PDF malware analysis — malicious · c5ddee8ff8d141f0

MALICIOUS

PDF

43.5 KB Created: 2020-08-30 05:39:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 92b674d350185eacaf5cbbb6e48fff7c SHA-1: 5793da66cbc9bf4a7e174437b3f40b7b0210a01d SHA-256: c5ddee8ff8d141f036da2ce5a5e186772ae3354295194167a6e3b88df1af5fb2

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.com/wix?keyword=endangered+animals+worksheets'. This URL is presented within the document body, disguised as educational content. The file also exhibits characteristics of a link farm, embedding numerous external PDF links, many hosted on Shopify. The primary malicious intent appears to be directing users to the ttraff.com 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.com/wix?keyword=endangered+animals+worksheets
- https://cdn.shopify.com/s/files/1/0432/0195/3952/files/7114340522.pdf
- https://cdn.shopify.com/s/files/1/0434/6042/7928/files/bolubizupelukivovaxagovik.pdf
- https://cdn.shopify.com/s/files/1/0429/7749/3146/files/90116670029.pdf
- https://cdn.shopify.com/s/files/1/0429/1241/5897/files/87202563945.pdf
- https://cdn.shopify.com/s/files/1/0437/5920/6558/files/60125441310.pdf
- https://static.usrfiles.com/ugd/2e4eb4_b0bf2fc96153414b8f4772b5d664a610.pdf
- https://static.usrfiles.com/ugd/b8c837_ada084d37453491c81c6fd609163feab.pdf
- https://static.usrfiles.com/ugd/b8c837_1cf55a1e12b049beaef37598af8b68c3.pdf
- https://static.usrfiles.com/ugd/dd4472_c0631935f1ca4190adcb17b6344a3ba9.pdf
- https://static.usrfiles.com/ugd/b8c837_21485fa6f9214a2188425a7cfd558307.pdf
- https://cdn.shopify.com/s/files/1/0432/6142/7876/files/vibewazalawitatijezazik.pdf
- https://cdn.shopify.com/s/files/1/0431/5119/6315/files/79675314529.pdf
- https://cdn.shopify.com/s/files/1/0431/4300/4322/files/fotorav.pdf
- https://static.usrfiles.com/ugd/432b07_5a530def3b094e2187a14abe4f1e57d1.pdf
- https://static.usrfiles.com/ugd/a91264_608a7ab11e13494ab01b96180389bab6.pdf
- https://static.usrfiles.com/ugd/fb83f1_5da92c37e7e5488aab631543fcae287e.pdf
- https://static.usrfiles.com/ugd/3e9e83_d110fea103854e9287273c51ab8cf1a8.pdf
- https://static.usrfiles.com/ugd/b8c837_4bccd6a9c70c48b3ae72f07ad2df43aa.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_off00006ce5.bin` `a9a954976c1e3633aceb05e17e038be24b5822e7499586b2a736fb9ef099f798`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6CE5	5352 bytes
`font_01_sfnt_off00007f01.bin` `e254328b97380684f4b35b3230e0b6c472d2ab2d18df424afd4a467c1f4019f5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7F01	10008 bytes

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