PDF malware analysis — malicious · 267e0f84a57e5d75

MALICIOUS

PDF

50.2 KB Created: 2020-08-29 17:58:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9acc50d6115069f989cf3230ed6cef53 SHA-1: dbaa64506d894b3bc728b728dbb628c41f633292 SHA-256: 267e0f84a57e5d75cebc2d8b2b2c552f83c3d46bb72315766b25bd6a05328b20

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/wix?keyword=beastie+bay+building+guide'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, including one to 'https://cdn.shopify.com/s/files/1/0438/2933/0077/files/windows_10_change_user_name.pdf'. The document body, though heavily obfuscated, contains references to these URLs, suggesting an attempt to disguise malicious activity under the guise of a building guide.

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=beastie+bay+building+guide
- https://cdn.shopify.com/s/files/1/0438/2933/0077/files/windows_10_change_user_name.pdf
- https://cdn.shopify.com/s/files/1/0429/7628/0729/files/mijasuvofode.pdf
- https://cdn.shopify.com/s/files/1/0435/3979/2021/files/31931219116.pdf
- https://static.usrfiles.com/ugd/b8c837_38d614b8dec34dcc881415fb9c583ce8.pdf
- https://cdn.shopify.com/s/files/1/0437/2224/4264/files/aashiqui_2_movie_hd_wallpapers_free.pdf
- https://cdn.shopify.com/s/files/1/0459/9057/6285/files/jobugewopuvezeluforif.pdf
- https://cdn.shopify.com/s/files/1/0434/5780/6503/files/dowry_act.pdf
- https://static.usrfiles.com/ugd/b8c837_60c32697e40e47429aa316643a28fa53.pdf
- https://static.usrfiles.com/ugd/b8c837_66f7e9d63daa4b828d1372af9e1fdfa8.pdf
- https://static.usrfiles.com/ugd/b8c837_87f33e0bafed4d5fab536b8245b00c96.pdf
- https://static.usrfiles.com/ugd/b8c837_000bc242e09547fcb24826cfc25dd2c2.pdf
- https://static.usrfiles.com/ugd/b8c837_d2ed47b51d8f4aab89b7306997f4a98c.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_off0000648d.bin` `7d71c367fa74a874c344ebdbc241aadfbf7d3f825aabf771fbb81f2e536f2f62`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x648D	4960 bytes
`font_01_sfnt_off00007573.bin` `71558866b70c895aec3f10ee2b1f9c6fea459c54605f2878b390c292537b2823`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7573	10076 bytes
`font_02_sfnt_off0000981f.bin` `37bd064822a4139c5d8e3cdb2e2dd8d0ae9d956962f76839c9edaf1267f3d3f3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x981F	16244 bytes
`font_03_sfnt_off0000ad8d.bin` `1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAD8D	4324 bytes

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