PDF malware analysis — malicious · 1bd45d453d9242d5

MALICIOUS

PDF

51.4 KB Created: 2020-08-30 07:37:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 54c63920be1ecc6a1f65786d8846a6bc SHA-1: 6fca6093874da087c78bbe743219860410d78827 SHA-256: 1bd45d453d9242d55bb01126001a4fa73fbea9e2bb56def623561ffb12863ad3

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on static.usrfiles.com. One critical heuristic firing indicates a direct link to a known malicious redirector at ttraff.com. The document body, though heavily obfuscated, contains the URL that triggered the malicious redirector heuristic. This suggests the PDF is designed to lead users to malicious infrastructure through a series of redirects, likely for phishing or malware distribution.

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=suzuki+sv650+manual+pdf
- https://cdn.shopify.com/s/files/1/0434/1566/6849/files/1503234398.pdf
- https://cdn.shopify.com/s/files/1/0437/9135/1969/files/how_to_change_your_discord_name.pdf
- https://cdn.shopify.com/s/files/1/0435/2458/7674/files/confederate_women_s_monument_baltimore.pdf
- https://cdn.shopify.com/s/files/1/0431/3884/2779/files/pamujusidasafu.pdf
- https://static.usrfiles.com/ugd/69695d_bf20354b54664af9849a49426e00010e.pdf
- https://static.usrfiles.com/ugd/b8c837_2573a8ca49564f4794e99fd2e96a94be.pdf
- https://static.usrfiles.com/ugd/b8c837_c23f1188a5154b8980cb8176da2cb52b.pdf
- https://static.usrfiles.com/ugd/96768c_8d42fb5751ad42fdb8452909229fe3dd.pdf
- https://static.usrfiles.com/ugd/b8c837_be0ec9187d7547169cc924ad384d5531.pdf
- https://static.usrfiles.com/ugd/b8c837_38c043821084448fb437f6f658a03275.pdf
- https://static.usrfiles.com/ugd/1be480_49456d19cda54d769d96c9ad963f1241.pdf
- https://static.usrfiles.com/ugd/30e015_6f5c6b06b4f549f085bfba7ffcee6d27.pdf
- https://static.usrfiles.com/ugd/ade4e6_4da345b14c4b4c768e3162ba79a19d0d.pdf
- https://static.usrfiles.com/ugd/b8c837_9c4124c12b6e44ecb468ccb43e47b410.pdf
- https://static.usrfiles.com/ugd/b8c837_3aacaf0f21be4145920fa142c29ec286.pdf
- https://static.usrfiles.com/ugd/b8c837_f5dee3ed256d4d3ba68fd5e3a17e7059.pdf
- https://static.usrfiles.com/ugd/b8c837_4e12eab74c3741468d414bf142807c97.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_off000087df.bin` `f2935d689de888959639f0ed2d12358ee372a98f6a821a596ff4c761967c771c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x87DF	5788 bytes
`font_01_sfnt_off00009b91.bin` `c61aceacbf65e039415f5ab53cfb42d9ddc3da9f1bb1e50849ef414ee789bf68`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9B91	11016 bytes

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