PDF malware analysis — malicious · cd0866f04443ec15

MALICIOUS

PDF

42.0 KB Created: 2020-08-31 05:10:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: ad29bc39b42f36c1b93968a191bfb5df SHA-1: 25fde0811bfebcd4be3d3fe7d37706749444d440 SHA-256: cd0866f04443ec157b918d68d8da80afa704b2c5cd75f8c3ffa639da9d26acc6

150 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/wix?keyword=boot+washing+station'. Additionally, it exhibits characteristics of a link farm, with numerous external PDF links. The document body, though heavily obfuscated, contains the same malicious URL and a benign-looking PDF filename, suggesting a lure to a malicious site. No scripts were extracted from this sample.

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=boot+washing+station
- https://cdn.shopify.com/s/files/1/0427/5427/7532/files/mijiri.pdf
- https://cdn.shopify.com/s/files/1/0430/9562/1796/files/tejibamu.pdf
- https://cdn.shopify.com/s/files/1/0430/8667/6117/files/aluminium_sheet_metal_weight.pdf
- https://cdn.shopify.com/s/files/1/0430/0128/2711/files/pack_opener_fifa_17.pdf
- https://static.usrfiles.com/ugd/b52961_e8a1bd3720834cdaa073d6a4f3d4a994.pdf
- https://static.usrfiles.com/ugd/8b2c09_8b8248b586a64573b67aacadaef55c0a.pdf
- https://static.usrfiles.com/ugd/b8c837_40427c1de91b472eb12c545b3c415cf4.pdf
- https://static.usrfiles.com/ugd/b8c837_f78db367348d404b9851ec2f9eee442f.pdf
- https://static.usrfiles.com/ugd/e4ff69_d1246c02f01548f09c899bbc53f05cdc.pdf
- https://static.usrfiles.com/ugd/b8c837_c8a3b5f26b1c43e3b0c78f03e4a0e224.pdf
- https://static.usrfiles.com/ugd/df73ab_9bb42c4382d24539b658653600049b5b.pdf
- https://static.usrfiles.com/ugd/b8c837_d5275f14275f4be9b28eedb7b2fde6de.pdf
- https://static.usrfiles.com/ugd/0e2875_efd00b2d17da4fc88702a60a79b33f9d.pdf
- https://static.usrfiles.com/ugd/ea5d7b_2776c587dcfe495f985409b2710d01c9.pdf
- https://static.usrfiles.com/ugd/aef5b7_68b0dd06ea74488ea703d0d2942f21e9.pdf
- https://static.usrfiles.com/ugd/b11f6d_c2469eabdc76417d9dd41870a783c539.pdf
- https://static.usrfiles.com/ugd/23e9be_a54ea30ccf4d4f6da8757ef0a384ac32.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_off00006800.bin` `4d6052b3f7ca24da8c61187c33cc46fe2c4d439e560f05cd7da98adaa62ab0f8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6800	4960 bytes
`font_01_sfnt_off000078ef.bin` `002d8e6104074cad2b223b9449860fae6d3d59f551af8778a7c8a0da5c4940dc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x78EF	10124 bytes

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