PDF malware analysis — malicious · 8ab0185b372713f3

MALICIOUS

PDF

41.2 KB Created: 2020-08-02 00:53:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b3f74b8b39c31e38c16db8cae8ff476f SHA-1: b503961f5f61495fb0d94e84bb3c95bcf831a5d4 SHA-256: 8ab0185b372713f3b457a634658cf4797eb8b62a5dd5ea2daec174d3339028e2

158 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains embedded JavaScript and links to a known malicious redirector, ttraff.com. The document body is presented as a user manual for a 'Full hd car dvr 1080p', a common lure for phishing or malware delivery. The redirector likely serves as a gateway to further malicious content. The presence of numerous PDF links, many hosted on Shopify, suggests a link farm SEO tactic to improve search engine visibility for the malicious content.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

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 JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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=full+hd+car+dvr+1080p+user+manual
- http://files.shakopeeplumberhvac.com/uploads/1/3/1/3/131398143/turojike_gaweruvumozele.pdf
- http://files.advcopiersolutions.com/uploads/1/3/1/4/131453453/kajevasubukana.pdf
- http://files.artsplacecheshirect.org/uploads/1/3/1/1/131164424/woxuxejajul.pdf
- https://cdn.shopify.com/s/files/1/0429/8938/7939/files/64076810390.pdf
- https://cdn.shopify.com/s/files/1/0436/9124/5733/files/roponekeko.pdf
- https://cdn.shopify.com/s/files/1/0434/1320/9246/files/osrs_water_battlestaff.pdf
- https://cdn.shopify.com/s/files/1/0437/0425/4615/files/nobam.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/70474217151.pdf
- https://cdn.shopify.com/s/files/1/0435/7554/1919/files/71066054703.pdf
- https://cdn.shopify.com/s/files/1/0436/1358/5566/files/621140078.pdf
- https://cdn.shopify.com/s/files/1/0437/0386/1401/files/4989602729.pdf
- https://cdn.shopify.com/s/files/1/0434/4273/3208/files/57330952115.pdf
- https://cdn.shopify.com/s/files/1/0437/9777/4497/files/35719223057.pdf
- https://cdn.shopify.com/s/files/1/0432/9373/7110/files/rosojomujanajevat.pdf
- https://cdn.shopify.com/s/files/1/0427/5660/4070/files/ripetuzapod.pdf
- https://cdn.shopify.com/s/files/1/0434/7166/7360/files/85834128342.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_off000062da.bin` `033675a5b46ac60e2ccc67bba6347c122f469e1cb55d11ec314a4cd6a30098a4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x62DA	5716 bytes
`font_01_sfnt_off0000762a.bin` `495727799069af7e9e6a10dc88cb31f67626cbb7a2d9db3282d68673624a255f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x762A	9860 bytes

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