PDF malware analysis — malicious · c9bed0294e6817d6

MALICIOUS

PDF

58.0 KB Created: 2020-08-29 07:26:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 756b11800b55ad9623af7441ed09e389 SHA-1: 53da142c2c3197488b0462b161a30510a093e4ca SHA-256: c9bed0294e6817d64976f26400d19b627e77c7dba075a6474999c6edbb55ff43

120 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF document contains a mass of external links, including a critical link to a known malicious redirector at 'https://ttraff.ru/wix?keyword=2003+mercedes+benz+ml350+owners+manual'. The document body, though heavily obfuscated, appears to contain text related to a vehicle owner's manual, suggesting a lure to trick users into clicking the malicious link. The presence of numerous benign-looking PDF links on Shopify domains indicates a potential SEO poisoning or link farm strategy to distribute the 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=2003+mercedes+benz+ml350+owners+manual
- https://cdn.shopify.co
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tikifulodu.pdf
- https://cdn.shopify.com/s/files/1/0434/1510/9797/files/kabbalah_arbol_de_la_vida.pdf
- https://cdn.shopify.com/s/files/1/0432/7361/7576/files/vasoganesiwonoziruxufotu.pdf
- https://cdn.shopify.com/s/files/1/0429/6412/3814/files/imperative_english_grammar.pdf
- https://cdn.shopify.com/s/files/1/0434/7818/8198/files/kezizu.pdf
- https://static.usrfiles.com/ugd/b8c837_96d04563b91e43d4904875a785eaa00c.pdf
- https://static.usrfiles.com/ugd/b8c837_81611af586b04fcfa36ba52566eaba96.pdf
- https://cdn.shopify.com/s/files/1/0434/5122/0120/files/areds2_study.pdf
- https://cdn.shopify.com/s/files/1/0447/1622/8761/files/24760921427.pdf
- https://cdn.shopify.com/s/files/1/0435/9671/0047/files/14072134491.pdf
- https://cdn.shopify.com/s/files/1/0431/3071/6322/files/gomobekuri.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gujogu.pdf
- https://cdn.shopify.com/s/files/1/0429/7926/2623/files/auto_rotate_screen_android_9.pdf
- https://cdn.shopify.com/s/files/1/0428/9134/6079/files/rojaxab.pdf
- https://cdn.shopify.com/s/files/1/0431/8062/1984/files/pinball_wizard_tab.pdf
- https://cdn.shopify.com/s/files/1/0436/9698/0136/files/measurement_system_analysis_4th_edition.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_off00009b34.bin` `4dc7166dd3f31a086ae601d4be5e3ccb8dba39715c3cbfc733b747081746bf34`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9B34	5832 bytes
`font_01_sfnt_off0000aef8.bin` `de8be57723fbd7a102e7952423fe21ed0fcfd1a6be70dc2af3eb42b9f401b169`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAEF8	14232 bytes

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