PDF malware analysis — malicious · 7d293a8899ca62e7

MALICIOUS

PDF

37.6 KB Created: 2020-08-28 23:23:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9d8c3fd3c3d7940ce0362c5365f85a23 SHA-1: 7977cd5641a43ca4d8d40698e72d4990889f28b1 SHA-256: 7d293a8899ca62e70902230df08ffa0b63a44bb29d5ed73b1f04a9a67bb3a579

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of external links, many of which point to a redirector service. The primary malicious URL identified is https://ttraff.com/wix?keyword=eg+civic+b+series+swap+guide, which is flagged as a malicious redirector. This indicates the document is designed to lure users to malicious sites, likely for phishing or malware delivery. No scripts were extracted from this sample.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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=eg+civic+b+series+swap+guide
- https://static.usrfiles.com/ugd/b8c837_2f4c05d4cd9f4809ad1a8fb468ce694b.pdf
- https://static.usrfiles.com/ugd/b8c837_e60d38d172564e7582d1c6a0d27d4e02.pdf
- https://static.usrfiles.com/ugd/b8c837_da29784fddc941709d1303eb22aad9c3.pdf
- https://static.usrfiles.com/ugd/b8c837_75d5d82399a74aec98401ac42c2378e0.pdf
- https://static.usrfiles.com/ugd/b8c837_1351572647e1432a8131b2b08e7c330b.pdf
- https://cdn.shopify.com/s/files/1/0436/0532/8034/files/behavioral_science_textbook.pdf
- https://cdn.shopify.com/s/files/1/0433/8958/3514/files/76872630660.pdf
- https://cdn.shopify.com/s/files/1/0433/5301/4423/files/prime_the_beef_cookbook.pdf
- https://static.usrfiles.com/ugd/b8c837_bd1a8274c51f454a8fef573f351975b6.pdf
- https://static.usrfiles.com/ugd/b8c837_dd3f338279524cbdb4d0238203f1e331.pdf
- https://static.usrfiles.com/ugd/b8c837_5ee8e9394f0c476390bdde06fccc6296.pdf
- https://static.usrfiles.com/ugd/b8c837_a8298549005b4d39998f7f2e7733af31.pdf
- https://static.usrfiles.com/ugd/b8c837_b10f1ca66d2d46b0a9a5e89f3e9c9169.pdf
- https://static.usrfiles.com/ugd/b8c837_bec52d215bef415bab6634e77357ab05.pdf
- https://static.usrfiles.com/ugd/b8c837_471ef8e33f964ebba8d3aa96f8b02e83.pdf
- https://static.usrfiles.com/ugd/b8c837_006d5a0a982742478c06803b5a634c69.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_off000054b2.bin` `151d956e72e22f23fae96ecc5280f678824af1341b7dfe22abf96faff3ccb69e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x54B2	5460 bytes
`font_01_sfnt_off00006765.bin` `12eb9c560d24c8818d4e0f8e98b76bc5ab4f8b46068729090ee0520f98064151`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6765	10064 bytes

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