PDF malware analysis — malicious · 7e3a7d465aa73c35

MALICIOUS

PDF

52.6 KB Created: 2020-08-31 07:17:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6582b82a4814183037a6521482035173 SHA-1: 6ae8e39a20458c3fee7c99b94f88cb1fb9cf1d68 SHA-256: 7e3a7d465aa73c3583a92d034ca650601ba140cf617a991a0a62519bbdcee0bf

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, pointing to 'ttraff.cc'. The document body, though heavily obfuscated, contains text related to a literature guide and the malicious URL. This suggests a social engineering lure to trick users into clicking the link, which then redirects to malicious infrastructure.

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.cc/wix?keyword=2011+secondary+solutions+macbeth+literature+guide+answers
- https://static.usrfiles.com/ugd/87a178_90fc1e82b9bf435c89e1b6f5b9a78ea8.pdf
- https://static.usrfiles.com/ugd/b8c837_38c8f7ec8ff14a9e93db357aff1485b5.pdf
- https://static.usrfiles.com/ugd/b8c837_c025833d1d234c23969e4c6b46ed53dd.pdf
- https://static.usrfiles.com/ugd/b8c837_bcdeb140de8b4a1b8d6cfe3dab11a079.pdf
- https://cdn.shopify.com/s/files/1/0438/6576/8096/files/fefovetu.pdf
- https://cdn.shopify.com/s/files/1/0432/5212/1762/files/lagu_my_ambulance_thailand.pdf
- https://static.usrfiles.com/ugd/b8c837_d432e32bd3b54e0988582ef2b3f4adce.pdf
- https://static.usrfiles.com/ugd/b8c837_6bb7376ddafa4b858ccae59bcf8f2591.pdf
- https://static.usrfiles.com/ugd/b8c837_d2107f59420e4d568e9b97a5aecfc079.pdf
- https://static.usrfiles.com/ugd/5438e3_82251ad331f341f3a368d086a55ede94.pdf
- https://static.usrfiles.com/ugd/b8c837_563bce6c44624919b8f09561690b991b.pdf
- https://static.usrfiles.com/ugd/5af86b_180a2cd386ec45dcb491f2ce36e5e0f7.pdf
- https://static.usrfiles.com/ugd/b8c837_9aa0d87e4816464cadb7aeea5e4e63ad.pdf
- https://static.usrfiles.com/ugd/5b9a87_00f6f9229fed43a5864f97fec8670d11.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_off00008cc2.bin` `9d2713c65e40d00163b8ac281d4d0993fff9be320cfc48ca2bebc3db3156c1ea`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8CC2	5920 bytes
`font_01_sfnt_off0000a0bf.bin` `a91a0f8468743024e4292655e6990fd7fa87c35eb0cc24e05c8c94d894c84052`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA0BF	10732 bytes

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