PDF malware analysis — malicious · 3c816afe084156a5

MALICIOUS

PDF

65.0 KB Created: 2020-08-31 01:41:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6e34aef67e5671e1dda7f10d86c318fe SHA-1: ec9342e2f7d957da4ef41c191b1b984e0d6587ab SHA-256: 3c816afe084156a58c334333fa9c52a687afdc8628534607e8d337d7b5dd10cc

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a significant number of embedded links, identified as a PDF link farm. One of the primary links, 'https://ttraff.cc/wix?keyword=farallon+hedge+fund', is flagged as a known malicious redirector. This suggests the document's purpose is to direct users to malicious infrastructure, likely for phishing or malware distribution. The presence of multiple shopify URLs, while flagged as benign, are part of the link farm strategy. No scripts were extracted from this sample.

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.cc/wix?keyword=farallon+hedge+fund
- https://cdn.shopify.com/s/files/1/0428/9173/9295/files/xibolil.pdf
- https://cdn.shopify.com/s/files/1/0428/5412/1635/files/92361381102.pdf
- https://cdn.shopify.com/s/files/1/0432/2017/2957/files/xonesukefigivovufafununus.pdf
- https://cdn.shopify.com/s/files/1/0428/8184/3353/files/kewabaj.pdf
- https://static.usrfiles.com/ugd/b8c837_43733c1196504b1db6c4a34a0a534cd8.pdf
- https://static.usrfiles.com/ugd/fac845_1f5d8b40cc0c44a18fa56e2ddcf28648.pdf
- https://static.usrfiles.com/ugd/b8c837_7da82f6427a9455cb57451b4981f93d3.pdf
- https://static.usrfiles.com/ugd/8127dd_06867b5e192f412982fd5345f2a78e45.pdf
- https://static.usrfiles.com/ugd/5fd5c1_6213a62c1ebc4e04be4c56381cea16da.pdf
- https://static.usrfiles.com/ugd/b8c837_b71340a52ce44950926d405c7b26cc05.pdf
- https://static.usrfiles.com/ugd/eda9ba_b5e5a13669af43179445bbb96585cb3c.pdf
- https://static.usrfiles.com/ugd/b444d4_af5bb23320404019a56d5f521b9ff2bb.pdf
- https://static.usrfiles.com/ugd/01bc73_e492da8a521545b29dc80f621f966978.pdf
- https://static.usrfiles.com/ugd/a76634_09f78643dc07460f96ec81059a0ce042.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_off00009132.bin` `28a105a392c46cc2aa161cf114b3980d7452995e8239952bc39c305b6cac6163`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9132	4700 bytes
`font_01_sfnt_off0000a11d.bin` `f015e73b39987abb6e7b1be41651bf531b876ef36a69141451e7a2d6e97e847e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA11D	16512 bytes
`font_02_sfnt_off0000d400.bin` `d1a84ba8f0e4a827a048d387db8dd5dae3538f1c7e72415b16af587a9947cdc7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD400	16060 bytes
`font_03_sfnt_off0000e898.bin` `1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE898	4324 bytes

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