PDF malware analysis — malicious · ac15533bddf8fe1a

MALICIOUS

PDF

62.3 KB Created: 2020-08-31 10:59:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 63af7e407697e36fc477063a84b6dd94 SHA-1: b7fe68f3249ec78cc27a74d2f6f3ba2a97792380 SHA-256: ac15533bddf8fe1a3d711c5a9d121cafadf741f330a731ec1f83079a95ff754a

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a significant number of embedded URLs, with one identified as a malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' and 'PDF_SEO_LINK_FARM' indicate a deliberate attempt to host a large number of external links. The primary malicious URL identified is https://ttraff.com/wix?keyword=ansi+y14+5m+2009, which likely serves as a gateway to further malicious content. The document body itself is heavily obfuscated and contains embedded URLs, reinforcing the malicious intent.

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=ansi+y14+5m+2009
- https://static.usrfiles.com/ugd/238140_c26bbaf865b74ad8a1c12f5a69d9de7b.pdf
- https://static.usrfiles.com/ugd/cf14a4_a139470ee0ed4385bc79f911cc20257b.pdf
- https://static.usrfiles.com/ugd/1813b3_b1df4279cd1b4f579266cde95a769e0a.pdf
- https://static.usrfiles.com/ugd/64f9d2_93f19f0243d242f98fe45c3ee30a298f.pdf
- https://static.usrfiles.com/ugd/2f07a1_2daaa71361ab46ec9e89d7080427dc62.pdf
- https://cdn.shopify.com/s/files/1/0435/3871/0696/files/30994451447.pdf
- https://cdn.shopify.com/s/files/1/0440/8626/3960/files/wi_fi_sync_iphone.pdf
- https://cdn.shopify.com/s/files/1/0432/8584/0036/files/45207338583.pdf
- https://static.usrfiles.com/ugd/e6092c_2fcb1c0121a1473eb6d4f72a36b520c4.pdf
- https://static.usrfiles.com/ugd/b8c837_70eb3797cd96432382bee261fb3a4c4d.pdf
- https://static.usrfiles.com/ugd/a2ebd8_cd948b7c7af44fe5be7e0354392c5c65.pdf
- https://static.usrfiles.com/ugd/0aab01_f5c1ef749c474188a2588a29dfb910f8.pdf
- https://static.usrfiles.com/ugd/c618e9_30025dbc4d0e4efbbf922dd503888202.pdf
- https://static.usrfiles.com/ugd/6240f8_656652bcfed748d0b95327ed9f15d69c.pdf
- https://static.usrfiles.com/ugd/3b7182_1a73acff771148478f055dac077e01e1.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000077d5.bin` `8ff9dfb62b544f44c05ba116c543a02a346b0453de4edc7b04d6b474f9e26e7e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x77D5	17968 bytes
`font_01_sfnt_off0000b11a.bin` `3b010d6485916e8df205aa2cf6bb0d5943d79899fa66d0b334b4ce0d0fc7becd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB11A	5276 bytes
`font_02_sfnt_off0000c312.bin` `b14b229addb88781f2ecab859833a06ef84c197de65a6c5d92c02ce619a16555`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC312	11988 bytes

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