MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of embedded links, many of which point to external PDF files hosted on various domains, including a known malicious redirector. The ML classifier strongly indicates maliciousness. The primary attack vector appears to be SEO poisoning or a link farm designed to redirect users to malicious content.
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=acta+de+constitucion+del+proyecto+ejemplos+pdf
- http://jewedo.tripletterriers.com/uploads/1/3/1/0/131070722/8952191.pdf
- http://files.anxietytherapysf.com/uploads/1/3/0/7/130739552/4003220.pdf
- http://files.sevenstarsamerica.org/uploads/1/3/0/8/130814633/8957423.pdf
- http://files.carolavedonsavage.com/uploads/1/3/0/7/130740217/dedigurat-kosemaguvijisa-nexomerutugupek.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/9763/6512/files/fezosomuvapepuduvafakule.pdf
- https://cdn.shopify.com/s/files/1/0433/8378/3575/files/synonyms_antonyms_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0434/7677/9174/files/71559723684.pdf
- https://cdn.shopify.com/s/files/1/0433/8784/6806/files/numafaniri.pdf
- https://cdn.shopify.com/s/files/1/0435/3651/5221/files/98303464805.pdf
- https://cdn.shopify.com/s/files/1/0438/7491/0376/files/sewikusepojesob.pdf
- https://cdn.shopify.com/s/files/1/0437/6100/8791/files/window_grill_design_catalogue_2020_download.pdf
- https://cdn.shopify.com/s/files/1/0430/8988/7399/files/99285464416.pdf
- https://cdn.shopify.com/s/files/1/0433/6749/7880/files/69445356646.pdf
- https://cdn.shopify.com/s/files/1/0431/8317/7885/files/vonosanipo.pdf
- https://cdn.shopify.com/s/files/1/0436/7400/9753/files/56212527303.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_off00007058.bin57fc32c10679df9901353333c79a2b7642cdaeafd2b69a0c0b362c005eb0da8a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7058 | 5468 bytes |
font_01_sfnt_off000082ef.bin722bcab8b73bb7091f4ff527231c234851ad76b556cf9d6782391fa0d52e000b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82EF | 11904 bytes |
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