MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains references to a popular book title and the malicious URL, suggesting a lure to trick users into visiting potentially harmful sites. The ML classifier strongly supports the malicious nature of this PDF.
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=pdf+50+sombras+mas+oscuras
- http://files.fortdavisalabama.com/uploads/1/3/0/8/130874029/tapubisiwemarexikos.pdf
- http://files.waburkhartphd.com/uploads/1/3/0/8/130874207/bc90b84.pdf
- http://files.hambleden-wi.org/uploads/1/3/2/7/132741110/mozijetobexa.pdf
- http://files.homebirthsupply.com/uploads/1/3/1/1/131163667/4967048.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/9996/3044/files/essentials_of_stochastic_processes_solution_manual.pdf
- https://cdn.shopify.com/s/files/1/0434/9086/9410/files/2759557432.pdf
- https://cdn.shopify.com/s/files/1/0436/9232/7077/files/73500709882.pdf
- https://cdn.shopify.com/s/files/1/0431/3579/5354/files/lumojoneme.pdf
- https://cdn.shopify.com/s/files/1/0432/6978/3720/files/62749702312.pdf
- https://cdn.shopify.com/s/files/1/0430/3139/6503/files/48220827687.pdf
- https://cdn.shopify.com/s/files/1/0429/3410/8323/files/derobuxidexefis.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/5555796470.pdf
- https://cdn.shopify.com/s/files/1/0435/9490/7810/files/xokejofevusiduvivitijekew.pdf
- https://cdn.shopify.com/s/files/1/0434/3119/8886/files/safubetibategek.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_off0000a9e2.bin4a1e70bdf2bd012c72348248405f3ce6c6bbe80ae4ece176d3bd02c020513e15 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA9E2 | 5544 bytes |
font_01_sfnt_off0000bca7.bin7bc3fb8942f8d03534f1b5f3c5084cbfc6e88c2400db69f7412e5521a773486c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCA7 | 12000 bytes |
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