MALICIOUS
130
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, many of which point to a link farm hosted on cdn.shopify.com, and one critical link to a known malicious redirector at ttraff.ru. The document body, though heavily obfuscated, contains text related to 'remittance letter sample pdf', suggesting a lure for financial-related phishing. The heuristic firings confirm the presence of malicious redirector links and a link farm, indicating a campaign to drive traffic to malicious 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/wb?keyword=remittance%20letter%20sample%20pdf
- http://files.jomehndi.com/uploads/1/3/1/6/131606465/365c31d885.pdf
- http://files.whitemtncommunitycoop.com/uploads/1/3/1/4/131437683/xatezofutexas.pdf
- http://files.grelenonline.com/uploads/1/3/0/7/130738852/zimis.pdf
- https://cdn.shopify.com/s/files/1/0430/6065/8333/files/bumirunulawelifadosu.pdf
- https://cdn.shopify.com/s/files/1/0435/0171/5622/files/96614157813.pdf
- https://cdn.shopify.com/s/files/1/0428/7676/4327/files/90638034373.pdf
- https://cdn.shopify.com/s/files/1/0427/3196/2535/files/11604694518.pdf
- https://cdn.shopify.com/s/files/1/0434/7101/2006/files/biohacking_secrets.pdf
- https://cdn.shopify.com/s/files/1/0431/7279/0427/files/les_revenants_season_3.pdf
- https://cdn.shopify.com/s/files/1/0430/8844/5604/files/tasurupowojolajakot.pdf
- https://cdn.shopify.com/s/files/1/0440/0611/3430/files/gexonufosurudokowef.pdf
- https://cdn.shopify.com/s/files/1/0436/8472/4889/files/ayushman_bharat_banner.pdf
- https://cdn.shopify.com/s/files/1/0433/9059/9319/files/mifipedabamom.pdf
- https://cdn.shopify.com/s/files/1/0431/2937/2832/files/lijeguvanarep.pdf
- https://cdn.shopify.com/s/files/1/0431/3694/2234/files/lubenomewilopumadijenad.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_off00005ff3.bin6bb2a13deee51c0b4b13da5a53c448214bc6c78a5337ff06946f269445434b58 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FF3 | 5308 bytes |
font_01_sfnt_off000071df.binc3b81ae0c48c88b4d76bd69ec9da1db8b248a1b9d7a00abbfb1c2ceeca118ca0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71DF | 9656 bytes |
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