PDF malware analysis — malicious · d336f4d8b8e2fef8

MALICIOUS

PDF

46.8 KB Created: 2020-08-03 06:39:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9d3208f746c876a94244f76caca16ce5 SHA-1: 5b50f26abfd53daa657cd21306376d5b961cc3e8 SHA-256: d336f4d8b8e2fef8f673bcd0a721a736b04755e4ace65f7e8767e42da3a1ce0c

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text referencing a script to move the mouse and the malicious URL. This suggests a social engineering lure to redirect the user to a malicious site. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm strategy, likely to obscure the primary malicious destination.

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/pify?keyword=script+to+move+mouse+every+few+minutes
- http://files.loveayianapa.com/uploads/1/3/1/4/131406841/tivokitigibo.pdf
- http://files.haciendasonoma.com/uploads/1/3/2/7/132740218/7130198.pdf
- http://files.vibertview.net/uploads/1/3/1/6/131606366/roduvugawolavu-kemizuz-nuwoxa.pdf
- https://cdn.shopify.com/s/files/1/0431/8461/9680/files/98831064669.pdf
- https://cdn.shopify.com/s/files/1/0433/3692/5342/files/tamug.pdf
- https://cdn.shopify.com/s/files/1/0432/9160/7190/files/28488281669.pdf
- https://cdn.shopify.com/s/files/1/0440/2626/5765/files/88384679683.pdf
- https://cdn.shopify.com/s/files/1/0433/9567/8357/files/47101637648.pdf
- https://cdn.shopify.com/s/files/1/0440/1538/6789/files/woduva.pdf
- https://cdn.shopify.com/s/files/1/0432/1820/6887/files/lotikodiruvejagevizewu.pdf
- https://cdn.shopify.com/s/files/1/0435/8524/1256/files/gedopegasatilelozofi.pdf
- https://cdn.shopify.com/s/files/1/0437/8941/8657/files/73629739052.pdf
- https://cdn.shopify.com/s/files/1/0429/2270/5055/files/29516681644.pdf
- https://cdn.shopify.com/s/files/1/0431/4244/7261/files/mukadidenig.pdf
- https://cdn.shopify.com/s/files/1/0434/5082/6919/files/27409814014.pdf
- https://cdn.shopify.com/s/files/1/0433/9348/2902/files/fabuj.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000611b.bin` `aa75212b7ee47ddd9033009710642947072e0c521ffe3b73f5fa2b379acc82ff`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x611B	5276 bytes
`font_01_sfnt_off00007317.bin` `c1a84269c5c3deea73bb9d18c67689cbfc14a8493fc6d5a5d7f1d49471a6cea6`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7317	10820 bytes
`font_02_sfnt_off0000984b.bin` `531e37f64a2e7dc3bfb257675d9e6c644c7b1597f33ba9a969cd005a7ed65660`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x984B	16312 bytes

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