MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on various domains, including a known malicious redirector. This indicates a link farm or redirection attack designed to lead users to malicious 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.ru/wb?keyword=fuentes%20formales%20del%20derecho%20penal%20pdf
- http://files.holistichealingnow.com/uploads/1/3/1/4/131437736/gosuzolagof_vunet_fodazujamunobam.pdf
- http://files.postplumbingheatingandair.com/uploads/1/3/2/6/132695574/zuwubavuz.pdf
- http://vaxax.anniebondpottery.com/uploads/1/3/2/3/132303354/9718586.pdf
- http://ludidasu.commercial-doors.co.uk/uploads/1/3/1/0/131069934/f529680afd.pdf
- https://cdn.shopify.com/s/files/1/0435/6728/4379/files/puxufufovigafudul.pdf
- https://cdn.shopify.com/s/files/1/0430/3713/0914/files/nepuwolapi.pdf
- https://cdn.shopify.com/s/files/1/0440/0958/6846/files/78965584555.pdf
- https://cdn.shopify.com/s/files/1/0433/7447/7464/files/git_add-_all.pdf
- https://cdn.shopify.com/s/files/1/0428/9314/8313/files/autumn_leaves_classical_guitar_tab.pdf
- https://cdn.shopify.com/s/files/1/0430/4211/1650/files/15343659099.pdf
- https://cdn.shopify.com/s/files/1/0428/7243/8947/files/circuit_breaker_abb.pdf
- https://cdn.shopify.com/s/files/1/0434/8408/6424/files/real_estate_lead_follow_up_email_template.pdf
- https://cdn.shopify.com/s/files/1/0430/2392/5402/files/bio_data_form_free_download.pdf
- https://cdn.shopify.com/s/files/1/0432/4071/8493/files/xupibikadelemegovotom.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_off00008345.bin03bef2ceeb2a4afdd3ad11b131f354450a252e38281abc3ded7e3607123d9238 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8345 | 5352 bytes |
font_01_sfnt_off00009549.bin6738b268d095b428b107acf5b69c5b2b44677b9f6aa5bd368fd264c630418d34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9549 | 10992 bytes |
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