MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file functions as a link farm, containing numerous URLs that point to other PDF documents hosted on various domains. One of the embedded URLs, 'https://ttraff.ru/wb?keyword=marketing%204.0%20do%20tradicional%20ao%20digital%20pdf', is identified as a known malicious redirector. The ML classifier also strongly indicated maliciousness, supporting the assessment that this document is designed to lead users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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/wb?keyword=marketing%204.0%20do%20tradicional%20ao%20digital%20pdf In PDF document text
- http://files.elbuencacao.com/uploads/1/3/1/3/131378816/kijarekaji-mikirefefu-fixagakejavazab.pdfIn PDF document text
- http://files.sheep.education/uploads/1/3/0/7/130775654/fesil_morokumujudaj_vokiwufokubufov.pdfIn PDF document text
- http://files.laurengoldsteinart.com/uploads/1/3/1/8/131856770/leniwelowenigiweloz.pdfIn PDF document text
- http://files.lauramernoff.com/uploads/1/3/0/7/130775654/3cdc9bb88a09.pdfIn PDF document text
- http://files.agorapublications.net/uploads/1/3/2/6/132682570/4da5af8.pdfIn PDF document text
- http://files.savebozeman.org/uploads/1/3/1/4/131408529/80336d.pdfIn PDF document text
- http://files.bhmberhe.net/uploads/1/3/1/4/131407424/9c507a66dc.pdfIn PDF document text
- http://files.thenetworkedlibrarian.com/uploads/1/3/2/6/132681951/vepili.pdfIn PDF document text
- http://files.loganwhitmerlegacy.com/uploads/1/3/0/8/130873741/3ec6a3aa1a6820c.pdfIn PDF document text
- http://files.centaurscricket.com/uploads/1/3/1/0/131070379/f0c47e.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://kikivolepo.files.wordpress.com/2020/06/94865145256.pdfIn PDF document text
- https://waparujovig.files.wordpress.com/2020/07/ditiperam.pdfIn PDF document text
- https://rufutusizuk.files.wordpress.com/2020/06/47411676370.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/99914628395.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/87294954422.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/42539854631.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/80278007767.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/loxidunadubufurepetiverox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/59022585862.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007826.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7826 | 5264 bytes |
SHA-256: caed572d3a1864a39a134495e0c8cca36ee7443148aa34cc2bf040f4d712e99c |
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font_01_sfnt_off00008a2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A2A | 12360 bytes |
SHA-256: 0a03a69325fcfe9adc74e4bde8a15c5a217a9e31e565c6f93331b51cd7301962 |
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