PDF malware analysis — malicious · 4cca079c8c0209a6

MALICIOUS

PDF

56.9 KB Created: 2020-08-30 10:17:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 560f1f5030abca8dd4cb465af2ac646b SHA-1: 243df7ab9f5e171816acf26dd046cc3a510968ea SHA-256: 4cca079c8c0209a64abf762082a64156259d9f4895491fa8665f6e31401b3c8e

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, a technique often used in SEO link farms to manipulate search engine rankings. One of these links, 'https://ttraff.ru/wix?keyword=chanson+%2525C3%2525A9cureuil+des+bois', points to known malicious redirector infrastructure. The presence of this malicious link suggests the document is part of a campaign to lure users to harmful sites.

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.ru/wix?keyword=chanson+%2525C3%2525A9cureuil+des+bois
- https://static.usrfiles.com/ugd/b8c837_8afa378f9c414a4cad1c4fd2df8203d2.pdf
- https://static.usrfiles.com/ugd/b8c837_05c51dcbf4d74074a459d27da6beca0b.pdf
- https://static.usrfiles.com/ugd/d01287_57f7c98b050945848a26b5f2ade81151.pdf
- https://cdn.shopify.com/s/files/1/0430/6285/3794/files/34616827566.pdf
- https://cdn.shopify.com/s/files/1/0437/9970/7805/files/catholic_church_history.pdf
- https://cdn.shopify.com/s/files/1/0437/0278/0072/files/66053745414.pdf
- https://cdn.shopify.com/s/files/1/0454/4944/5526/files/bejuzuronegagosapabojotak.pdf
- https://cdn.shopify.com/s/files/1/0435/0833/4744/files/nawefowonasupo.pdf
- https://cdn.shopify.com/s/files/1/0432/6798/1474/files/videoder_old_version_apk.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/22411539251.pdf
- https://cdn.shopify.com/s/files/1/0431/0227/3697/files/14689396010.pdf
- https://cdn.shopify.com/s/files/1/0429/5114/7679/files/vuvikibunizuwu.pdf
- https://static.usrfiles.com/ugd/b8c837_14adb31cc52b42c2910f88d46b30196b.pdf
- https://static.usrfiles.com/ugd/0cd3a8_1dda20814641411d8eb500c098ea1ad7.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_off000074b1.bin` `629123bfde0685c5f69bbdd27ec008bde0224d5c30af1dabb990f6ee33ea778e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x74B1	6440 bytes
`font_01_sfnt_off000084a5.bin` `38f730cb93af5cebc0dadca5068705b883d7e9e31eda55599b22ed6e7756625f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x84A5	5216 bytes
`font_02_sfnt_off00009605.bin` `3724cc79a5c60abf8c92170442c1252834e708dc3f67a0bf74f248890289ba5c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9605	13024 bytes
`font_03_sfnt_off0000bf13.bin` `328912c23d950435a47379ea144305318af29d2acaf94bea1bfa7e59c42f40c4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBF13	16200 bytes

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