PDF malware analysis — malicious · f4d941540cd31329

MALICIOUS

PDF

45.2 KB Created: 2020-09-01 18:23:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 967a75aeaef0602da1a04a55420be5c6 SHA-1: 597527fdf2a717e71f692201bc5518843ca7db50 SHA-256: f4d941540cd31329f726a109c7a2889e9950ef480ba14dd9cf1f86612f22b583

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.ru'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many pointing to Shopify domains. The document body, though heavily obfuscated, contains the string 'vevo apk mod' and a URL that appears to be the same as the malicious redirector. This suggests the document is designed to trick users into clicking the malicious link under the guise of downloading a modded application.

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=vevo+apk+mod
- https://cdn.shopify.com/s/files/1/0428/8937/9993/files/team_extreme_minecraft.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/68736518606.pdf
- https://cdn.shopify.com/s/files/1/0431/3019/2039/files/1137083041.pdf
- https://cdn.shopify.com/s/files/1/0429/4872/2851/files/bojack_horseman_rule34.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78649322563.pdf
- https://cdn.shopify.com/s/files/1/0432/1925/5454/files/arabisch_alphabet.pdf
- https://cdn.shopify.com/s/files/1/0434/7772/9430/files/3528408127.pdf
- https://static.usrfiles.com/ugd/97aff7_129e89ec1f5c4fb2aa78f14cc935ca75.pdf
- https://static.usrfiles.com/ugd/b8c837_c02035af460e4bfc92c6e51eb577c4a0.pdf
- https://static.usrfiles.com/ugd/1be480_3161826b48b249dbb07ff56c73a21180.pdf
- https://static.usrfiles.com/ugd/b8c837_6b1b31a682ad477491e78765576102dc.pdf
- https://static.usrfiles.com/ugd/36f25b_1270591fa12f4b1db6b0dd5886dc079b.pdf
- https://static.usrfiles.com/ugd/b8c837_786df7fde3b647fda9709b813914d8c2.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_off00004e42.bin` `75e96eb05866226d66316d5fec53db64e33e537fdbde3c144bcee56a12b4e781`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4E42	4440 bytes
`font_01_sfnt_off00005d60.bin` `94125d48c8937fecfa530c3b8707aa0acd6774b054025646f16fafa6edfc49a5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5D60	10080 bytes
`font_02_sfnt_off00008022.bin` `f96ac6140a0f2899d01d3c82ca964cecf2e59fd2f51110287b5262a9fbff663f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8022	17136 bytes
`font_03_sfnt_off000098ac.bin` `0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x98AC	4324 bytes

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