PDF malware analysis — malicious · 93483845c7e3c358

MALICIOUS

PDF

65.8 KB Created: 2020-09-04 13:29:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 007e59c318a1658ddec2cf61a8fff102 SHA-1: 7f4729b918484b4dd6b21f68074d68bcab023906 SHA-256: 93483845c7e3c358896207b8f18ca9d2f3078d097f79610fa70c90e7d1a533e8

150 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains a significant number of embedded links, with one identified as a malicious redirector. The primary malicious URL, 'https://ttraff.ru/wix?keyword=brochevarevarura+movie+2019+songs', is likely used to funnel victims to further malicious content. The presence of a link farm suggests an attempt to broaden the reach of the malicious infrastructure.

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.ru/wix?keyword=brochevarevarura+movie+2019+songs
- https://static.usrfiles.com/ugd/822ecd_aeba1cdf4f0244f38ede91ecec8170c3.pdf
- https://static.usrfiles.com/ugd/b58d21_3a3b81658f464e3fbd267f6475161758.pdf
- https://static.usrfiles.com/ugd/90423f_e57e406c34bb4358b10c5b839a4fad9b.pdf
- https://static.usrfiles.com/ugd/b8c837_da641bfb739c4c13890db8ffbc1f5b1d.pdf
- https://static.usrfiles.com/ugd/cc03df_324c65b0abd5403aa82a4b89f72ac76f.pdf
- https://static.usrfiles.com/ugd/b8c837_fbad77c40c464302a7f3396c96280163.pdf
- https://cdn.shopify.com/s/files/1/0434/1540/4695/files/usb_devices_disabled_on_macbook_pro.pdf
- https://cdn.shopify.com/s/files/1/0439/0184/5659/files/metadizuwiwawukum.pdf
- https://static.usrfiles.com/ugd/8e6e76_ca4c45b43c154723a37d69743787c204.pdf
- https://static.usrfiles.com/ugd/8b49c6_5b664b36a01441ddbab001b8798e15af.pdf
- https://static.usrfiles.com/ugd/fbccce_d79097d86c654c16ad3fa404399313a7.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
`font_00_sfnt_off00007ed6.bin` `b2321aeca6469085105f3c055249c692ddd9b0bf4694e87e8410cdf8837e16a1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7ED6	5772 bytes
`font_01_sfnt_off00009259.bin` `e79b43e0fa453fc9f43787504f1b7a4b72a9d5425110ad33132632ca3199d2aa`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9259	12036 bytes
`font_02_sfnt_off0000b0a6.bin` `a789c9ad958ec0395ac1552cae0942681dcd0ca187039812db73a386544a9afe`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB0A6	4856 bytes
`font_03_sfnt_off0000bdd1.bin` `867de987b619e1b935621fd13936269f5171d425e88168b73a26038dd87bd090`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBDD1	10452 bytes
`font_04_sfnt_off0000e18f.bin` `be3189ea0791cdbf9725898a2379118fc8e653cb2ea313bdfd93aafca079631f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE18F	17008 bytes

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