PDF malware analysis — malicious · faed43d4540a9087

MALICIOUS

PDF

42.4 KB Created: 2020-08-31 02:41:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 868791de05db48d16334210567c83132 SHA-1: 4049c3c63b557c19ef4c19a4f637a48295118fd0 SHA-256: faed43d4540a908724dbf2ed1402e8f29af75c1ee5512e38ae6949bda66dafa0

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1200 Hardware Add-in T1059.001 PowerShell

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/wix?keyword=samsung+rv511+specs'. This indicates an attempt to lure the user to a potentially harmful site. The document also contains a PDF link farm heuristic, suggesting a broader campaign to generate traffic or distribute content. The embedded document body, though heavily obfuscated, contains the malicious URL and references to product specifications, reinforcing the lure. 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/wix?keyword=samsung+rv511+specs
- https://static.usrfiles.com/ugd/d78803_4d2d260c76c04e7c85ea1f206c2c15ce.pdf
- https://static.usrfiles.com/ugd/aa14a9_7d313c7b0d754000bbae169480859084.pdf
- https://static.usrfiles.com/ugd/b98abb_b9e712d6125140d3b60e8dd0444a00af.pdf
- https://static.usrfiles.com/ugd/5926b4_67dfcd4a881a477bbdd1e037b7ffef61.pdf
- https://static.usrfiles.com/ugd/764aaa_87a0e60b760a4a1e9926aad4ff8d4855.pdf
- https://static.usrfiles.com/ugd/b8c837_33addcbd8a7c4947b9607219c9691ddd.pdf
- https://static.usrfiles.com/ugd/c3f88d_b9e32f91849648f1be62664177b9110b.pdf
- https://static.usrfiles.com/ugd/764aaa_ea75ba0a76b8412cbc19ed9f03396802.pdf
- https://static.usrfiles.com/ugd/d902bb_cbfd2c22d7ce47e0813a8bcf7c94d784.pdf
- https://static.usrfiles.com/ugd/1a89c8_caae1477e16e44e88451af5a31d952c7.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kivamusefelozadadazub.pdf
- https://cdn.shopify.com/s/files/1/0434/9575/1842/files/59024005311.pdf
- https://cdn.shopify.com/s/files/1/0432/4648/5672/files/getokalazuluvux.pdf
- https://static.usrfiles.com/ugd/b8c837_87cbba97ed3043f890761bdf6991f9dd.pdf
- https://static.usrfiles.com/ugd/067ecb_0d5f2579bec64ec39595378bc213e422.pdf
- https://static.usrfiles.com/ugd/227d0f_1e65a9792e084ce792c4db491b7bfa27.pdf
- https://static.usrfiles.com/ugd/b8c837_a69c188e6dac4e05bb7d09d2ebeec3c7.pdf
- https://static.usrfiles.com/ugd/8b2c09_7be04254913d49cba59ce3e12df0e9d6.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.

Filename	Kind	Source	Size
`font_00_sfnt_off00006661.bin` `4801e79d512ce2ec4187ff513b80f4bca4fdac070170c0552ef279cdd601eb4b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6661	5560 bytes
`font_01_sfnt_off0000793b.bin` `9c5274540bb296ff4b9ad986f1791f343579ca4c509445b8f5e3614572d75abc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x793B	10352 bytes

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