PDF malware analysis — malicious · 3f465b127b7a7ad0

MALICIOUS

PDF

42.5 KB Created: 2020-07-17 05:08:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: c1a49ef29d435520bc6eb35c7cfe438c SHA-1: 3055a78eaf9996eee8adb8d822b1748069ab0ee7 SHA-256: 3f465b127b7a7ad070af02fd48790aa6c0e99c839f940fd1e8749b8cd85669ec

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com', which is used in a lure for 'Haynes aircraft manuals pdf'. The PDF also contains a large number of embedded links, many of which point to Shopify domains, suggesting a link farm or SEO manipulation tactic. The ML classifier strongly flagged this PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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.com/wb?keyword=haynes%20aircraft%20manuals%20pdf
- http://files.merrifieldseminar.com/uploads/1/3/2/7/132710655/7749287.pdf
- http://files.frontporcharts.org/uploads/1/3/0/7/130739069/5237679.pdf
- http://files.callieraebowtique.com/uploads/1/3/1/8/131857758/fcade0e16cff3d.pdf
- https://cdn.shopify.com/s/files/1/0431/1685/5453/files/31454075559.pdf
- https://cdn.shopify.com/s/files/1/0431/1829/7245/files/mibovitedenet.pdf
- https://cdn.shopify.com/s/files/1/0432/1338/9992/files/katowefesenibekuwezod.pdf
- https://cdn.shopify.com/s/files/1/0432/0326/4667/files/jezefixe.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/40035930655.pdf
- https://gorajeg.files.wordpress.com/2020/06/kinitigadem.pdf
- https://semijex.files.wordpress.com/2020/07/34149953719.pdf
- https://xepuwedex.files.wordpress.com/2020/06/89032182522.pdf
- https://cdn.shopify.com/s/files/1/0432/7243/7910/files/tufesaza.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pujofupokutesigitugut.pdf
- https://cdn.shopify.com/s/files/1/0435/2658/6520/files/82762549909.pdf
- https://cdn.shopify.com/s/files/1/0431/1308/7142/files/nokadijikedumagesiruzupe.pdf
- https://cdn.shopify.com/s/files/1/0431/0047/1456/files/zepusu.pdf
- https://cdn.shopify.com/s/files/1/0432/5870/8118/files/biduloxexatewibujate.pdf
- https://cdn.shopify.com/s/files/1/0430/0128/2711/files/tisugera.pdf
- https://cdn.shopify.com/s/files/1/0432/0460/8155/files/moxapizuvivowu.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_off00005df3.bin` `b78c65f69f88f528c5c5f3b8805d1c023bb21598b669666ee23a55eca30213b2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5DF3	5136 bytes
`font_01_sfnt_off00006f4f.bin` `e37fbd72f79ad7533731f074b196c232ac32bd413a18373b0a385306fb00256e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6F4F	13864 bytes

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