PDF malware analysis — malicious · 39dfefa01f88f849

MALICIOUS

PDF

44.2 KB Created: 2020-09-02 11:17:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4497b526928f2c40ccdabb63e2f4e17f SHA-1: a365614b6f3498a839124f88a60af054f7de75bb SHA-256: 39dfefa01f88f84917f109cbcf314086e2ede3468698bd3307d1746a971cf48d

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link T1059.001 PowerShell

The PDF file contains numerous embedded links, a technique often used for SEO spam or to redirect users to malicious sites. One prominent URL, 'https://ttraff.com/wix?keyword=bismillah+khan+shehnai++free+wedding', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains this same URL, suggesting the primary intent is to drive traffic to this malicious domain. No scripts were extracted, limiting the analysis of further payload delivery.

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=bismillah+khan+shehnai++free+wedding
- https://static.usrfiles.com/ugd/3ed902_bafbac504ba9423095270ad823546665.pdf
- https://static.usrfiles.com/ugd/b8c837_6d73cf8433204135b91e152131b56768.pdf
- https://static.usrfiles.com/ugd/9734e7_565727033eb04c808d7e9b8a6660b9e9.pdf
- https://static.usrfiles.com/ugd/b8c837_1e8b58bd82aa49dc92c738dd33a65d70.pdf
- https://static.usrfiles.com/ugd/e5a943_88d38cfd5716400288ec7e10f0c61e4d.pdf
- https://static.usrfiles.com/ugd/b8c837_ab1ce2e910374072bfb857a175e262b6.pdf
- https://static.usrfiles.com/ugd/89064d_a5268cc1b22f40b7a31a14b2506197cc.pdf
- https://static.usrfiles.com/ugd/99afdc_91058dc9b0e24a5a932754556c90f08d.pdf
- https://static.usrfiles.com/ugd/54fa57_3cb1d308d17841e4be7c123accd33aff.pdf
- https://static.usrfiles.com/ugd/ae059d_1b90270922fc4d6d864d9b8b93efb323.pdf
- https://static.usrfiles.com/ugd/efb3f0_fd4d2a932c24487d8f4e4bb452f1b0d3.pdf
- https://static.usrfiles.com/ugd/7e0eb0_3cb1d832d5bd42f4a816fc6e84986278.pdf
- https://static.usrfiles.com/ugd/4117a9_8a6d531c58f94df5a67164a0071d1789.pdf
- https://cdn.shopify.com/s/files/1/0440/4068/3685/files/prayer_xp_calc_osrs.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71340125447.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000074d4.bin` `bba557fa880ec594d5add333f4abca029c5cd0eef0f1f80e993e83ade725a929`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x74D4	5524 bytes
`font_01_sfnt_off0000878a.bin` `5ed0887e1c40d5ffb8dab064916076c99b5a2ec004256204d5cb627d7a065831`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x878A	11736 bytes

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