PDF malware analysis — malicious · 3af2201d18631c02

MALICIOUS

PDF

49.0 KB Created: 2020-08-29 12:40:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 8638bb1d1aaa02e5a99424db83820455 SHA-1: defbafa9b0a4e06c24058e034bcb65869eab420d SHA-256: 3af2201d18631c025d3d9692a58a4ded9f377dc75bbabe16b238219d34af1140

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, with at least one identified as a malicious redirector. The document body, though heavily obfuscated, contains the URL https://ttraff.me/wix?keyword=bach+inventions+pdf, which is flagged as malicious. The presence of numerous links to external PDFs suggests an attempt to manipulate search engine results or lure users to malicious content.

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.me/wix?keyword=bach+inventions+pdf
- https://static.usrfiles.com/ugd/b8c837_7fb9aedc51804b0da9bd5ac73ec33ef4.pdf
- https://static.usrfiles.com/ugd/89064d_926a86ece74944508dbeb5305a6f9e84.pdf
- https://static.usrfiles.com/ugd/b8c837_b56ac838de1e45c4aa4b3ce74cbf2cae.pdf
- https://static.usrfiles.com/ugd/b8c837_85be0b9e9e034b3791094d6068d906c7.pdf
- https://cdn.shopify.com/s/files/1/0431/5856/9128/files/sawazadekugojovapuxovaf.pdf
- https://cdn.shopify.com/s/files/1/0432/8400/5032/files/xukemodawelo.pdf
- https://cdn.shopify.com/s/files/1/0428/6296/8991/files/caligula_by_albert_camus.pdf
- https://static.usrfiles.com/ugd/b8c837_e9964f101f004a0e9950ee318685e2e8.pdf
- https://static.usrfiles.com/ugd/b8c837_a422e836c42a4d85b8a812df5422cc6d.pdf
- https://static.usrfiles.com/ugd/b8c837_3717f03d7bd4464691cb01ea4669825d.pdf
- https://static.usrfiles.com/ugd/b8c837_5915ebbfb8bb455f8e6a356e97e78d53.pdf
- https://static.usrfiles.com/ugd/b8c837_becb0226ab7e4071bde5f85573797eb2.pdf
- https://static.usrfiles.com/ugd/b8c837_834f1ea47de1430fbb9741efb9b80c99.pdf
- https://static.usrfiles.com/ugd/b8c837_1f407228017f454ab3c61bc67325e7e4.pdf
- https://static.usrfiles.com/ugd/4d400c_82d538f8c171495bb09aa8d7ec6a3e60.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000062df.bin` `da5d8c48c8346f2918880758d62cd974c5982320e08a0a84fd6457df1ca58c20`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x62DF	5224 bytes
`font_01_sfnt_off0000749c.bin` `efda9760780256ac9b4358d36efb720cd52d232891923eea7fd69b9b485919bf`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x749C	2060 bytes
`font_02_sfnt_off00007e45.bin` `8ffa184dc623f024538d122d856490a9eeef46dc3ff850152b3f6ff36241fe89`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7E45	10276 bytes
`font_03_sfnt_off0000a1a5.bin` `fb7b45e24c28c4473d0ca1c6410c593992d9a809009f9c41b5ae32c9142507dd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA1A5	16120 bytes

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