8e1a61b0aaa712bc6f244a5e9f9c4a7cd403		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7013 10240 bytes

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