PDF malware analysis — malicious · 4c66f347bdae98c2

MALICIOUS

PDF

63.6 KB Created: 2020-08-11 21:57:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 85ec7b2938f69708f481ef1baa4c22e8 SHA-1: 40b18184dadb2d1efafe14ab9db8e9fde5767b48 SHA-256: 4c66f347bdae98c27f95913bd3168a8af93c2fb1d486cf4038313662abf425fc

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The primary malicious URL, 'https://ttraff.com/pify?keyword=applied+categorical+data+analysis+pdf', is designed to redirect users to potentially harmful content. The document body, though heavily obfuscated, contains this URL, indicating a social engineering attempt to trick users into clicking it.

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=applied+categorical+data+analysis+pdf
- http://files.burbankhigh.dance/uploads/1/3/1/4/131455337/5600292.pdf
- http://vafino.energysmartacademy.com/uploads/1/3/1/6/131606289/5367324.pdf
- http://files.horseshelpingpeople.co.nz/uploads/1/3/1/1/131164418/vamibo.pdf
- http://xareseti.carolynrim.com/uploads/1/3/0/9/130969426/gaxig.pdf
- http://files.megjordanart.com/uploads/1/3/0/8/130874058/1380999.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/99237037604.pdf
- https://cdn.shopify.com/s/files/1/0432/3206/7748/files/rimidutixexalize.pdf
- https://cdn.shopify.com/s/files/1/0436/5362/8062/files/xubasolukag.pdf
- https://cdn.shopify.com/s/files/1/0433/1149/7366/files/gotofu.pdf
- https://cdn.shopify.com/s/files/1/0434/5279/2982/files/90235763288.pdf
- https://cdn.shopify.com/s/files/1/0429/6769/5523/files/kogejusaparu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lobusine.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/56070096689.pdf
- https://cdn.shopify.com/s/files/1/0432/5235/1144/files/644203674.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lomapatigusobotatijizu.pdf
- https://cdn.shopify.com/s/files/1/0432/0890/0768/files/31724898310.pdf
- https://cdn.shopify.com/s/files/1/0439/2094/9403/files/convert_flv_to_mp3.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_off0000ad7d.bin` `14f31bba7fec001793d0f890a7f515f990c6fe285ca97f4a8e8084e97d1e985b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAD7D	5204 bytes
`font_01_sfnt_off0000bf3c.bin` `9732d22c4dd0060578200936e47de7c9fc32d292f022fa16d50e316b3e36c783`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBF3C	10532 bytes
`font_02_sfnt_off0000e320.bin` `7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE320	4324 bytes

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