MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file identified as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and multiple links to external PDF files hosted on various domains, suggesting a phishing or malware distribution attempt. The presence of embedded JavaScript indicates an attempt to execute code, likely to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 7
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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 link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not 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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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 http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/2895745564.pdf In PDF document text
- http://rc-saty.cz/gais/image/file/94287747160.pdfIn PDF document text
- http://f-okinawa.com/img/tmp/files/75984276783.pdfIn PDF document text
- http://ateliergermain.club/sites/default/files/file/mimexuwasijobopi.pdfIn PDF document text
- http://xfswchem.com/upload/files/23280494761.pdfIn PDF document text
- http://www.grupoaccs.net/ckfinder/userfiles/files/wuzigomakazebukajimu.pdfIn PDF document text
- http://sunway.me/uploads/file/080952515171.pdfIn PDF document text
- http://praguynakorn.com/praguynakorn/picture/datapro/files/64023481000.pdfIn PDF document text
- http://vizugy.hu/uploads/files/files/nogonugoxomepegu.pdfIn PDF document text
- http://nasfthr.com/userfiles/file/bateguxajewopajerogujugu.pdfIn PDF document text
- http://chieucoingason.vn/files/69357614376.pdfIn PDF document text
- https://cryptoshift.be/anaeter_capital/siteadmin/userfiles/files/19800471225.pdfIn PDF document text
- https://metrosecuritynepal.com/assets/userfiles/files/galer.pdfIn PDF document text
- http://terezmisszio.eu/files/file/94391485856.pdfIn PDF document text
- https://bilegt.mn/userfiles/files/22854407404.pdfIn PDF document text
- http://cmtsport.com/pliki/99317384005.pdfIn PDF document text
- http://elektrostroy.kz/ckfinder/userfiles/files/10832712389.pdfIn PDF document text
- http://lnhaihui.com/userfiles/file/20210907021602_27501437.pdfIn PDF document text
- http://brezov-gaj.si/uporabnik/file/30047946039.pdfIn PDF document text
- http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/denatuwubi.pdfIn PDF document text
- http://jimsclub.net/new/board/img_tinfo/file/20210904180053.pdfIn PDF document text
- http://machi-tomo.xyz/js/ckfinder/userfiles/files/29296343651.pdfIn PDF document text
- https://inprovitcentroamerica.com/ckfinder/userfiles/files/45648226840.pdfIn PDF document text
- http://poultech.net/d/files/gigunipopezukuwigopuso.pdfIn PDF document text
- https://www.sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/sijutofumabame.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=words+that+start+with+n+kindergartenPDF 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_off0000b5b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5B0 | 14968 bytes |
SHA-256: 9f61808c7c339da8b1245ccec8ded627f5811ca567a2793ebd574d5ec0d0ddd1 |
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font_01_sfnt_off0000db1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB1D | 10652 bytes |
SHA-256: 5870943d9370ee0a1182c8d03653edc4afd958ef34d58e4cbca8e3ff25395a04 |
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font_02_sfnt_off0000f352.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF352 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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