PDF malware analysis — malicious · 79e37459a97dc58b

MALICIOUS

PDF

54.7 KB Created: 2020-08-29 22:05:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7d153afcb970296fa449583864b91d01 SHA-1: 7de5b0b9d9a981737f446732842ed012c56e9ccd SHA-256: 79e37459a97dc58bd716fe4c4527cd135853d2cc986b26cfcfd2e8a2d87e0d02

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of embedded links, with one pointing to a known malicious redirector. The heuristic PDF_SEO_LINK_FARM indicates a mass external PDF link farm, suggesting a deceptive purpose. The primary malicious IOC is the redirector URL, which likely leads to further malicious content or phishing pages.

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=lector+de+coordenadas
- https://cdn.shopify.com/s/files/1/0433/6068/2139/files/nomesubatigapatezuxufuk.pdf
- https://cdn.shopify.com/s/files/1/0431/5122/9089/files/31793111404.pdf
- https://cdn.shopify.com/s/files/1/0437/8486/3893/files/jawutugamitimenadif.pdf
- https://cdn.shopify.com/s/files/1/0437/3735/0293/files/62312713154.pdf
- https://cdn.shopify.com/s/files/1/0441/4016/7320/files/butterflies_are_free_movie.pdf
- https://static.usrfiles.com/ugd/822ecd_6f974c696de442a79e80171df450d3cb.pdf
- https://static.usrfiles.com/ugd/b8c837_109c11e779594eff83c1b5f4ee0ce557.pdf
- https://static.usrfiles.com/ugd/b8c837_e861cdc6299c4cf8adb30d40da9b057c.pdf
- https://static.usrfiles.com/ugd/b8c837_0bab08f73cad4447947d3a956546ea4a.pdf
- https://static.usrfiles.com/ugd/b8c837_9ea571d8d70243449f843cf94c0419dc.pdf
- https://static.usrfiles.com/ugd/b8c837_f25029c95b1444699c610ca0f4363698.pdf
- https://static.usrfiles.com/ugd/b8c837_d6ded65ed64640508ddf66f5508659ab.pdf
- https://cdn.shopify.com/s/files/1/0431/6761/3089/files/58871304695.pdf
- https://cdn.shopify.com/s/files/1/0437/9105/7058/files/ayushman_bharat_hospital_list_punjab.pdf
- https://cdn.shopify.com/s/files/1/0427/3229/0215/files/bomugirepewijekusiwal.pdf
- https://cdn.shopify.com/s/files/1/0435/6590/8136/files/82178905414.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_off0000647f.bin` `2ce5a7286efefc5aae27ce1c31b3347e159d00bd30cf97f509a0b7f7d49caffb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x647F	6440 bytes
`font_01_sfnt_off00007474.bin` `f01811fdf47161eb469ad715c1f0c5eec4c9ebd2b46ace10f5ea477af0be785e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7474	4840 bytes
`font_02_sfnt_off000084ee.bin` `8ea7730e9345652e7c702a65fda0cff2f6d82966c129b4dc6a2d2f8c80c3b4fe`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x84EE	16528 bytes
`font_03_sfnt_off0000b6c7.bin` `bfe3ecb8724c31a661001150f7bfcdb835dac4180e689e70ee3f5f04908dd57e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB6C7	16208 bytes

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