PDF malware analysis — malicious · c1d6d8ffe945c185

MALICIOUS

PDF

43.0 KB Created: 2020-09-09 21:55:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4fbef754d1846fc86bdba178add1f23f SHA-1: 5c1b83b121b2dd729c8fc085679ee1855d7eafba SHA-256: c1d6d8ffe945c18595de13b9afd63584f7389e357bd6179c12402597165dbd62

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector link to 'https://ttraff.me/wix?keyword=ring+size+guide+cm'. Another critical heuristic identified a PDF link farm, suggesting an attempt to manipulate search engine results or distribute malicious content. The document body, though heavily obfuscated, contains the same malicious URL and benign URLs, likely as part of a SEO poisoning or phishing lure. No scripts were extracted, but the presence of malicious redirector links and a link farm strongly suggests a phishing or malware distribution attempt.

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=ring+size+guide+cm
- http://dasomemiw.mdlashesllc.com/uploads/1/3/2/7/132741508/xevekebem_suwurediju.pdf
- https://static.usrfiles.com/ugd/b222ea_a5b446dd2567453da8e4e90d863ae96f.pdf
- https://static.usrfiles.com/ugd/4d400c_c2bdc6fae8fa4e5b93f0845b7a92e8b7.pdf
- https://static.usrfiles.com/ugd/f3ecbe_026d2a1b6d0e41abae5a3ff619f1dce5.pdf
- https://static.usrfiles.com/ugd/197ed4_afa0c4a7809545809222f89d63b2496d.pdf
- https://static.usrfiles.com/ugd/856cea_4eb8e055c0c14a85ac7e5185432f7580.pdf
- https://static.usrfiles.com/ugd/45e30f_724145246e4a4c59b003951a9e1f45ea.pdf
- https://static.usrfiles.com/ugd/685707_56329ee194a54d638e3a8ada0ba31a79.pdf
- https://static.usrfiles.com/ugd/65b209_c99b17a468b645b4a1731ca70b46c780.pdf
- https://static.usrfiles.com/ugd/217b8a_a08a1a3902ee44f1852f1d8effceb3d4.pdf
- https://static.usrfiles.com/ugd/4cf28d_9f1cc7d04416412fb39a59a650f6af51.pdf
- https://static.usrfiles.com/ugd/0049ca_b49c2d0e1a20496c8251d4fd60144a6b.pdf
- https://static.usrfiles.com/ugd/2ca09c_5cc48caa32b6489982a4e5546dbefb0b.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005c31.bin` `030d9c4640ff0f0929e60dc54d95e48c7aa7f7bb84a525c8e5534738290bbcee`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5C31	4668 bytes
`font_01_sfnt_off00006bfe.bin` `7f2dc66f33cd075ecc96e3d9d6a6db92a63f7fd91268adcb4b49f430f0ef132d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6BFE	11024 bytes
`font_02_sfnt_off00009172.bin` `ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9172	4324 bytes

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