MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, with heuristics indicating it functions as a link farm. The presence of numerous external URIs, including one pointing to a link farm on disposable hosting, suggests an attempt to redirect users to potentially malicious sites. The document body is heavily obfuscated and unreadable, further supporting a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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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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 http://ttccid.com/userfiles/files/wunizogaxakovino.pdf In PDF document text
- http://kingsbrite.com/kingsbrite.com/userfiles/file/53365419695.pdfIn PDF document text
- http://mirsistem.com/depo/sayfaresim/file/47132160174.pdfIn PDF document text
- https://northcoteplaza.com/userfiles/file/nipexesuvar.pdfIn PDF document text
- http://biblioteka-belzec.pl/upload/files/ledidisorasepaxigegiv.pdfIn PDF document text
- https://www.syria-report.com/sites/all/libraries/ckfinder/userfiles/files/73294897440.pdfIn PDF document text
- http://rabotatver.ru/userfiles/admin/xigubowekasutupotazip.pdfIn PDF document text
- https://accidentmatters.com/ckfinder/userfiles/files/23123060753.pdfIn PDF document text
- http://bluebossa.pl/files/file/sawusijojozajogunopixoj.pdfIn PDF document text
- http://workontext.ru/media/file/ributiko.pdfIn PDF document text
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136b64eeaba9---94667329368.pdfIn PDF document text
- http://nazycakes.com/userfiles/file/15739967767.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210902111345644.pdfIn PDF document text
- http://apsencollege.org/test/fckeditor/file/4506195636.pdfIn PDF document text
- https://advance-pack.com/editor_upload/file/pimemitigujutujime.pdfIn PDF document text
- http://nbc.com.vn/ckfinder/userfiles/files/panazerewaxutarujot.pdfIn PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/161342717f0718---lumewubem.pdfIn PDF document text
- http://ellissi.org/userfiles/files/dikerawomotilorebo.pdfIn PDF document text
- https://traveletrust.com/basefile/traveletrustcom/files/bipexejobiturixokap.pdfIn PDF document text
- http://mgocsm.in/userfiles/file/33282416403.pdfIn PDF document text
- https://sindhuinvestment.com/ckfinder/userfiles/files/dopudigevadiwepilufewut.pdfIn PDF document text
- http://dgxzz.com/uploadfile/file/feveneziluzi.pdfIn PDF document text
- http://inventory-acepipe.com/images/uploads/files/gawifofasolil.pdfIn PDF document text
- http://exms.fr/sites/default/files/file/pefoliraxupifetinirufebok.pdfIn PDF document text
- http://perevodvnegiloifond.ru/pict/file/16740311504.pdfIn PDF document text
- http://architettobotteonpierpaolostudioabacus.it/userfiles/files/nisurupezumavali.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=muzei+lock+screenPDF link annotation
- 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c6b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6B0 | 10208 bytes |
SHA-256: 804c7226dbd7309def2e1665ba4d7fe483fb489e4e72adb674c7a398b63eb5cb |
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font_01_sfnt_off0000ddbd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDBD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f5cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5CF | 16800 bytes |
SHA-256: 76dde21aa15354d1e64f8e19085c751894a4f280f40ef3f0733a30d690b7b65a |
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