PDF malware analysis — malicious · 859ac10187ed005d

MALICIOUS

PDF

53.6 KB Created: 2020-08-12 12:11:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 616d2afcb6aab0403f36aafd35d0cc6b SHA-1: 072f00a87fac25014fd606e61895dd4120992dec SHA-256: 859ac10187ed005d6948e83097459fe3493b8c33f0cd4527ad4deb9dec108f87

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=stupore+e+tremori+pdf+download'. Additionally, another critical heuristic indicates a PDF link farm, with numerous links hosted on cdn.shopify.com, likely for SEO poisoning or to obscure the final malicious destination. The document body contains obfuscated text and the primary malicious URL, suggesting a lure to download or access further malicious content.

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=stupore+e+tremori+pdf+download
- http://vutepere.noblegoldens.com/uploads/1/3/1/6/131637814/dejeraguguf.pdf
- http://files.morroandjasp.com/uploads/1/3/0/9/130969375/wojerodijudo.pdf
- http://tukuvat.lavedettebooking.com/uploads/1/3/2/7/132710797/660df9d82f346.pdf
- https://cdn.shopify.com/s/files/1/0435/9605/4690/files/vupap.pdf
- https://cdn.shopify.com/s/files/1/0428/7873/0403/files/backup_bookmarks_firefox.pdf
- https://cdn.shopify.com/s/files/1/0440/6401/4501/files/metaxelinujolu.pdf
- https://cdn.shopify.com/s/files/1/0429/1880/5657/files/amsat_journal.pdf
- https://cdn.shopify.com/s/files/1/0430/4479/8613/files/letut.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xakisone.pdf
- https://cdn.shopify.com/s/files/1/0431/3910/4930/files/36495513264.pdf
- https://cdn.shopify.com/s/files/1/0432/5687/3128/files/25502128701.pdf
- https://cdn.shopify.com/s/files/1/0435/4156/1503/files/pekosoxusu.pdf
- https://cdn.shopify.com/s/files/1/0435/6482/6773/files/42058213072.pdf
- https://cdn.shopify.com/s/files/1/0437/5887/8881/files/13094760430.pdf
- https://cdn.shopify.com/s/files/1/0438/6127/8870/files/virukakumifepumejalarod.pdf
- https://cdn.shopify.com/s/files/1/0431/4506/8699/files/21884084963.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000081bc.bin` `565e99d64711d6a9d59e14760bea8d85aa0dcd6973454cc7c2ff7caa52474b5f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x81BC	1604 bytes
`font_01_sfnt_off000089de.bin` `a7dcf93e98dd01166422eb9a031e8b7968ebe1f6adc2265957994776f6160eb7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x89DE	5204 bytes
`font_02_sfnt_off00009b8d.bin` `59fff17a19f936a397ef6a6c9e59ac66b2a209eeed8d2a064067d50497fffc42`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9B8D	14696 bytes

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