MALICIOUS
128
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains a lure for a 'Payment acknowledgement letter' and embeds a mass of external links, including one identified as a malicious redirector. The primary malicious URL is https://ttraff.ru/pify?keyword=payment+acknowledgement+letter+pdf, which likely serves as a gateway to further malicious content. The document's structure and the presence of numerous links suggest a phishing or social engineering attempt to redirect users to harmful sites.
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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Embedded URL info EMBEDDED_URLOne 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/pify?keyword=payment+acknowledgement+letter+pdf
- http://files.showboathouston.com/uploads/1/3/1/4/131452838/milevumekegen.pdf
- http://files.bonnieobrientattoo.com/uploads/1/3/1/6/131607010/5e8a9c490e.pdf
- http://files.stepsforsarcomaevent.com/uploads/1/3/2/3/132303175/2a04d68f9b4d55.pdf
- http://files.emorymichael.com/uploads/1/3/0/7/130775286/05bea.pdf
- http://files.silentorchestrapoetry.com/uploads/1/3/1/1/131164114/motel.pdf
- https://cdn.shopify.com/s/files/1/0438/4302/7106/files/1989_chevy_s10.pdf
- https://cdn.shopify.com/s/files/1/0431/0263/4148/files/ffxiv_machinist_guide.pdf
- https://cdn.shopify.com/s/files/1/0434/6085/3912/files/50805708850.pdf
- https://cdn.shopify.com/s/files/1/0434/8392/2585/files/starting_out_with_java_7th_edition.pdf
- https://cdn.shopify.com/s/files/1/0440/6365/4040/files/agile_methodology_tutorialspoint.pdf
- https://cdn.shopify.com/s/files/1/0434/0911/3253/files/9784593969.pdf
- https://cdn.shopify.com/s/files/1/0438/2290/7554/files/28999256078.pdf
- https://cdn.shopify.com/s/files/1/0427/4470/9276/files/biruzuzamukusivu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/57189589950.pdf
- https://cdn.shopify.com/s/files/1/0434/4958/1724/files/sazer.pdf
- https://cdn.shopify.com/s/files/1/0429/8443/9971/files/62012324028.pdf
- https://cdn.shopify.com/s/files/1/0430/8844/5591/files/50229410838.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_off00007394.binb7f317aa0f29cd34df008dc84d8f376d2685882a57a4a5cd0d86477d0adf885a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7394 | 2828 bytes |
font_01_sfnt_off00007d8f.bined1dcde965ccd1399e00904da5224d903eb9fe5b7e33155cb49acfbcc4542966 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D8F | 5556 bytes |
font_02_sfnt_off00009086.binfed44adf0fb1ad63f3825c99b0a311e4d29749d4025d0e4c8a7d77cffbff8592 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9086 | 9840 bytes |
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