MALICIOUS
128
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text suggesting a 'promissory note' lure, aligning with the 'SE_INVOICE_LURE' heuristic. The primary malicious URL identified is ttraff.ru, which redirects to a page related to promissory notes. The PDF also hosts a large number of other PDF files on Shopify domains, likely for SEO manipulation to improve search engine ranking for malicious lures.
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=promissory+note+pdf+free
- http://files.musiccitypetpartners.org/uploads/1/3/0/7/130739470/6195961.pdf
- http://files.800steps.com/uploads/1/3/0/8/130813966/9495548.pdf
- http://files.mli-magazine.com/uploads/1/3/1/3/131398386/tijexazeriji.pdf
- http://files.polkerrisbeachhouse.com/uploads/1/3/2/8/132814276/bagizelosubowodiga.pdf
- https://cdn.shopify.co
- https://cdn.shopify.com/s/files/1/0438/9981/4040/files/fiche_de_paie_2020.pdf
- https://cdn.shopify.com/s/files/1/0428/3426/4231/files/pomomudiki.pdf
- https://cdn.shopify.com/s/files/1/0434/8284/1250/files/puwakegubu.pdf
- https://cdn.shopify.com/s/files/1/0431/6636/7895/files/colley_vector_calculus_solutions.pdf
- https://cdn.shopify.com/s/files/1/0440/5172/6501/files/76936460791.pdf
- https://cdn.shopify.com/s/files/1/0431/4152/9754/files/79496024978.pdf
- https://cdn.shopify.com/s/files/1/0429/6255/0940/files/dejufenerikiv.pdf
- https://cdn.shopify.com/s/files/1/0431/2137/7434/files/44925799297.pdf
- https://cdn.shopify.com/s/files/1/0434/3146/1016/files/gisevojufuvugiwunijop.pdf
- https://cdn.shopify.com/s/files/1/0431/5601/3205/files/dupuzisedidabug.pdf
- https://cdn.shopify.com/s/files/1/0427/7341/4055/files/12635879513.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_off00008417.bine4ebaf9c343f2a016fa365bc8dd665dd1686d65588702b7f4c6f2a62857691b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8417 | 5048 bytes |
font_01_sfnt_off0000953a.bin5e7bb769a8c817d35eec776dbfb638761aa22830109ee6da1fdedbc252afff54 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x953A | 10548 bytes |
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