MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded URLs, with several pointing to known malicious redirector infrastructure or disposable hosting. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' and 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly indicate malicious intent. The ML classifier also flagged this PDF with high confidence. The document body, though heavily obfuscated, suggests a lure related to a credential request.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 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://yafferge.ru/aws?utm_term=formato+solicitud+de+credencial+biblioteca+vasconcelos In PDF document text
- http://liketime.online/mini_speedy_damiereij6o.pdfIn PDF document text
- http://banujal.iblogger.org/dell_t30_datasheet.pdfIn PDF document text
- http://banquepopulaire-fr.org/8675788393g4syq.pdfIn PDF document text
- http://fdvsefwfrw.space/demudobubiruqxsy.pdfIn PDF document text
- http://lnstagramverifiedbadgeshelpcenters.net/jabejesutetanopinanagovem4v6fj.pdfIn PDF document text
- http://voztrans.ru/dababy_baby_on_baby_download_ziphepbv.pdfIn PDF document text
- http://2022god.com/pebamuwixorujinez6kwf.pdfIn PDF document text
- http://1freedom.space/tokutozusadazufujutudxsyu.pdfIn PDF document text
- http://help-business-media.com/anatomy_trains_bookxbp89.pdfIn PDF document text
- http://fisidunetozusi.iblogger.org/gigigajowurojufeduroxeze.pdfIn PDF document text
- https://kovuvewu.weebly.com/uploads/1/3/2/6/132695697/7f0de8ffd.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://safatagikev.rf.gd/69955939731.pdfIn PDF document text
- http://fezipowivi.rf.gd/timestamp_format_cassandra.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_off00014b6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B6A | 5240 bytes |
SHA-256: edc97789a62ac6446aeeb59a3f433cc25df0f9cdf282760ab162f2ba9da46c9d |
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font_01_sfnt_off00015d24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15D24 | 12200 bytes |
SHA-256: 708ada7017d8e619d28cc476acc82e7f3b67bd3cbe828a229783c20e5a708dc5 |
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