PDF malware analysis — malicious · feee97a65afa6c2d

MALICIOUS

PDF

36.4 KB Created: 2020-09-14 06:49:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 92cdc15c9eb0b284191f3e95e591c40d SHA-1: f1a1866947f76e9c9be1da33f003afa19f315f98 SHA-256: feee97a65afa6c2d505d690ed6ad4054b794ec433a9174c0eb6cd8afd90cabbb

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file exhibits characteristics of a link farm, with numerous embedded URLs. One critical heuristic identified a link to a known malicious redirector, 'ttraff.link', which is likely used to obscure the final destination of the malicious payload. The document body contains garbled text, suggesting it's not intended for direct user consumption but rather as a vessel for these links. The presence of many external PDF links further supports the attack pattern of SEO manipulation or hosting 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.link/wix?keyword=python+module+2+test+answers
- http://files.olympiamarines.org/uploads/1/3/0/8/130874495/dc1a4.pdf
- http://files.borninswedenblog.com/uploads/1/3/1/3/131384442/5791962.pdf
- http://dewevole.thewrightfamilylincolnshire.com/uploads/1/3/2/3/132302936/vetat.pdf
- https://static.usrfiles.com/ugd/6d45f6_32c13a7472ab4908bf07e15f6371ada0.pdf
- https://static.usrfiles.com/ugd/03f576_bd8a18d6b60f4524b5ce0019eb0f157b.pdf
- https://static.usrfiles.com/ugd/2d1648_22eb7e1dfa1d454180667a0cf267cccf.pdf
- https://static.usrfiles.com/ugd/72ed28_771c6dda4ef144b0b5396fac53a4394d.pdf
- https://static.usrfiles.com/ugd/b8c837_596eac91c3754e41a552bd17dde78c53.pdf
- https://static.usrfiles.com/ugd/a76634_4b7f40fbf2504c40b47672434f86bc67.pdf
- https://static.usrfiles.com/ugd/078c79_e00c497406cd4287bf05e3f27ff26068.pdf
- https://static.usrfiles.com/ugd/120f26_57e0a081a135418cbfaaca36e36e9510.pdf
- https://static.usrfiles.com/ugd/b8c837_70aacd58c37a44dcb7a9985d0aba8afe.pdf
- https://cdn.shopify.com/s/files/1/0434/6842/3334/files/php_explode_function.pdf
- https://cdn.shopify.com/s/files/1/0463/6242/7547/files/mulidoju.pdf
- https://cdn.shopify.com/s/files/1/0464/1020/3304/files/zisiraxetosivitedin.pdf
- https://cdn.shopify.com/s/files/1/0432/2718/5309/files/daily_routine_esl_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0430/4571/6129/files/tadivokedarojemaxi.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_off00005192.bin` `ba1f947959c8a00ce2c68f543d21d5d6268835b18a8377758ad5d01883c8d1b0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5192	5392 bytes
`font_01_sfnt_off000063cf.bin` `05bd0e7aef034c73e8fca13b603f1518a9cd20f773f5236ee02bcc1d6ec8ca45`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x63CF	9752 bytes

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