MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'tabla periodica' and includes the malicious URL. This suggests a phishing or scam attempt designed to redirect users to harmful content. 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.cc/wix?keyword=tabla+periodica+en+espa%25C3%25B1ol+blanco+y
- https://cdn.shopify.com/s/files/1/0433/4462/5822/files/adobe_reader_convert_to_word_free_online.pdf
- https://cdn.shopify.com/s/files/1/0427/7246/3772/files/example_of_acknowledgement_for_project.pdf
- https://cdn.shopify.com/s/files/1/0428/5677/5839/files/xazamikabewinunaz.pdf
- https://static.usrfiles.com/ugd/07625c_98c6cf71f91e4722b6237eb0f91dfcf0.pdf
- https://static.usrfiles.com/ugd/b8c837_8725122567ee40dab0aea424436dcdea.pdf
- https://cdn.shopify.com/s/files/1/0443/9467/6390/files/rewalewopamu.pdf
- https://cdn.shopify.com/s/files/1/0432/3724/5086/files/90983973544.pdf
- https://cdn.shopify.com/s/files/1/0428/1604/5222/files/gofofomobasalajabinejubos.pdf
- https://cdn.shopify.com/s/files/1/0427/7361/0663/files/windows_xp_boot_process_step_by_step.pdf
- https://cdn.shopify.com/s/files/1/0431/3510/7233/files/35525058055.pdf
- https://cdn.shopify.com/s/files/1/0448/3717/5456/files/christian_romance_novels.pdf
- https://cdn.shopify.com/s/files/1/0432/6182/1092/files/jalosotitoko.pdf
- https://cdn.shopify.com/s/files/1/0436/8993/5002/files/jumbled_sentences_with_answers_for_class_5.pdf
- https://cdn.shopify.com/s/files/1/0434/8716/6628/files/jigabimopapexutuganenir.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_off0000abde.binf2bbb0cdd3c7b2f0bfc3d7d8baf1a85a582a32e41ccdf998acf351cca3be7876 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xABDE | 5472 bytes |
font_01_sfnt_off0000be39.bin1e555fcef1bb2dba25656f394a575c899ca25a9b5c03cb3e3bbcf4e1b4d678f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE39 | 16928 bytes |
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