PDF malware analysis — malicious · 2b9f324cbab2f274

MALICIOUS

PDF

48.9 KB Created: 2020-08-30 11:58:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 414c545948d7baac1fbcf3920a77089e SHA-1: f13a280e250f5b28bce3d65727e9b7346f1b363a SHA-256: 2b9f324cbab2f274307469964ad8bd7a3c131999d3122e0403de5f9d316031b2

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/wix?keyword=tipos+de+coberturas+blandas'. Additionally, another critical heuristic indicates a PDF link farm, suggesting an attempt to obscure the final destination or generate traffic. The document body, though heavily obfuscated, contains the same URL, reinforcing the malicious intent. No scripts were extracted from this sample.

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=tipos+de+coberturas+blandas
- https://static.usrfiles.com/ugd/b8c837_2fe25d6526324c378ceb3e72ea834f89.pdf
- https://static.usrfiles.com/ugd/b8c837_8074e4e6fb15479d8a3e200b9c09d4bb.pdf
- https://static.usrfiles.com/ugd/b8c837_dca248b2fdd34075aa563d43fe792528.pdf
- https://static.usrfiles.com/ugd/362633_22c161b7249142a1b8c786492390b4d6.pdf
- https://static.usrfiles.com/ugd/d1c05f_fc78ed9636574809b91f60c6fdff1e18.pdf
- https://static.usrfiles.com/ugd/0789d5_80acee9262e84136924f24f427381966.pdf
- https://static.usrfiles.com/ugd/b8c837_3cd7199bff8d4c31a113bfca1bdf1698.pdf
- https://static.usrfiles.com/ugd/b8c837_239e84ec9ba74095b28d89f3733aafcd.pdf
- https://static.usrfiles.com/ugd/067ecb_2472aac3136943eab7fdad723f7a1adc.pdf
- https://static.usrfiles.com/ugd/0dd040_49dfc4b07a1d4e0aab14ed765532eb26.pdf
- https://cdn.shopify.com/s/files/1/0434/0357/5447/files/galajajageratobaneg.pdf
- https://cdn.shopify.com/s/files/1/0463/7461/7249/files/izotope_ozone_4_presets_download.pdf
- https://cdn.shopify.com/s/files/1/0434/8733/0464/files/6786741771.pdf
- https://cdn.shopify.com/s/files/1/0432/9875/0619/files/8134804690.pdf
- https://static.usrfiles.com/ugd/b8c837_b5ce2959be1140ceb0e46b680de0cc8e.pdf
- https://static.usrfiles.com/ugd/32777b_39c381a3be514c0c9b6b7ac560f2b3b7.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/0789d5_80acee9262e8413692

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00007f90.bin` `d1ffbb99c81c5588c734205fe8c6940e0c454811117a0f6b1bbdcb5dfbe7013f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7F90	5156 bytes
`font_01_sfnt_off00009117.bin` `067a17a9f11d44b829d7c68d51af5444b4185fd7e71099a8cc70596983ca2011`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9117	11076 bytes

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