PDF malware analysis — malicious · c10190a2dcd554d3

MALICIOUS

PDF

43.7 KB Created: 2020-08-30 05:10:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b48598208c8b34e4a00fda637a28704b SHA-1: a35d117f0c07f516847865d7f104d8b1b7cd9864 SHA-256: c10190a2dcd554d39fed8767e6e8cc8d8a43e359177c095f37bcfc0cd880e78e

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document exhibits characteristics of a link farm, embedding a large number of external links. One of these links, 'https://ttraff.com/wix?keyword=100+mile+cycle+sportive+training+plan', is identified as a malicious redirector. The document's primary purpose appears to be to lure users into clicking these links, potentially leading them to malicious websites or further stages of an attack. No scripts were extracted from this sample.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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=100+mile+cycle+sportive+training+plan
- https://static.usrfiles.com/ugd/b8c837_c94960b30676450a965010eded3d1249.pdf
- https://static.usrfiles.com/ugd/625844_e98d934d4a484d659b6dcc104bd0f43c.pdf
- https://static.usrfiles.com/ugd/b8c837_841b51e9e56641518f1ee9788556fad4.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/20745245188.pdf
- https://cdn.shopify.com/s/files/1/0431/9199/2484/files/11591596796.pdf
- https://cdn.shopify.com/s/files/1/0433/6369/6799/files/20140354096.pdf
- https://cdn.shopify.com/s/files/1/0431/5666/8573/files/11464424818.pdf
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/64486562279.pdf
- https://static.usrfiles.com/ugd/ae15ca_9c1f03aca55f48c286e669011eccf5d8.pdf
- https://static.usrfiles.com/ugd/b88e3d_872adf3ae0df404c9c1f518304dff915.pdf
- https://static.usrfiles.com/ugd/b8c837_3788ef4b22f04e26b740a3afc9530709.pdf
- https://static.usrfiles.com/ugd/b8c837_9ecaac61b1884edda066c18d4a8d1f6e.pdf
- https://static.usrfiles.com/ugd/a2c2bc_942a9732dc6c43759f3e2f8c2f290719.pdf
- https://cdn.shopify.com/s/files/1/0432/2692/3172/files/lezuvipomavekodotasi.pdf
- https://cdn.shopify.com/s/files/1/0457/0588/7900/files/dieta_1200_calorias_diarias_menu_sem.pdf
- https://cdn.shopify.com/s/files/1/0430/2418/7549/files/35012883294.pdf
- https://cdn.shopify.com/s/files/1/0438/3267/2418/files/awards_and_honours_may_2020.pdf
- https://cdn.shopify.com/s/files/1/0447/0230/2362/files/boost_c_libraries.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_off00006c09.bin` `af977a4e6c8bc2cc0e91f6add80c2c9a14f96a8af69411f44d2ef7726798bff1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6C09	5512 bytes
`font_01_sfnt_off00007eb4.bin` `d811fd655743694fd4be2d2ea18383a5ecdaaa793763ec6f50af99eab5cb4af4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7EB4	10256 bytes

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