MALICIOUS
126
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 maliciousness. The PDF contains a large number of embedded URIs, suggesting a link farm designed to redirect users to potentially malicious sites. The presence of numerous links and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicate a likely phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 https://catamma.ru/uplcv?utm_term=words+with+v+at+the+beginning PDF link annotation
- http://windowsplusllc.com/ckfinder/userfiles/files/74810557035.pdfIn PDF document text
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/161382976a22c5---72286397076.pdfIn PDF document text
- https://www.tahitotfalu.hu/ckfinder/userfiles/files/rewavovasokokoporazu.pdfIn PDF document text
- http://frutapac.es/ckfinder/userfiles/files/77955023939.pdfIn PDF document text
- https://hefcom-hydraulics.com/ckfinder/userfiles/files/lolenegowigivufiwobiza.pdfIn PDF document text
- http://solyaris.pro/admin/ckfinder/userfiles/files/bubixi.pdfIn PDF document text
- https://gallerylingard.com/uploads/file/42513115492.pdfIn PDF document text
- http://allamericannursing.com/userfiles/file/25895112196.pdfIn PDF document text
- http://celeb.huh.hu/UserFiles/File/sidawokiweruzunupapi.pdfIn PDF document text
- http://grandfiltr.com/files/file/gedofamemepujazufifiwut.pdfIn PDF document text
- http://diamant-x.sk/UserFiles/file/98390960109.pdfIn PDF document text
- http://ssatripoli.org/userfiles/file/73174743938.pdfIn PDF document text
- https://habibitoursegypt.com/ckfinder/userfiles/files/3344054909.pdfIn PDF document text
- https://tramtron.vn/uploads/files/files/37871283317.pdfIn PDF document text
- http://toanthinh.vn/webroot/img/files/vatonijelowafi.pdfIn PDF document text
- http://pinedafoundation.org/imageuploads/file/528454055.pdfIn PDF document text
- http://keralabiblesociety.com/fck_uploads/file/fesuvavas.pdfIn PDF document text
- http://studiotecnicobonoli.com/userfiles/files/dibafemuxe.pdfIn PDF document text
- http://pkynfe.net/userfiles/file/80944002642.pdfIn PDF document text
- https://theelementrama9.com/userfiles/files/muguluje.pdfIn PDF document text
- https://makojudo.pl/zdjecia/fck/file/nitinimoniloxosarukix.pdfIn PDF document text
- https://seeyounow.net/userfiles/file/jomatusegefose.pdfIn PDF document text
- http://eurolocal.info/sites/default/files/images/file/57893612710.pdfIn PDF document text
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137358722567---38524304715.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_off0000f34d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF34D | 10764 bytes |
SHA-256: d2a393f44ccc5ca61a9e57624e9afaef78b8ace657b932dfbabaa66ec490c5c6 |
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font_01_sfnt_off00010bda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BDA | 17348 bytes |
SHA-256: f4288270240b3a183465e9db14cfebd12f7f639f34c7299063d4679ce488b92d |
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font_02_sfnt_off00013943.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13943 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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