MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm and a direct link to a known malicious redirector. The document body, though partially corrupted, contains text related to an 'auditoria interna' checklist and the malicious URL, suggesting a lure to download further content. The ML classifier strongly flagged this PDF as malicious.
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.ru/pify?keyword=check+list+auditoria+interna+iso+9001+vers%25C3%25A3o+2020+pdf
- http://files.nanonore.com/uploads/1/3/1/4/131438823/monanazupinul_gevomomulino_jonujowikiduje.pdf
- http://files.georgeinformationaltechnology.com/uploads/1/3/1/4/131437484/vojow-sidemumiz-pewefedugak.pdf
- http://files.thebackpackleague.com/uploads/1/3/1/4/131453193/2212322.pdf
- http://files.morrinsvillecountrymusic.com/uploads/1/3/1/4/131437457/xewevum.pdf
- http://lenajo.sheltersharesocal.org/uploads/1/3/2/7/132741099/xeraniwuki.pdf
- https://cdn.shopify.com/s/files/1/0434/7274/8710/files/dodugebanobulajijakar.pdf
- https://cdn.shopify.com/s/files/1/0437/6671/0426/files/24891157167.pdf
- https://cdn.shopify.com/s/files/1/0431/8570/1019/files/tarojibukowefik.pdf
- https://cdn.shopify.com/s/files/1/0430/2848/0157/files/18282563783.pdf
- https://cdn.shopify.com/s/files/1/0440/7132/1752/files/5736201291.pdf
- https://cdn.shopify.com/s/files/1/0429/5124/5987/files/46906133377.pdf
- https://cdn.shopify.com/s/files/1/0435/9002/5375/files/39173961980.pdf
- https://cdn.shopify.com/s/files/1/0431/5843/8056/files/2942130005.pdf
- https://cdn.shopify.com/s/files/1/0432/3111/7467/files/bujadugetugema.pdf
- https://cdn.shopify.com/s/files/1/0430/3313/3209/files/xedofinaxizeto.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_off00005e78.bin51992329a3bbf6e68b7023db6948937175fc75fd595fffee4ce4a2c36a05dc0d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E78 | 6072 bytes |
font_01_sfnt_off00007292.bine20af2212237d07663fce6643f94d00e4bac5f0b94b6d7ab36c42276373f4d45 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7292 | 9968 bytes |
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