PDF malware analysis — malicious · 4ac7a84b312a556d

MALICIOUS

PDF

43.3 KB Created: 2020-09-07 19:15:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3f2aaf5b5074b660fe01668d0ea3f809 SHA-1: 2bd346aeef35afada79b21bc294d6d2089436e65 SHA-256: 4ac7a84b312a556d7ff680cfc328862fe8e67c8acf246c0214f3d324849f2f25

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.club/wix?keyword=a+p+d+v+full+form'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, many of which lead to Shopify-hosted PDFs. The document body contains garbled text but also includes the suspicious URL and several benign-looking PDF links, suggesting a lure to a malicious site disguised as a document. No scripts were extracted, but the presence of a malicious redirector and link farm indicates a phishing or redirection attempt.

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.club/wix?keyword=a+p+d+v+full+form
- https://static.usrfiles.com/ugd/d54300_383da6254b6f4fc890d725e45f19ad4a.pdf
- https://static.usrfiles.com/ugd/b8bbd7_bb120e851e024b67bc945347834f8c52.pdf
- https://static.usrfiles.com/ugd/17159d_173e737985294a639e3d888a8a286a2c.pdf
- https://static.usrfiles.com/ugd/07e02c_09c96de6d2754fd194a6d42e1cbf66ed.pdf
- https://cdn.shopify.com/s/files/1/0437/3122/2689/files/zazomepaboreri.pdf
- https://cdn.shopify.com/s/files/1/0435/2658/6520/files/88702398747.pdf
- https://cdn.shopify.com/s/files/1/0431/0673/0144/files/11660390056.pdf
- https://cdn.shopify.com/s/files/1/0434/9755/4084/files/animal_cell_functions.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sasukeseduvemuledup.pdf
- https://cdn.shopify.com/s/files/1/0451/9854/0949/files/17912877354.pdf
- https://cdn.shopify.com/s/files/1/0432/7030/7995/files/atto_notorio_format.pdf
- https://cdn.shopify.com/s/files/1/0434/0878/5562/files/asma_pada_bayi.pdf
- https://cdn.shopify.com/s/files/1/0440/0765/3526/files/81855425639.pdf
- https://static.usrfiles.com/ugd/6d59ab_2199427826514a44a191e7338717567e.pdf
- https://static.usrfiles.com/ugd/4bb894_0c9fce047e20487db5b76669f77ba847.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005f69.bin` `e4add3b52bc789832b1a104ec32d1a876ff38ae0e81c64b5cae10b86f9b22778`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F69	4848 bytes
`font_01_sfnt_off00006fd4.bin` `47cb6e6abc7099ff90a863a2f7adaa0f0a36cf2200468900577468b6c4f4e242`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6FD4	4848 bytes
`font_02_sfnt_off00007d5e.bin` `34ce0adccfb40607d981a965b2442dab868a61140082f61b4ff799113170b81d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7D5E	10128 bytes

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