MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains embedded JavaScript and numerous external URIs pointing to disposable domains, suggesting it's part of a link farm designed to redirect users. The primary function appears to be directing users to potentially malicious external websites, likely for phishing or to download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://smidgel.ru/uplcv?utm_term=is+iphone+more+user+friendly+than+android PDF link annotation
- http://acecaalcoy.com/userfiles/file/jomunabajinogalileniweluf.pdfIn PDF document text
- https://assofmt.org/ckfinder/userfiles/files/1476396069.pdfIn PDF document text
- https://triptoboloyfoundation.org/editorsfiles/files/vuxilojim.pdfIn PDF document text
- http://ptktent.ru/userfiles/file/63565930675.pdfIn PDF document text
- http://sjmhospital.org/files/js/ckfinder/userfiles/files/46697338152.pdfIn PDF document text
- http://smartickgroup.com/userfiles/76614401229.pdfIn PDF document text
- http://gowowdeli.com/uploads/files/80019122214.pdfIn PDF document text
- http://intersonik.eu/upload/files/dimixusajemorigomesobopi.pdfIn PDF document text
- http://wmsone.com/eimages/file/17547587505.pdfIn PDF document text
- http://impactpluslearning.com/ckfinder/userfiles/files/movetu.pdfIn PDF document text
- http://at2apigroup3.com/contents/files/wavigevidugozomukopu.pdfIn PDF document text
- http://architettorobertafasola.eu/userfiles/files/41108106340.pdfIn PDF document text
- http://zabradli-znerezu.cz/userfiles/file/55337354407.pdfIn PDF document text
- http://gniortho.com/files/Upload/file/gevazunupozotatafugizot.pdfIn PDF document text
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145c761b0355---nofukupuzidiva.pdfIn PDF document text
- https://cihangirhotel.com/upload/ckfinder/files/jojaxesonebuvu.pdfIn PDF document text
- http://matrix-corporation.com/upfiles/editor/files/84357677440.pdfIn PDF document text
- http://mini-garden.ru/userfiles/file/73531636839.pdfIn PDF document text
- https://sarvodayasamaj.uk/upload/files/39390876167.pdfIn PDF document text
- http://aelma.com/sites/default/userfiles/file/97798217367.pdfIn PDF document text
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614504ae1043c---93267456032.pdfIn PDF document text
- http://poornasreehomeoclinic.com/ckfinder/userfiles/files/15534756161.pdfIn PDF document text
- http://ksiclubcom.ksiclub.org/svnprojects/DHD/Source/images/files/tepatoparedita.pdfIn PDF document text
- http://angelcabrera.com/FCKfiles/file/59202089600.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://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_off0000d731.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD731 | 10928 bytes |
SHA-256: 9ea044f2b19e75591beb9768095a8fc1611d65fa6880b2bffb1187e5d611bf7e |
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font_01_sfnt_off0000f052.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF052 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010864.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10864 | 17824 bytes |
SHA-256: 44945c0b78e0837efb3bf8ce5ed26caaf74a09b809cdb068d8f00f1b2c7682a5 |
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