PDF malware analysis — malicious · fc2efd1444e7fb66

MALICIOUS

PDF

43.6 KB Created: 2020-09-16 19:11:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7f8c1dc706a287ff3bccbc6af059e750 SHA-1: 338272a9fa301c30bccd4b929766452ad3cfd5c9 SHA-256: fc2efd1444e7fb667a49bb561b48b58e7be678ee068511fb0951a448e57b9840

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_SEO_LINK_FARM heuristic. One of these links, https://ttraff.me/wix?keyword=yatse+8.2.5+apk, is flagged as a malicious redirector. The document body, though heavily obfuscated, contains references to the URL and application names, suggesting a lure to a potentially malicious download or phishing page.

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.me/wix?keyword=yatse+8.2.5+apk
- https://cdn.shopify
- https://8d0a40df-7f86-4e8b-856c-a71353619c1a.filesusr.com/ugd/5bb01c_fe8dd4b5a17f45298fad8f44b041d4fa.pdf?index=true
- https://9664df61-376a-4c71-a9a9-6c8056bb2c1d.filesusr.com/ugd/f08e01_7066aad4ff574682a27e18d1a17d2234.pdf?index=true
- https://edc57c34-8618-42f7-80ce-a676cddc4d70.filesusr.com/ugd/b0b521_6e9b6c0289da462ab2920b7f47ba5e64.pdf?index=true
- https://91e8b961-994c-43bd-83a5-b0bfb1c3b2b4.filesusr.com/ugd/cf5aa9_2fc5021d3499497791badce519af1b25.pdf?index=true
- https://73901e96-d3b0-45c4-b2ad-0ef740ba325a.filesusr.com/ugd/f1780b_931168c2c5c24de584214bcf69e4bb00.pdf?index=true
- https://cdn.shopify.com/s/files/1/0433/6533/5190/files/peripa.pdf
- https://cdn.shopify.com/s/files/1/0440/7679/4008/files/dibufubonolix.pdf
- https://cdn.shopify.com/s/files/1/0431/1669/1612/files/todawede.pdf
- https://cdn.shopify.com/s/files/1/0428/5431/8239/files/lewinuxemuvotu.pdf
- https://cdn.shopify.com/s/files/1/0433/3309/1480/files/motorola_apx_6000_user_guide.pdf
- https://cdn.shopify.com/s/files/1/0428/5012/3943/files/18555401505.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dovaxetudomorunuk.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/30549310566.pdf
- https://cdn.shopify.com/s/files/1/0431/2812/7650/files/wavugapigalixiwikido.pdf
- https://cdn.shopify.com/s/files/1/0436/6827/5353/files/xovoginurifo.pdf
- https://cdn.shopify.com/s/files/1/0437/1306/9210/files/91672322909.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_off00006e5c.bin` `2a22d7be857b562333ca00be2bf3a55a85037a2af4b719680bf96ca286ebda64`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6E5C	5192 bytes
`font_01_sfnt_off0000802a.bin` `3e83b2920cfd25eef153b5199242def7e750d836fc75bce947d5f23c81f962e5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x802A	9848 bytes

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