PDF malware analysis — malicious · f30e9e6f6731a3c2

MALICIOUS

PDF

41.7 KB Created: 2020-09-01 02:00:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 969660f912f0601728be0197c2b79b1e SHA-1: 24d0b3ee4fe144e794c3e97c9b7f807a54eb1a83 SHA-256: f30e9e6f6731a3c272ce87108a218eeb42a0c943b66f5a886547d782f11518a2

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link farm and a direct link to a redirector URL, indicating a phishing or malicious content delivery attempt. The document body, though heavily obfuscated, contains keywords related to the redirector URL's query parameters, suggesting a lure for song lyrics. The primary malicious IOC is the redirector URL, which is likely used to funnel victims to further malicious content.

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.ru/wix?keyword=narasimha+songs++masstamilan
- https://static.usrfiles.com/ugd/b8c837_219904eb461341b78c0d4031c6bdbdb9.pdf
- https://static.usrfiles.com/ugd/299074_b746897e6a504ee0b0d9d55ce34105b6.pdf
- https://static.usrfiles.com/ugd/b8c837_bc5f17f1c9a64ac3bf44c0439541038a.pdf
- https://static.usrfiles.com/ugd/b8c837_2cd532f9925f4169925743fadcbb9441.pdf
- https://cdn.shopify.com/s/files/1/0427/6345/2583/files/barycentre_cours_seconde.pdf
- https://static.usrfiles.com/ugd/b8c837_660e91e05a264cf58167280eab440006.pdf
- https://static.usrfiles.com/ugd/6c032c_405fd81209104748ab0a633b769c8d21.pdf
- https://static.usrfiles.com/ugd/2e16aa_a9fbf41e8c37412fb3b1c097a8378e42.pdf
- https://static.usrfiles.com/ugd/b8c837_3c7ca42a9a1147c2a5e7db55848aa109.pdf
- https://static.usrfiles.com/ugd/18122d_a1fa682198154602be2fc8772ce0fbe9.pdf
- https://static.usrfiles.com/ugd/b8c837_fa3f1faec73e480c94bc9a41c8222df8.pdf
- https://static.usrfiles.com/ugd/b8c837_3d11e7ab723e474db2ac34467a97e171.pdf
- https://static.usrfiles.com/ugd/a58b01_4ea980742e994f35a443f7071b3e29f7.pdf
- https://static.usrfiles.com/ugd/963627_abaca6f4eb4f4cf1b71a094ec1aad9d5.pdf
- https://static.usrfiles.com/ugd/b8c8

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006803.bin` `228f0fc97e525556041f9a612da32647dceef7ac909e2d8a88a07e2006b14d11`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6803	5068 bytes
`font_01_sfnt_off0000791c.bin` `802f67926322382347306970803ecbdbfa0185d0a0d3ea1f7c8204a68fb5506e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x791C	13320 bytes

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