PDF malware analysis — malicious · 2de671238dd4a710

MALICIOUS

PDF

49.7 KB Created: 2020-07-21 21:13:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 55bd14b92b11e3c9510450a06a770886 SHA-1: 4105553aae2f214b13831075a2dac3904c75b193 SHA-256: 2de671238dd4a710840aef6bfb35a9b617c178969e0ebcb6eedaee10e338c80b

122 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links, a technique often used in SEO link farms to manipulate search engine rankings. One of these links, 'https://ttraff.ru/wb?keyword=corporations%20act%202001%20', is flagged as a known malicious redirector. The file's structure and the presence of numerous links suggest an attempt to lure users to malicious sites, potentially for phishing or malware distribution.

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.
External URI info PDF_URI

PDF contains an external URL action
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=corporations%20act%202001%20\(cth\)%20pdf
- http://files.michelyn.com/uploads/1/3/0/7/130775470/6637110.pdf
- http://files.thewildwaycoffee.com/uploads/1/3/0/7/130739480/sobuzipo-wonutaduv-woganawe-xofudefiloma.pdf
- http://files.lightningridgerealestate.com.au/uploads/1/3/2/8/132815961/tuwor.pdf
- http://files.rmc1studio.com/uploads/1/3/0/7/130739158/721688.pdf
- https://cdn.shopify.com/s/files/1/0429/5085/2762/files/dumisepa.pdf
- https://cdn.shopify.com/s/files/1/0432/3121/5780/files/88209542694.pdf
- https://cdn.shopify.com/s/files/1/0432/0968/7208/files/nupiravutu.pdf
- https://jezalur.files.wordpress.com/2020/06/34050150002.pdf
- https://suxeniruwip.files.wordpress.com/2020/06/gafibutudabag.pdf
- https://zebofupafu.files.wordpress.com/2020/07/39551909934.pdf
- https://jigudom.files.wordpress.com/2020/07/dezaraputarixatuguxegasut.pdf
- https://cdn.shopify.com/s/files/1/0434/5564/3813/files/sigenegexekokep.pdf
- https://cdn.shopify.com/s/files/1/0432/8387/3942/files/wuzaxowafi.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nakoximowukod.pdf
- https://cdn.shopify.com/s/files/1/0434/3654/0069/files/13940123217.pdf
- https://cdn.shopify.com/s/files/1/0433/8909/1989/files/tevajafekigonexamoxuduma.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/97697777452.pdf
- https://cdn.shopify.com/s/files/1/0432/2630/0575/files/romisuke.pdf
- https://cdn.shopify.com/s/files/1/0431/2816/0417/files/59846867402.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_off00008590.bin` `454bc70b544fe1e57d92b49d4bddfeb783777cfbe72a061bebcbb33c5e77ea6c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8590	5384 bytes
`font_01_sfnt_off000097d8.bin` `194381c8b0fc9b698589c4e441a19cf62546429eb3ead5004f7482e2a7bfcfb2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x97D8	9824 bytes

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