MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded links that redirect to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body also contains a URL that points to a potentially malicious redirector. The ML classifier strongly suggests maliciousness, and the presence of numerous external PDF links indicates a link farm designed to attract traffic.
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/pify?keyword=geographical+information+systems+and+science+3rd+edition+pdf
- http://files.insightofnewengland.com/uploads/1/3/1/4/131437322/6023611.pdf
- http://files.katiemachain.com/uploads/1/3/1/4/131455283/57a787ca629.pdf
- http://files.mrcampbellsmathclass.com/uploads/1/3/2/6/132695301/198e45f6a7bb.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0440/5490/4997/files/africa_in_world_history_textbook.pdf
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/34973441476.pdf
- https://cdn.shopify.com/s/files/1/0434/8762/5369/files/xowutonuzededezolitinot.pdf
- https://cdn.shopify.com/s/files/1/0429/9977/5381/files/37280394454.pdf
- https://cdn.shopify.com/s/files/1/0430/9054/2741/files/ngk_spark_plug_gap_chart.pdf
- https://cdn.shopify.com/s/files/1/0429/4092/4063/files/pdfill_tools_11._0.pdf
- https://cdn.shopify.com/s/files/1/0428/6647/5164/files/introduction_to_geographic_information_systems_download.pdf
- https://cdn.shopify.com/s/files/1/0431/1633/1172/files/livovekijiwifolu.pdf
- https://cdn.shopify.com/s/files/1/0428/2603/9463/files/antigenicity_vs_immunogenicity.pdf
- https://cdn.shopify.com/s/files/1/0431/8602/8708/files/tintin_book.pdf
- https://cdn.shopify.com/s/files/1/0437/6225/3978/files/18798130429.pdf
- https://cdn.shopify.com/s/files/1/0429/6084/7004/files/quand_c_est_fini_c_est_fini.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005bc2.bin8653fd48ebf5bf856d9f8ed88a4b9af9984e26f5605b093604ef5f67a2e5ebe2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BC2 | 5864 bytes |
font_01_sfnt_off00006fa2.bin812f46a30415553e736aaf481ddd12d374032cfc4369f59e66d52efab4946278 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FA2 | 13660 bytes |
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