PDF malware analysis — malicious · c63b8c35b9d66b2c

MALICIOUS

PDF

63.7 KB Created: 2020-08-28 21:41:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: c4a8c41955fb415dd359f72f855d7096 SHA-1: 74135526408e36914af491428c1b5b09d2b9231c SHA-256: c63b8c35b9d66b2c6fecfc2db0d5970bd69ae51edd716a663e8c7506cde8fea9

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body also contains this URL, suggesting a lure to download content. The presence of a download button heuristic further supports this attack pattern. No scripts were extracted from this sample.

Heuristics 4

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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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=pmbok+guide+2017+download
- https://static.usrfiles.com/ugd/b8c837_8e04610e10ff46a4b195ffd7d0581162.pdf
- https://static.usrfiles.com/ugd/b8c837_77c975ca356f4feab207798eb7a5a9c0.pdf
- https://static.usrfiles.com/ugd/b8c837_5f07abd4e94e4775beff56f609c3000f.pdf
- https://static.usrfiles.com/ugd/b8c837_590ecfa9c212456080d2cc9d8e5beffb.pdf
- https://cdn.shopify.com/s/files/1/0428/8207/2732/files/butoxalatur.pdf
- https://cdn.shopify.com/s/files/1/0440/9199/8360/files/jibapobudor.pdf
- https://cdn.shopify.com/s/files/1/0438/2277/6477/files/le_comptoir_de_mathilde_annecy.pdf
- https://cdn.shopify.com/s/files/1/0437/3001/0263/files/klein_conduit_bender_guide.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rumifagekesodurelakalon.pdf
- https://cdn.shopify.com/s/files/1/0450/8496/7077/files/command_prompt_commands_for_windows_10.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 5

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_006_off0000bc1e.bin` `098cd1bb241cdcea16ab9745ef56142a578ffee06abaeff358b54718a36d967a`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0xBC1E	22452 bytes
`font_00_sfnt_off0000614d.bin` `cf9c489b70faef8217c989f764b7b7aaef32ebbad96992f79409b6c94aea818a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x614D	7392 bytes
`font_01_sfnt_off00007a6e.bin` `19813d7db4700b46e89e36a563a23dd745874c4c5ca59770d5c38da358be0f52`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7A6E	5376 bytes
`font_02_sfnt_off00008cb4.bin` `3e50e8aa8fc54882181451db7d5a7df5b8f7ecc7876f6f78fc6d02809aa82dcb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8CB4	14856 bytes
`font_04_sfnt_off0000e38b.bin` `ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE38B	4324 bytes

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