MALICIOUS
128
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains heuristics indicating it is a malicious redirector and part of a link farm, disguised as an invoice or payment lure. The embedded URL `https://ttraff.ru/pify?keyword=big+ideas+math+advanced+1+teacher+edition+pdf` is flagged as malicious, suggesting the document's primary purpose is to redirect users to harmful content. The document body, though heavily obfuscated, contains the same malicious URL.
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=big+ideas+math+advanced+1+teacher+edition+pdf
- http://files.gruppogammawatches.com/uploads/1/3/0/7/130775126/881f3c39144.pdf
- http://naxidul.chicoanimalshelter.org/uploads/1/3/2/8/132814930/6456490.pdf
- http://mavobo.feliciakeesing.com/uploads/1/3/2/3/132302780/jawadanajalifol-xifakufi.pdf
- http://files.jpressley.com/uploads/1/3/1/4/131437484/08dc056.pdf
- http://files.non-christianchristian.com/uploads/1/3/1/8/131856232/e3f2a.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/20675343362.pdf
- https://cdn.shopify.com/s/files/1/0432/8488/9758/files/24182613316.pdf
- https://cdn.shopify.com/s/files/1/0432/2338/4219/files/embriologia_aparato_reproductor_masculino.pdf
- https://cdn.shopify.com/s/files/1/0429/6281/3084/files/29907169969.pdf
- https://cdn.shopify.com/s/files/1/0438/5754/3328/files/84263410092.pdf
- https://cdn.shopify.com/s/files/1/0432/2230/2888/files/18711382783.pdf
- https://cdn.shopify.com/s/files/1/0438/5013/7760/files/33735463605.pdf
- https://cdn.shopify.com/s/files/1/0438/3604/7525/files/68346742458.pdf
- https://cdn.shopify.com/s/files/1/0427/4877/2508/files/gulowa.pdf
- https://cdn.shopify.com/s/files/1/0431/6368/0929/files/sarubemoxevena.pdf
- https://cdn.shopify.com/s/files/1/0431/2491/6388/files/kegujukuwewib.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_off0000b336.bine3b09a72efd354e43c9dba261783604b3b59b17ebea058f6a1ccb0e10e2646d1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB336 | 5700 bytes |
font_01_sfnt_off0000c681.bin522acbd0abcea6a0181f6120dd83df2c4a63c69685d6c398589e4e7ea7253811 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC681 | 12440 bytes |
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