PDF malware analysis — malicious · a102e7f1f3c88a66

MALICIOUS

PDF

128.6 KB Created: 2020-09-01 02:20:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4d7b93c6abdfafd91a2c8deb75498f6b SHA-1: 36ad53564641d77d192accb3acd2e685fee83696 SHA-256: a102e7f1f3c88a660e85180d546f756dc55618825963181bec69005ac8d87149

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was identified as malicious due to its inclusion of a large number of external links, characteristic of a link farm. One of these links, 'https://ttraff.me/wix?keyword=simple+html5+templates+for+beginners', is flagged as a known malicious redirector. The document body, though heavily obfuscated, contains this same URL, suggesting it is the primary lure. The intent appears to be directing users to malicious infrastructure through a deceptive link.

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.me/wix?keyword=simple+html5+templates+for+beginners
- https://static.usrfiles.com/ugd/1cc777_07275494cd544ef1b7b9e4a2fade8838.pdf
- https://static.usrfiles.com/ugd/b5472a_e59b0aa014724effa9606f339d64382b.pdf
- https://static.usrfiles.com/ugd/221f3a_595bfae097dd417ab7d9d1fba82dc6b0.pdf
- https://static.usrfiles.com/ugd/4d6844_8ce6c066432f446da0502200fd1ad0a9.pdf
- https://static.usrfiles.com/ugd/314c35_fd94c740a85c47809ca68c57dc1723a2.pdf
- https://static.usrfiles.com/ugd/b8c837_e9550f5ebfc54c1f9895287dfe1b2dab.pdf
- https://static.usrfiles.com/ugd/b8c837_c9a9fea88f0240649fe5c4050693dea6.pdf
- https://static.usrfiles.com/ugd/2f8cea_ad94535a234547f892da76b9be618acf.pdf
- https://static.usrfiles.com/ugd/b47706_27f58d485e8045d68e128fc56d70e85a.pdf
- https://static.usrfiles.com/ugd/7603ae_716facaaac8d4eacab4147c40005d9d4.pdf
- https://static.usrfiles.com/ugd/24853a_d78cc2fb14474857b6e825b7b14f848b.pdf
- https://static.usrfiles.com/ugd/d17951_a9abf352ad23448aa496b473aad31e43.pdf
- https://static.usrfiles.com/ugd/63d3ad_86f2175774e14e2a8b50413583cf1466.pdf
- https://static.usrfiles.com/ugd/4c1554_6290be3d38304b32889e2c8436491fe4.pdf
- https://static.usrfiles.com/ugd/f84671_2668ac22223a4169868b7d2e0dcb854c.pdf
- https://static.usrfiles.com/ugd/c836c3_2ec2ab5d2bb3470599f87ff65341cc5c.pdf
- https://static.usrfiles.com/ugd/b4f0c6_f17e6a105b1345c8b9bf0287924a2c4f.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_off0001bda7.bin` `387bc95c414e6a8d3b2c0e83d03bce1eea5de4edd5bef7028308618f96867b9d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1BDA7	5680 bytes
`font_01_sfnt_off0001d0c3.bin` `5c6bf2bed0acb83a6c1476d32262097a92494c60f15f05dfac4a66f870adf372`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1D0C3	10652 bytes

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