PDF malware analysis — malicious · adb60510aef5b5f7

MALICIOUS

PDF

52.3 KB Created: 2020-09-01 22:11:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6ff545810df1fde11bdc27b803225f50 SHA-1: aac8461be5303143652283dc1d919a5ddf32ac76 SHA-256: adb60510aef5b5f7b2b617b72475e74f2161436264e10a0a9f6ec64fcc5126b9

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link to a known malicious redirector, ttraff.ru, which is likely used to direct users to a phishing or malware distribution site. The document body, though heavily obfuscated, contains the same URL, suggesting it's the primary lure. The PDF also contains a large number of external links, characteristic of a link farm, further indicating malicious intent.

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.ru/wix?keyword=best+corded+phone+with+answering+machine
- https://static.usrfiles.com/ugd/b8c837_a58955b17278475283872132fe14e640.pdf
- https://static.usrfiles.com/ugd/d2751c_b87b66b0e68145aaaf16656dcb770256.pdf
- https://static.usrfiles.com/ugd/8c0e65_e7ab9dfa31ff43b18631ef2d5dbe6ed3.pdf
- https://static.usrfiles.com/ugd/ea78e0_a96fa95c1f0d4a008853015d5d409b25.pdf
- https://static.usrfiles.com/ugd/b8c837_21241d0c46c5496cb904fb8b00b22b06.pdf
- https://static.usrfiles.com/ugd/5a4aad_9819135e6b384cef92f8ce59039eb6a0.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78683638278.pdf
- https://cdn.shopify.com/s/files/1/0427/4782/2236/files/sofojewedaneriv.pdf
- https://static.usrfiles.com/ugd/913720_bf9873ef3bbc4619aa25c7488fc04f7f.pdf
- https://static.usrfiles.com/ugd/834936_1fd7bc1c0e5a48fbb934616ef1c36e40.pdf
- https://static.usrfiles.com/ugd/f09a9d_1babec5560f94d30adce95ef03d1144d.pdf
- https://static.usrfiles.com/ugd/b8c837_449b2338c7df4bd79634cab84a69969d.pdf
- https://static.usrfiles.com/ugd/909b15_c1ba8eecf75841c49e6064decb123bbd.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/
- https://static.usrfiles.com/ugd/5a4aad_9819135e6b384

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000808a.bin` `27cb270151679270b4fdbe017a7f9b6bbecca9db1369a40b35238b96fbb5ae3b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x808A	5384 bytes
`font_01_sfnt_off000092ba.bin` `20329e468727d297ac280b4f6ac584d46259d5ee885bec4e3f8f7956cdf0e919`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x92BA	10332 bytes
`font_02_sfnt_off0000b5fb.bin` `05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB5FB	4324 bytes

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