PDF malware analysis — malicious · f506de77f33a2770

MALICIOUS

PDF

49.4 KB Created: 2020-08-12 22:12:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 59c92ccea91f953d0d106653272ed9f1 SHA-1: ca49898c535f6068cdd08609c542c6de813f2c34 SHA-256: f506de77f33a277002524a03467798571dcd7f2e6b0a6f25b3a9677def418051

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it directs users to malicious infrastructure. Additionally, PDF_SEO_LINK_FARM suggests the document is part of a link farm, likely to improve search engine ranking for malicious content. The embedded URL `https://ttraff.ru/pify?keyword=autonomic+nervous+system+sympathetic+and+parasympathetic+pdf` is the primary indicator of malicious intent, serving as a redirector.

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=autonomic+nervous+system+sympathetic+and+parasympathetic+pdf
- http://files.sabrinaeisenbarth.com/uploads/1/3/1/8/131871390/rurofofodixux-doladefelozin.pdf
- http://files.sweetlemonyarn.com.au/uploads/1/3/0/7/130739444/zabigulisu.pdf
- http://files.boobybalm.com/uploads/1/3/1/4/131454567/batapiwupalorir.pdf
- http://files.nurturingtouchspecialist.com/uploads/1/3/1/1/131164531/693565.pdf
- http://files.apeandape.com/uploads/1/3/1/6/131636745/755513.pdf
- https://cdn.shopify.com/s/files/1/0432/6211/6008/files/17930802540.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/81236671698.pdf
- https://cdn.shopify.com/s/files/1/0433/3862/9270/files/18978539586.pdf
- https://cdn.shopify.com/s/files/1/0433/7447/7464/files/mufejizonefikuwumuwu.pdf
- https://cdn.shopify.com/s/files/1/0438/8939/3816/files/50_tons_de_liberdade_grey.pdf
- https://cdn.shopify.com/s/files/1/0432/4763/2548/files/luvunavujamedam.pdf
- https://cdn.shopify.com/s/files/1/0428/9078/9020/files/85840559960.pdf
- https://cdn.shopify.com/s/files/1/0434/1468/3815/files/archinteriors_31.pdf
- https://cdn.shopify.com/s/files/1/0436/0654/0445/files/celebrate_recovery_step_study.pdf
- https://cdn.shopify.com/s/files/1/0432/2702/1480/files/zubunivizelifade.pdf
- https://cdn.shopify.com/s/files/1/0431/1416/8480/files/datagubebekarazu.pdf
- https://cdn.shopify.com/s/files/1/0427/8488/2844/files/59923269999.pdf
- https://cdn.shopify.com/s/files/1/0434/1995/9463/files/42012063075.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_off000082b8.bin` `f8163daa5f652796455b89b85643cfef35efedac2930999bec407df885951350`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x82B8	5512 bytes
`font_01_sfnt_off00009556.bin` `39dfa3d54b310d3b0866c9a29bbd2d06e5979f4d495ddf871cf599d65edbb719`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9556	10272 bytes

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