PDF malware analysis — malicious · 23a1d111b13ecfa0

MALICIOUS

PDF

43.1 KB Created: 2020-08-25 22:42:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 657b60c2993c7b0e8d0d851fa258aed5 SHA-1: 87f65db97428eddc8b802fbbecd7b51f4f69ce29 SHA-256: 23a1d111b13ecfa008e0492ef256e3af4abb4f367aad04f2b7ba63ce1a5a5cec

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1200 Hardware Add-Override T1059.001 PowerShell

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.ru'. Additionally, it exhibits characteristics of a PDF SEO link farm, embedding numerous external links, with the primary one leading to a Shopify domain. The document body contains the malicious URL and several other PDF links, suggesting an attempt to lure users to malicious or deceptive content. 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/pify?keyword=permittivit%25C3%25A9+di%25C3%25A9lectrique+du+vide
- http://files.keenbeancoffee.com/uploads/1/3/1/3/131381046/91da89d19.pdf
- http://fabiji.mammothrefined.com/uploads/1/3/0/7/130776279/renabudemokibev.pdf
- http://fifobodub.doulasofomaha.com/uploads/1/3/1/4/131437812/9735949.pdf
- https://cdn.shopify.com/s/files/1/0429/7313/5011/files/sivanamowanuwerug.pdf
- https://cdn.shopify.com/s/files/1/0432/7745/1428/files/95150933603.pdf
- https://cdn.shopify.com/s/files/1/0435/4146/3204/files/93706993739.pdf
- https://cdn.shopify.com/s/files/1/0429/2149/2643/files/89062737770.pdf
- https://cdn.shopify.com/s/files/1/0439/3569/5016/files/valquirias_paulo_coelho_gratis.pdf
- https://cdn.shopify.com/s/files/1/0430/7091/4717/files/lipodogik.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/liwisubusamepumiv.pdf
- https://cdn.shopify.com/s/files/1/0436/1060/3677/files/92663780767.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/91489653134.pdf
- https://cdn.shopify.com/s/files/1/0428/7610/8956/files/wuwojatokivapat.pdf
- https://cdn.shopify.com/s/files/1/0429/9322/1783/files/suziwevigijekuj.pdf
- https://cdn.shopify.com/s/files/1/0429/0006/2367/files/possessive_nouns_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0434/5112/1820/files/printable_community_service_log_sheet_for_court.pdf
- https://cdn.shopify.com/s/files/1/0428/0962/2687/files/bol_bachchan_full_movie.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_off00006654.bin` `4c6dff9e997b367e7fd129f6f4f073d5eec8ca8ad9b03afba6cb750c6efe4a4a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6654	5028 bytes
`font_01_sfnt_off0000770b.bin` `0e33ee49be3b94474f4ad0e0de4de9f619323004adc7cde985a928ca43ac019f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x770B	11980 bytes

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