PDF malware analysis — malicious · c87de232fa778b83

MALICIOUS

PDF

40.9 KB Created: 2020-08-19 15:11:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: d049ad529d7705390ad5c13775b50a22 SHA-1: 4d64900173f1508b163ca63d0f15a940827d6c12 SHA-256: c87de232fa778b83c095f27be2fd3e73eb5dfe4774f4100cf4821bbebd466920

160 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF document contains a social engineering lure, instructing the user to install a browser extension or update to view content. It embeds numerous links, including one to a known malicious redirector at `ttraff.com/pify?keyword=dumb+update+android+app`. This suggests the document is designed to trick users into visiting malicious sites, likely for credential theft or malware delivery.

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.com/pify?keyword=dumb+update+android+app
- http://files.autochekcenters.com/uploads/1/3/0/7/130775286/6435763.pdf
- http://firizeban.mistymeadowsfarm.net/uploads/1/3/1/6/131636665/9888304.pdf
- https://cdn.shopify.com/s/files/1/0437/9885/5840/files/architect_s_handbook_of_professional_practice_free_download.pdf
- https://cdn.shopify.com/s/files/1/0436/2164/6498/files/78971745528.pdf
- https://cdn.shopify.com/s/files/1/0433/4072/6427/files/63746571854.pdf
- https://cdn.shopify.com/s/files/1/0431/8488/1824/files/rivugonomebepasut.pdf
- https://cdn.shopify.com/s/files/1/0447/1151/0170/files/d_d_4th_edition_character_sheet.pdf
- https://cdn.shopify.com/s/files/1/0451/8277/9541/files/breath_of_the_wild_water_guides_shrine.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/34515707504.pdf
- https://cdn.shopify.com/s/files/1/0432/0028/2779/files/22743899772.pdf
- https://cdn.shopify.com/s/files/1/0453/8423/7224/files/calendrio_2017_com_feriados.pdf
- https://cdn.shopify.com/s/files/1/0437/1080/8213/files/49266563880.pdf
- https://cdn.shopify.com/s/files/1/0432/7335/5424/files/lamimegamusufuwedusowivak.pdf
- https://cdn.shopify.com/s/files/1/0431/6656/4520/files/5723472851.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_off00006210.bin` `d787e077bc55454dfac4ca57c999afaa3f76832ad4d05c10e438366f6017d8f9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6210	5036 bytes
`font_01_sfnt_off00007311.bin` `811160eb37ae74a701f66f46d58b1708dc0a72837cf7407f3d39c96d58a5ebae`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7311	10488 bytes

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