MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, identified as a PDF link farm. One of these links, 'https://ttraff.com/wb?keyword=practical%20criticism%20notes%20pdf', points to known malicious redirector infrastructure. The document body is heavily obfuscated but contains similar URLs, suggesting a lure to external malicious content. No scripts were extracted, limiting the analysis of direct payload execution.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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.com/wb?keyword=practical%20criticism%20notes%20pdf
- http://files.denverleiday.org/uploads/1/3/2/6/132695701/limewaroki_sezotibesoduwe_sinugujejawizu_gazasoge.pdf
- http://bekowe.sweatlikeagirl.com/uploads/1/3/0/7/130739777/buboxibada.pdf
- http://files.silverrivercoaching.com/uploads/1/3/0/7/130740524/3993073.pdf
- https://cdn.shopify.com/s/files/1/0433/4498/6262/files/11614134791.pdf
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/sexuality_in_african_culture.pdf
- https://cdn.shopify.com/s/files/1/0428/8331/7926/files/sindrome_de_apnea_hipopnea_obstructiva_del_sueo.pdf
- https://cdn.shopify.com/s/files/1/0434/2136/8482/files/25096378415.pdf
- https://cdn.shopify.com/s/files/1/0434/8451/2406/files/gunizelixig.pdf
- https://cdn.shopify.com/s/files/1/0438/2323/5232/files/59572219918.pdf
- https://cdn.shopify.com/s/files/1/0434/9798/0056/files/runotarexowibosijixamik.pdf
- https://cdn.shopify.com/s/files/1/0430/9726/0192/files/alice_in_wonderland_junior_script.pdf
- https://cdn.shopify.com/s/files/1/0434/8136/6693/files/pifavipurezibu.pdf
- https://cdn.shopify.com/s/files/1/0438/1832/0034/files/dorejululazurabirigunipop.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_off00005a66.bin97e9e298184a4504aba054e9082a494f6979284b3739b52fd285574dacbe6e85 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A66 | 5300 bytes |
font_01_sfnt_off00006c45.bin03382575cc759363c93a0828a101199dba00843c1928dfc428f85fa37c7f983d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C45 | 9916 bytes |
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