MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to a link farm designed to host malicious content. One prominent link directs to a known malicious redirector, suggesting an attempt to trick users into downloading malware disguised as a free PDF. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious redirector and 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.ru/pify?keyword=candy+terry+southern+pdf+free+download
- http://files.octavesprogram.org/uploads/1/3/2/3/132302768/c578d49ce.pdf
- http://files.pacalumnifoundation.org/uploads/1/3/1/3/131380297/6603206.pdf
- http://files.brokenknucklekustoms.com/uploads/1/3/1/3/131380316/808589.pdf
- http://files.davidpaap.com/uploads/1/3/0/8/130873983/2892012.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/3491/8558/files/ratinekelegozupowalelarib.pdf
- https://cdn.shopify.com/s/files/1/0430/7465/0261/files/zimemisivoma.pdf
- https://cdn.shopify.com/s/files/1/0437/2565/2117/files/25648978197.pdf
- https://cdn.shopify.com/s/files/1/0434/2677/5196/files/50361205475.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xixuvedivikeror.pdf
- https://cdn.shopify.com/s/files/1/0432/9452/3552/files/64184024884.pdf
- https://cdn.shopify.com/s/files/1/0435/4100/4443/files/16114159585.pdf
- https://cdn.shopify.com/s/files/1/0434/3853/8904/files/bunuxilubesowudamagoguroz.pdf
- https://cdn.shopify.com/s/files/1/0434/3015/0309/files/45262124352.pdf
- https://cdn.shopify.com/s/files/1/0429/9295/9642/files/41220826115.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_off00004515.binec11059c68f860a0cdd78afd0c4f65642a6c4cc202f35681d91eb5ddbf0964be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4515 | 5228 bytes |
font_01_sfnt_off000056f0.bin08807e77c2df2875d2efc97e9d7200b16f772f4873b69f6c0332ef1f6bc9074b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x56F0 | 9792 bytes |
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