MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/wix?keyword=pre+algebra+with+pizzazz+answer+key+pg+187'. The document body, though heavily obfuscated, also contains this URL, suggesting it's the primary lure. The file is classified as malicious by an ML model and contains a large number of embedded PDF links, indicating a link farm or redirection strategy.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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/wix?keyword=pre+algebra+with+pizzazz+answer+key+pg+187
- https://c1759be8-b3bd-424a-9c45-f159d2ef54ea.filesusr.com/ugd/de3d83_d55483bfad0b4ec4828b48f3d18a86d1.pdf?index=true
- https://2c3e02e2-6cf6-47b3-8c07-29eeda7f9509.filesusr.com/ugd/2d1648_6aa113c9cef242abb2b96ef4f803fc88.pdf?index=true
- https://e6ff9e9a-8547-42a1-b19a-a7ca771d8ac2.filesusr.com/ugd/a18601_96ab672bf3a34f03afb339b67f9cd576.pdf?index=true
- https://43faa5e8-fbb1-4417-a1a2-20b363750730.filesusr.com/ugd/7603ae_5fc36482b36f469580f17e474fbbb137.pdf?index=true
- https://375ba049-ab79-4b5a-93e0-8d9dfa952b37.filesusr.com/ugd/dcf9ad_62b4fedbdd144f4590a3a46dc6d9ecfc.pdf?index=true
- https://6973965c-8bcc-45a7-aa03-73a88c505de7.filesusr.com/ugd/c4f63d_5d43fa07dba34db8993928b9c368ac46.pdf?index=true
- https://aa768619-2748-43ab-a1d1-00bba2c20816.filesusr.com/ugd/5360f8_edc00e7bf5bd4319a570b23fbae3aa9f.pdf?index=true
- https://4b7e4693-2411-4c5d-a6ed-8d4b65f92583.filesusr.com/ugd/cc03df_6ae717e33ea14846a8a3e11cc5f8292f.pdf?index=true
- https://11c47e81-fd2c-488a-923e-8364e9973dd7.filesusr.com/ugd/5a1791_3338050a918b444c82be5ca746e2d97b.pdf?index=true
- https://602d76cf-39b8-4805-a783-f5e529798ba1.filesusr.com/ugd/227d0f_41dc10072f704395a14aa51aa71f922f.pdf?index=true
- https://1a625630-568e-4cd1-bad9-17ef499c9c04.filesusr.com/ugd/e948c1_18505295c53647269fbbb0c9d21be8bd.pdf?index=true
- https://382fb2c6-885f-4040-84d0-ca472bc3f67c.filesusr.com/ugd/7cefa9_887887b9f3734eac90b38095b22bdca5.pdf?index=true
- https://cdn.shopify.com/s/files/1/0429/1824/8601/files/4745761317.pdf
- https://cdn.shopify.com/s/files/1/0434/1425/7815/files/rivexibabisidagugagojet.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_off000171fc.bin264810f0587cef06f7aefbbf173eba3e38aa9d1f81d8100c83e0c284015793c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x171FC | 5856 bytes |
font_01_sfnt_off0001860c.bin8b4afea6be3776568de526680cf151445ab861f31e028e67048612208fb4da26 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1860C | 10804 bytes |
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