PDF malware analysis — malicious · 220b7c2aee482f01

MALICIOUS

PDF

46.4 KB Created: 2020-08-30 02:32:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3b4789bacc83cb7085773b7198141c25 SHA-1: 9a0d665ba0c07dab0b9c6ec5fe530e370fb1425c SHA-256: 220b7c2aee482f0134c5636d30d8a393b8a0ace8c72f5bbe81d73a43fcd194d7

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, with one heuristic specifically identifying it as a PDF link farm. The primary link points to a known malicious redirector, ttraff.com, which is likely used to obscure the final destination or distribute further malware. The document body, though heavily obfuscated, contains references to the target URL and other benign-looking PDF links, suggesting a deceptive lure.

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=colbert+report+episodes
- https://static.usrfiles.com/ugd/b8c837_e261fc6a85604b87890c33fb52107b63.pdf
- https://static.usrfiles.com/ugd/6f53d7_e1cfb84d5e34422a9a318f4d6e7a8e4d.pdf
- https://static.usrfiles.com/ugd/b8c837_4256e1a6ffbf4d08a811cea1e5adb1dc.pdf
- https://static.usrfiles.com/ugd/b8c837_ed11edce889742b6ad23190d87bdaf6b.pdf
- https://static.usrfiles.com/ugd/b8c837_72e9c39d86e94f288a36cc2c4e53eecc.pdf
- https://static.usrfiles.com/ugd/c63dba_5499c642511f4b278a24be9c99e0c268.pdf
- https://static.usrfiles.com/ugd/b8c837_ae87d4803963406e8ddc21f43e6480d0.pdf
- https://static.usrfiles.com/ugd/b8c837_0ed79bab5be24f2c97e0c2b71f366cfd.pdf
- https://static.usrfiles.com/ugd/2ac701_3012c25b89aa473fae645ce73813011c.pdf
- https://static.usrfiles.com/ugd/1cfe37_b251186ec76540bfbe4ab7306a305090.pdf
- https://static.usrfiles.com/ugd/253000_9638dbd4cc7d40a39ce7a2d08709693f.pdf
- https://static.usrfiles.com/ugd/0aab01_30194413f33b43759c15e5fd316d2f43.pdf
- https://static.usrfiles.com/ugd/b8c837_0f676f4ff3d146058fef31fa5db7fc70.pdf
- https://static.usrfiles.com/ugd/6846fe_56f365c18f554b75845b581a5950925c.pdf
- https://static.usrfiles.com/ugd/b8c837_03eac66e30104d518342abf41c340fb7.pdf
- https://static.usrfiles.com/ugd/b8c837_73a80f57492649dd8f59a51421ebdead.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_off0000783e.bin` `7ffe2954e42290835387862fbcc3a781feb5bd7d0e05c3f75c7cd0b480df2a83`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x783E	4788 bytes
`font_01_sfnt_off0000888a.bin` `d045ff8be0dda8b60516ca034d2feeae0779012a08c9e32c0336a527b1105268`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x888A	10704 bytes

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