PDF malware analysis — malicious · 7584bf2c24e209c5

MALICIOUS

PDF

48.2 KB Created: 2020-08-09 19:59:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 89e478fffdb30e1d3c4b131e0689a193 SHA-1: 9be80680bc1c740a8d0fd7938523c0cd6dd64635 SHA-256: 7584bf2c24e209c554aa4d1ec8794e7f78c71bd7e7343d047abb3dca30a9839c

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, directing users to 'https://ttraff.cc/pify?keyword=certificat+de+vie+commune+pdf'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, with the first being 'https://cdn.shopify.com/s/files/1/0428/9835/8432/files/benubojebexoreloruva.pdf'. The document body, though heavily obfuscated, contains text related to a 'certificat de vie commune pdf' and the URL, suggesting a social engineering lure.

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.cc/pify?keyword=certificat+de+vie+commune+pdf
- http://fekow.ctabrelief.org/uploads/1/3/0/9/130969060/viwawuzazinaj.pdf
- http://files.toharlev.com/uploads/1/3/2/8/132815343/95e82ff859421.pdf
- http://wasonus.canadaconcussionclinic.com/uploads/1/3/0/7/130776208/addab5a714c0d50.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/benubojebexoreloruva.pdf
- https://cdn.shopify.com/s/files/1/0432/3731/0632/files/tosafoz.pdf
- https://cdn.shopify.com/s/files/1/0431/1272/6677/files/above_ground_storage_tanks_book.pdf
- https://cdn.shopify.com/s/files/1/0431/8432/4770/files/5572171283.pdf
- https://cdn.shopify.com/s/files/1/0433/6045/2760/files/kewuwapunamo.pdf
- https://cdn.shopify.com/s/files/1/0431/6574/5309/files/niwesutafutezaz.pdf
- https://cdn.shopify.com/s/files/1/0430/2825/0781/files/74141490633.pdf
- https://cdn.shopify.com/s/files/1/0432/4501/1112/files/jizuwowemofum.pdf
- https://cdn.shopify.com/s/files/1/0431/7629/6614/files/brother_mfc-_j4510dw.pdf
- https://cdn.shopify.com/s/files/1/0428/2993/8855/files/xotelafobagopip.pdf
- https://cdn.shopify.com/s/files/1/0431/5312/9640/files/7959938246.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_off00005e83.bin` `95f25dcb859f02391bf07f3fd043210a39b7c33bc7f21127b89de5a40c6a9ccd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5E83	5056 bytes
`font_01_sfnt_off00006f94.bin` `149738eb3e1d0bfb4a5732e89a115965e6f0cf3fc4971c694d3ce3619176544d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6F94	6148 bytes
`font_02_sfnt_off00007f73.bin` `49f7a9045c66bc091315465153777818c5ba4a2b66af9a5bcf5a9c7175b0814f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7F73	11528 bytes
`font_03_sfnt_off0000a3fd.bin` `05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA3FD	4324 bytes

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