PDF malware analysis — malicious · cfeeca119ea545fa

MALICIOUS

PDF

46.0 KB Created: 2020-09-19 10:41:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4b38ef69853c13f7082dd170bed0fe14 SHA-1: 048689ae1c6ce5004de6b7e6ced347adca9b0753 SHA-256: cfeeca119ea545fab5b9f68d4c3bf4f4807256fb6ea9f7fd00594bf704f34459

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of embedded links, identified as a PDF link farm. One of these links, 'https://ttraff.link/wix?keyword=is+a+slope+of+0+undefined', is flagged as a known malicious redirector. The presence of numerous links suggests an attempt to manipulate search engine results or to distribute further malicious content. No scripts were extracted, and the document body was heavily obfuscated.

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.link/wix?keyword=is+a+slope+of+0+undefined
- https://9e1676bc-2bf3-4724-add1-7f5dc2756b01.filesusr.com/ugd/d19ca0_c244f8ca98404fa1b855633aa4950e2f.pdf?index=true
- https://1edfb198-1476-4d74-8e12-d85b8c31b285.filesusr.com/ugd/735424_1778e5e1adcd4002b3ec406e6e9b3d84.pdf?index=true
- https://80c6feea-8e05-4db7-b178-21e687535e95.filesusr.com/ugd/b16523_98c1ad4117b44d2f8ec24e79a5aa1d3a.pdf?index=true
- https://a8d71469-02e1-472f-bf1e-eec7b5d42cc4.filesusr.com/ugd/d99ef3_7000ad7a55c4468b9b36575401436fc2.pdf?index=true
- https://860ffc5a-43c7-47b5-b5a7-519f44906bcc.filesusr.com/ugd/99afdc_b0bd14489a964b6d8a13b1fe4230f45a.pdf?index=true
- https://1c34a84d-d2c7-4c22-bea6-1a0c9ece6d05.filesusr.com/ugd/0af078_0088396957534b62beaaaf4f415ae176.pdf?index=true
- https://30968b5d-5486-47a7-b928-c39ced9c4d24.filesusr.com/ugd/05e3ad_1b1c0c44cd7447ee9c6336624d1e76be.pdf?index=true
- https://cdn.shopify.com/s/files/1/0435/5352/1823/files/plano_cercanias_madrid.pdf
- https://cdn.shopify.com/s/files/1/0435/3271/4139/files/cantico_delle_creature_spartito.pdf
- https://cdn.shopify.com/s/files/1/0456/4742/9799/files/pobisogekifogepufikus.pdf
- https://03cac311-d285-41f4-9d33-1fe68e11c2a8.filesusr.com/ugd/370ea2_30b6943582e0410ba742da4c528176c4.pdf?index=true
- https://c28f72cf-4152-4ecb-b1bc-ecaac5565bf7.filesusr.com/ugd/f63f29_c23e8b3891674753b72e193ad07b8f59.pdf?index=true
- https://54881002-ac3a-4c56-bcd4-35d36034fef2.filesusr.com/ugd/9fc8c3_3a75e563f9004c6fae0578b8b8faa283.pdf?index=true
- 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_off000077a2.bin` `a4a2f71a869142150d4588e35c4dde8727caca3803e8981fcf1f56f6c8c965bc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x77A2	5016 bytes
`font_01_sfnt_off000088c7.bin` `d9d4613854ff081f350956bf204b60f83e2c4efcf6a80aa34a78befc218e7224`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x88C7	10236 bytes

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