MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, a common technique for malicious PDFs. It also contains numerous external URIs, many of which are hosted on disposable domains or appear to be part of a link farm, suggesting an attempt to redirect users to malicious sites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://studioambienteterritorio.it/userfiles/files/43700563012.pdf In PDF document text
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/2e566502373b8a17fbf81769ca0b2b24/16836070885.pdfIn PDF document text
- https://adasms.fr/userfiles/file/fifela.pdfIn PDF document text
- http://golfproradost.cz/webpagebuilder/ckfinder/userfiles/files/jijikito.pdfIn PDF document text
- https://phr4u.com/files/28754064291.pdfIn PDF document text
- https://www.barefoothoa.com/webroot/js/ckfinder/userfiles/files/tezobolopobexikilusozomiv.pdfIn PDF document text
- https://tapuionoticias.com/ckfinder/files/gufenogozagawowaj.pdfIn PDF document text
- https://senesi-sklad.cz/userfiles/file/riram.pdfIn PDF document text
- http://daiichilogistics.com/uploads/news_file/pekikitezomifedokupu.pdfIn PDF document text
- http://sdv.sk/userfiles/articles/file/89880845045.pdfIn PDF document text
- http://hamishehbaharcarpet.com/My_Project/Hamishe_bahar/ahar_img/files/56696930382.pdfIn PDF document text
- https://www.rongoldmanlaw.com/system/js/back/ckfinder/userfiles/files/jopimafexururijepux.pdfIn PDF document text
- https://mancomunidadvaldizarbe.com/userfiles/files/minilidekewapobumimamoxun.pdfIn PDF document text
- http://lnhaihui.com/userfiles/file/20210909064227_591208015.pdfIn PDF document text
- https://xn----7sbeo1acdy3adh.xn--p1ai/userfiles/file/wuvulozutelenu.pdfIn PDF document text
- http://foto-preiss.at/upload_files/files/42232192537.pdfIn PDF document text
- http://www.accessibilite-salle-eau.com/ckfinder/userfiles/files/55304006828.pdfIn PDF document text
- https://bkairconditioner.cloud4demo.com/uploads/files/61726594857.pdfIn PDF document text
- http://fsoa.cn/userfiles/file/majipojilefegikofem.pdfIn PDF document text
- https://inprovit.com/ckfinder/userfiles/files/83854985913.pdfIn PDF document text
- http://traiteur-ribot.fr/userfiles/file/siminipe.pdfIn PDF document text
- https://dakhoathienhoa.net/images/files/31120371893.pdfIn PDF document text
- http://dlabiura.kbo.pl/ckfinder/userfiles/files/70139746027.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=fs+14+apk+unlimited+money+free+downloadPDF link annotation
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e83686fb2f---65067821531.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_off0000af69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF69 | 15172 bytes |
SHA-256: 235eb73bbbff2270ee62df7fcb2805a8a0bbb5c8e267829676accd5bcfadbbc4 |
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font_01_sfnt_off0000d5ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5ED | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ee04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE04 | 11160 bytes |
SHA-256: 2d939bbbe0945d37af62d6f78f48c19b775c635fb9d7331dc568994181bedb87 |
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