MALICIOUS
128
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains text suggesting a 'payroll system proposal', aligning with the 'SE_INVOICE_LURE' heuristic. The primary malicious link, 'https://ttraff.ru/pify?keyword=payroll+system+proposal+pdf', is a critical indicator. The file also exhibits characteristics of a link farm, with numerous external PDF links, suggesting an attempt to manipulate search engine results or distribute further malicious content.
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=payroll+system+proposal+pdf
- http://files.timkentart.com/uploads/1/3/2/6/132681156/jabijonunasade.pdf
- http://files.bonding.no/uploads/1/3/1/6/131637606/1860893.pdf
- http://files.wisdellshomes.com/uploads/1/3/1/3/131379615/xifusago.pdf
- https://cdn.shopify.com/s/files/1/0434/7274/8710/files/tobebirumu.pdf
- https://cdn.shopify.com/s/files/1/0434/2002/4989/files/buviwapejazukepupelakaka.pdf
- https://cdn.shopify.com/s/files/1/0439/4795/0248/files/bajexipefapefinamow.pdf
- https://cdn.shopify.com/s/files/1/0441/2047/3752/files/27004430435.pdf
- https://cdn.shopify.com/s/files/1/0429/5992/9503/files/dijolokifusajubijevediz.pdf
- https://cdn.shopify.com/s/files/1/0432/3291/9720/files/8441582558.pdf
- https://cdn.shopify.com/s/files/1/0431/0201/1548/files/dilatezesesam.pdf
- https://cdn.shopify.com/s/files/1/0440/3727/5813/files/55523592454.pdf
- https://cdn.shopify.com/s/files/1/0435/8438/9275/files/35082004272.pdf
- https://cdn.shopify.com/s/files/1/0431/0348/6103/files/15757787017.pdf
- https://cdn.shopify.com/s/files/1/0433/7827/8550/files/26402350650.pdf
- https://cdn.shopify.com/s/files/1/0429/3325/6345/files/84122074114.pdf
- https://cdn.shopify.com/s/files/1/0435/0948/1624/files/22591291493.pdf
- https://cdn.shopify.com/s/files/1/0431/4395/4594/files/85085796267.pdf
- https://cdn.shopify.com/s/files/1/0432/0657/4238/files/22988310671.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_off00007301.bin733092fccaa12a142dc07208e7c66a88b9d42b177eea47c0d6f1b8cd0e8f37aa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7301 | 5288 bytes |
font_01_sfnt_off000084f3.binb174f9955cc3e5a51d956c07d6c101832a7ef8d6d450840cc303ecd40bdb59b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84F3 | 10536 bytes |
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