MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on various domains. One critical heuristic identified a malicious redirector link, suggesting these links are intended to lead users to malicious content. The ML classifier also strongly indicated maliciousness.
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=wish+you+well+movie
- http://files.ritterelementaryschool.com/uploads/1/3/1/4/131408250/zamavexinoz.pdf
- http://files.starfireband.ca/uploads/1/3/1/4/131408250/ninaduwa-sizevilito-texokaf-lesalugobediv.pdf
- http://files.davidheinick.com/uploads/1/3/1/1/131164211/sipurex.pdf
- http://files.joyandmarquette.org/uploads/1/3/2/8/132814272/6430349.pdf
- https://cdn.shopify.com/s/files/1/0436/4143/8366/files/6615323438.pdf
- https://cdn.shopify.com/s/files/1/0432/8390/6724/files/denebidakewup.pdf
- https://cdn.shopify.com/s/files/1/0429/8863/4263/files/89530932436.pdf
- https://cdn.shopify.com/s/files/1/0432/5205/6227/files/20608155913.pdf
- https://cdn.shopify.com/s/files/1/0430/9359/0167/files/negadoj.pdf
- https://cdn.shopify.com/s/files/1/0430/7966/3765/files/xupopasosupalogivulajoj.pdf
- https://cdn.shopify.com/s/files/1/0431/4713/3088/files/naserobuvumisane.pdf
- https://cdn.shopify.com/s/files/1/0432/2865/9869/files/dudawupapozulekusejowo.pdf
- https://cdn.shopify.com/s/files/1/0434/9332/7008/files/1780671505.pdf
- https://cdn.shopify.com/s/files/1/0431/4189/0208/files/39507647664.pdf
- https://cdn.shopify.com/s/files/1/0431/9143/5422/files/dezixovud.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_off0000650c.bin60ff89c831f1fc7da48782c88f9b17af090e081c30a55295b3ff9eb77fd3baeb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x650C | 4884 bytes |
font_01_sfnt_off000075a6.bin993f9a67e7203c71503f811235e30b70eda4161a3b032bb89b1bf41b6ea65ee0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75A6 | 10088 bytes |
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