MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains numerous embedded links, with one specifically identified as a malicious redirector. The heuristic firings indicate a deliberate attempt to create a link farm, likely to drive traffic to malicious sites or to obscure the ultimate destination. 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/pify?keyword=atresia+de+coanas+pdf+2016
- http://files.nfspto.org/uploads/1/3/1/4/131438046/lirap.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0438/0000/2717/files/6344054407.pdf
- https://cdn.shopify.com/s/files/1/0434/2913/4501/files/luwepudivewavuwowolu.pdf
- https://cdn.shopify.com/s/files/1/0427/8226/1415/files/soxuteza.pdf
- https://cdn.shopify.com/s/files/1/0430/2081/2441/files/fawofibikelejofuxufewot.pdf
- https://cdn.shopify.com/s/files/1/0428/0388/8287/files/candomble_bem_explicado.pdf
- https://cdn.shopify.com/s/files/1/0440/6876/5848/files/wurid.pdf
- https://cdn.shopify.com/s/files/1/0435/4349/4807/files/51602586201.pdf
- https://cdn.shopify.com/s/files/1/0430/1606/1091/files/tonawimud.pdf
- https://cdn.shopify.com/s/files/1/0430/5187/6509/files/3853073127.pdf
- https://cdn.shopify.com/s/files/1/0439/4886/7742/files/pathfinder_brawler_optimization_guide.pdf
- https://cdn.shopify.com/s/files/1/0427/5830/8006/files/toziwomeda.pdf
- https://cdn.shopify.com/s/files/1/0431/3631/9639/files/63299307312.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_off0000631e.bin669cc816fdd92b607803e9bb92dcc1905345bdef96ba6a502d519ccdacb25196 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x631E | 5584 bytes |
font_01_sfnt_off0000762c.bin11f88c8c2984d2bd9c97339e477377aef38792be60cc09b43dbcedfcc40ba68d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x762C | 13140 bytes |
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