MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body and embedded links suggest a lure to external content, likely for malicious purposes such as phishing or malware distribution. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious link farm.
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/wb?keyword=tratamento%20choque%20neurogenico%20pdf
- http://kodiri.vscl.org/uploads/1/3/0/7/130776088/8314060afe051.pdf
- http://radekeg.shelbysilver.com/uploads/1/3/1/8/131871390/9ec1c554.pdf
- http://files.16th-century-arts.com/uploads/1/3/0/7/130738593/zuwubonajoli-wazuzefisazu-wovowavub.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0427/8901/1612/files/antibody_screening_procedure.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lamafavikunidamekisuf.pdf
- https://cdn.shopify.com/s/files/1/0431/0263/4148/files/58523860386.pdf
- https://cdn.shopify.com/s/files/1/0434/4994/2176/files/data_analysis_using_r.pdf
- https://cdn.shopify.com/s/files/1/0431/1174/3639/files/permanent_retirement_oblivion.pdf
- https://cdn.shopify.com/s/files/1/0433/5281/7832/files/jupobum.pdf
- https://cdn.shopify.com/s/files/1/0428/2168/1315/files/netozowuv.pdf
- https://cdn.shopify.com/s/files/1/0434/6108/3301/files/farmakodinamik_atropin_sulfat.pdf
- https://cdn.shopify.com/s/files/1/0430/5246/6325/files/fejub.pdf
- https://cdn.shopify.com/s/files/1/0432/2865/9874/files/purakeboxitejiwa.pdf
- https://cdn.shopify.com/s/files/1/0433/1493/8014/files/cuentos_de_autores_latinoamericanos_cortos.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_off000067bf.binbe7795e1263b666a486f47bb0627dec46827e81b0889526f90760bc9a160d9ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67BF | 5436 bytes |
font_01_sfnt_off00007a00.bin2363b5c4050f60f3de2fe7c04302940ad697cae22539fe4848778573e2d016f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A00 | 12728 bytes |
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