MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a high number of embedded links, many of which point to a link farm designed to redirect users to potentially malicious sites. One prominent link, 'https://ttraff.ru/pify?keyword=volver+con+ella+pdf', is flagged as a malicious redirector. The ML classifier also strongly indicated maliciousness, supporting the conclusion that this document is part of a phishing or redirection scheme.
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=volver+con+ella+pdf
- http://files.jasontakesphotos.com/uploads/1/3/1/4/131437937/ronumalov_lipelu_geduzavoxuvu.pdf
- http://files.visitnewhope.com/uploads/1/3/1/3/131380480/firotup.pdf
- http://files.themaggiesociety.com/uploads/1/3/1/3/131380337/segimat_nakiromi_mirozumew_xurokonu.pdf
- http://files.charlestonvillagehall.co.uk/uploads/1/3/1/4/131406344/63269.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/9229/5333/files/catecismo_da_igreja_catlica_batismo.pdf
- https://cdn.shopify.com/s/files/1/0430/8339/9329/files/bejeweled_blitz_apk_free.pdf
- https://cdn.shopify.com/s/files/1/0431/5339/1780/files/calculus_early_transcendentals_3rd_edition_solutions.pdf
- https://cdn.shopify.com/s/files/1/0432/1440/5793/files/lusoji.pdf
- https://cdn.shopify.com/s/files/1/0431/2190/1729/files/72403003045.pdf
- https://cdn.shopify.com/s/files/1/0463/3133/0721/files/45344945319.pdf
- https://cdn.shopify.com/s/files/1/0434/6413/0726/files/bakajilotubo.pdf
- https://cdn.shopify.com/s/files/1/0433/4364/2773/files/vavuwuvexu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/duzawubemamomavokam.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_off00006130.bin42af19ce22c46ab8367094f7c7b7e1f9198a52efbc62a098ad1c59bae31df1cd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6130 | 4996 bytes |
font_01_sfnt_off00007245.bin9f492e236accfe5b6290d3d7fa6727b0e4ee4db7c47a989367a2af91915e6f15 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7245 | 11452 bytes |
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