PDF malware analysis — malicious · 89806b0ef8edf2b1

MALICIOUS

PDF

43.6 KB Created: 2020-08-24 07:08:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 2f3ada947d77b6a881e695ecfdf765db SHA-1: cc6f47f0a998a197303e465e911b7be9a27261bf SHA-256: 89806b0ef8edf2b13c7281298484fbdac7b44c8a03a831bcd74f5c954dbc740c

162 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains a heuristic firing for a malicious redirector link and a link farm, indicating a social engineering attempt. The document body and embedded link suggest a lure to install a browser extension or update. The primary malicious URL identified is https://ttraff.cc/pify?keyword=android+chrome+always+show+desktop+site, which is likely used to redirect the user to a further malicious destination.

Heuristics 4

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.
Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE

Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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.cc/pify?keyword=android+chrome+always+show+desktop+site
- http://vijemov.nostalgicapex.com/uploads/1/3/0/8/130814328/bc799a219.pdf
- http://files.phillyiday.org/uploads/1/3/1/3/131383325/lefeja.pdf
- http://files.reconcilesoftball.com/uploads/1/3/1/4/131452942/metejumitusopaziv.pdf
- http://files.thenottinghamfour.com/uploads/1/3/1/8/131857626/takeladubewo.pdf
- http://files.phillyiday.org/uploads/1/3/1/3/131383325/lefeja.pd
- https://cdn.shopify.com/s/files/1/0427/4470/9276/files/15490722663.pdf
- https://cdn.shopify.com/s/files/1/0433/1218/5494/files/rozujinadir.pdf
- https://cdn.shopify.com/s/files/1/0431/2304/8610/files/30896369115.pdf
- https://cdn.shopify.com/s/files/1/0435/0204/3288/files/65643627909.pdf
- https://cdn.shopify.com/s/files/1/0433/9056/6556/files/dufeponujonoxode.pdf
- https://cdn.shopify.com/s/files/1/0427/7505/2454/files/wawazebazemide.pdf
- https://cdn.shopify.com/s/files/1/0431/3546/7682/files/bexutasifowexe.pdf
- https://cdn.shopify.com/s/files/1/0429/3145/4119/files/tidasa.pdf
- https://cdn.shopify.com/s/files/1/0429/0219/2284/files/lagaleduwu.pdf
- https://cdn.shopify.com/s/files/1/0433/6844/8165/files/ethanol_production_from_sugarcane_project_report.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_off00006a8b.bin` `98926cab5dd74f414a6451083d388883ca83b63d8b40702707b8fca0abb8fefc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6A8B	5560 bytes
`font_01_sfnt_off00007d50.bin` `0fb3a2bd775aa124035757a6bb6834ae68e643dad17b56eff8b95db68fada141`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7D50	10456 bytes

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