MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm designed to distribute malicious content or phish users. The document body, though heavily obfuscated, contains keywords related to a book review, likely serving as a lure to encourage clicks on the embedded URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 6
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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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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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External URI info PDF_URIPDF contains an external URL action
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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://fokemale.ru/strik?utm_term=resenha+do+livro+raizes+do+brasil+pdf PDF link annotation
- https://static.s123-cdn-static.com/uploads/4376878/normal_60007960d3caf.pdfIn PDF document text
- https://jojusilinu.weebly.com/uploads/1/3/4/3/134343509/xenad.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4458854/normal_600dfc0b0a32a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412165/normal_6021659e17ad1.pdfIn PDF document text
- https://tuzenuzibawura.weebly.com/uploads/1/3/4/7/134733138/1320182.pdfIn PDF document text
- https://nujalujuxak.weebly.com/uploads/1/3/5/3/135347358/wefutedasirave_binaki.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4384142/normal_5fed972e95614.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376611/normal_5fe8992fdc7e8.pdfIn PDF document text
- https://pumazamobu.weebly.com/uploads/1/3/0/8/130874095/4013113.pdfIn PDF document text
- https://tisemadu.weebly.com/uploads/1/3/4/3/134387657/2532946.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385876/normal_60463f6391cc9.pdfIn PDF document text
- https://ronizizuvuf.weebly.com/uploads/1/3/4/7/134707383/5412929.pdfIn PDF document text
- https://xapovakugad.weebly.com/uploads/1/3/5/3/135393008/nemomokowanutobage.pdfIn PDF document text
- https://gotakepe.weebly.com/uploads/1/3/4/7/134763382/zibokum-vomifawanoxus.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4458618/normal_601801e33c339.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387566/normal_5fd64ad871645.pdfIn PDF document text
- https://gobodukigibab.weebly.com/uploads/1/3/1/8/131856162/a8bec007d1ef.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://52ed6390-a5c1-4502-9f93-599cf6d98ad1.filesusr.com/ugd/f7fbc8_8c57ed6ba3cf40d390fd63385cc7e42e.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/pibajuwi/lonefevijizavevesurusuf.pdfIn PDF document text
- https://s3.amazonaws.com/dukajevo/your_dad_is_calling_ringtone.pdfIn PDF document text
- https://f72b89be-0fa6-41ee-8162-331329ef78ce.filesusr.com/ugd/95089d_05a3fdfc5f7847ab8d6a605ccfbca2ca.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/supefujoxopubu/different_types_of_influence_tactics.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ee51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE51 | 5096 bytes |
SHA-256: 7aa69f33597fd6a8b6e4991db0be0e6247cbeeb246f80477c5655a480b27778e |
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font_01_sfnt_off0000ff97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF97 | 12988 bytes |
SHA-256: c927679812f57c4aeee988b19a59b46bd6413d8a1d5dc287c49592e98a556f63 |
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font_02_sfnt_off00012773.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12773 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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