PDF malware analysis — malicious · 7fdf6c5700ff6cc1

MALICIOUS

PDF

42.7 KB Created: 2020-07-21 17:30:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 434e88bb70f947816a836a494496e79e SHA-1: 95bd7cda874018f438bc48244829d6af72587bdc SHA-256: 7fdf6c5700ff6cc118b52b3ccb7d1a1a1741b4c15b41542748ccc185b38d71f9

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a large number of embedded links, identified as a 'PDF SEO Link Farm'. One of these links, https://ttraff.ru/wb?keyword=seoul%20garden%20hotpot%20menu%20pdf, is flagged as a malicious redirector. The document body, though heavily obfuscated, appears to be related to a menu, suggesting a lure to trick users into clicking the malicious links.

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/wb?keyword=seoul%20garden%20hotpot%20menu%20pdf
- http://files.lhfministries.com/uploads/1/3/1/6/131637038/25f9aac5.pdf
- http://files.rivalfilms.co.uk/uploads/1/3/1/8/131856624/bugaviradibe-rujubokefage-fikutazojumiwun-xetaka.pdf
- http://files.givingasha.org/uploads/1/3/1/3/131398372/winuxabozofur.pdf
- http://files.bnativeflutes.com/uploads/1/3/0/8/130814716/1472531.pdf
- http://files.bnativeflutes.c
- https://cdn.shopify.com/s/files/1/0430/3942/4669/files/76800861447.pdf
- https://cdn.shopify.com/s/files/1/0430/6350/9143/files/pegelisavin.pdf
- https://cdn.shopify.com/s/files/1/0434/6436/0100/files/80510133448.pdf
- https://rawosevatati.files.wordpress.com/2020/06/88910903795.pdf
- https://sunokowezepe.files.wordpress.com/2020/06/9319100145.pdf
- https://tazuxejewifi.files.wordpress.com/2020/06/96760729429.pdf
- https://cdn.shopify.com/s/files/1/0428/1230/9671/files/pagitilawujatubafo.pdf
- https://cdn.shopify.com/s/files/1/0430/7386/3842/files/mawibixazig.pdf
- https://cdn.shopify.com/s/files/1/0429/6274/7548/files/42190319540.pdf
- https://cdn.shopify.com/s/files/1/0433/9243/4326/files/80224420112.pdf
- https://cdn.shopify.com/s/files/1/0432/6411/4852/files/89050431468.pdf
- https://cdn.shopify.com/s/files/1/0431/6371/3690/files/selew.pdf
- https://cdn.shopify.com/s/files/1/0432/4265/1805/files/21121763773.pdf
- https://cdn.shopify.com/s/files/1/0431/0269/9681/files/17405229903.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/19463184481.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_off000066a0.bin` `e94159053301d6f1fa0ebd7713dee52e01bbe69b72e123b71f80c841c8a32557`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x66A0	5212 bytes
`font_01_sfnt_off00007824.bin` `4f42a949bcac5b0175107f5e657e8ca9da326287e4b9eee6372ed7f0ccad9961`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7824	11512 bytes

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