PDF malware analysis — malicious · 93206c815237665d

MALICIOUS

PDF

50.0 KB Created: 2020-08-30 00:12:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: c171934f42f835a360142ca343754199 SHA-1: 44ea4cae0887756e8e6a8a31cd19107227089073 SHA-256: 93206c815237665d962447245c8cab43f7e3b7e2138fd2e4c2a8e00fe5ed9c89

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Phishing: Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a significant number of embedded links, a technique often used to obscure malicious destinations or to create a link farm for SEO manipulation. One of these links, 'https://ttraff.com/wix?keyword=sublimado+de+playeras+df', is identified as a malicious redirector. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted, and the document body appears to be largely obfuscated or contains metadata rather than user-facing content.

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=sublimado+de+playeras+df
- https://static.usrfiles.com/ugd/89064d_7c21e3a506594094b63fcdca6aa7b302.pdf
- https://static.usrfiles.com/ugd/314c35_76aca692c531433fb4b21a234d937bf0.pdf
- https://static.usrfiles.com/ugd/ce0e6d_dcde245d85634fc3872a98b793ec7c09.pdf
- https://static.usrfiles.com/ugd/9e14ca_8e97c4ed50c64550a5b9865bc5df31d4.pdf
- https://static.usrfiles.com/ugd/b8c837_d13b2cf7acd44bf5a61c0a29e2f928d2.pdf
- https://static.usrfiles.com/ugd/b8c837_4e7b6f4437a048e1b1b8aa2b02122d92.pdf
- https://static.usrfiles.com/ugd/136d07_ddbc61b211ac45e1b007a44f3bb60100.pdf
- https://static.usrfiles.com/ugd/b8c837_ad839648952a4f50aded2fd2e65d4f8a.pdf
- https://static.usrfiles.com/ugd/26481d_b248edbf521e408d81850c795e8286a5.pdf
- https://static.usrfiles.com/ugd/451461_ddb0f92210754b5486e83d679bcefb3a.pdf
- https://cdn.shopify.com/s/files/1/0432/8924/7894/files/35675967442.pdf
- https://cdn.shopify.com/s/files/1/0440/6162/2437/files/syllogism_questions_in_reasoning.pdf
- https://cdn.shopify.com/s/files/1/0432/7427/2924/files/fajegugisokakubepalazuw.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_off00005cd5.bin` `cdda4b13af6f882bddb8542d54c9bf230f0a6a053fb5d087426c5ef96b955e79`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5CD5	5532 bytes
`font_01_sfnt_off00006f80.bin` `5895fb421e8f3404a0cdfed32c41c374f175f8c6ac9fceb3a35388f437b39cdc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6F80	5976 bytes
`font_02_sfnt_off00007fe5.bin` `e5fd8578f05a4207901566d2be94e3a23212e1e11b5f22ca7e21a59d2208a5a6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7FE5	11052 bytes
`font_03_sfnt_off0000a3f3.bin` `ccb9b96aa13ea0015a750766f400725f5d9c30b7af1935886b11c64b5942e81e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA3F3	16540 bytes

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