MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, with one heuristic specifically identifying it as a link farm on disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware delivery. The presence of a 'download button' lure further supports this conclusion.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://bmcnx.com/userfiles/file/pekuwupaxizuzu.pdf In PDF document text
- http://tweedehandswikkelaar.nl/app/webroot/files/userfiles/files/21927274757.pdfIn PDF document text
- http://www.creativitaecomunicazione.it/js/lib/ckfinder/userfiles/files/21231223233.pdfIn PDF document text
- https://beruanglucu.com/contents/files/73490249660.pdfIn PDF document text
- https://strategieb2b.com/userfiles/file/riwafopovijo.pdfIn PDF document text
- http://aow.infogestnet.it/ckfinder/userfiles/files/72663236462.pdfIn PDF document text
- https://turismo-galicia.es/ckfinder/userfiles/files/11605293721.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b06324c2bf---minoronod.pdfIn PDF document text
- http://i-daa-wl.de/userfiles/livosaxejifufexagenebizov.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16133b4b363df6---poxoxenipuxed.pdfIn PDF document text
- http://mimarkamilozkartal.com/userfiles/files/suvakirazitomutipej.pdfIn PDF document text
- http://importfoodfair.com/userfiles/image/2021/09/file/dugowobuzokakas.pdfIn PDF document text
- http://cn-biyoute.com/d/files/jonibolole.pdfIn PDF document text
- http://tw-tms.com/uploadpic/xw/files/81199387033.pdfIn PDF document text
- http://xsteelstock.com/d/files/wivamese.pdfIn PDF document text
- https://dbjadow.pl/attachments/file/vatowejataligi.pdfIn PDF document text
- https://cokhivietuc.com/img-vietuc/files/61663135764.pdfIn PDF document text
- http://heatexchangersolution.com/upload_fck/file/2021-9-7/20210907015645870075.pdfIn PDF document text
- https://xn----7sbeo1acdy3adh.xn--p1ai/userfiles/file/28783460847.pdfIn PDF document text
- http://haisushitogo.com/uploads/files/62449978337.pdfIn PDF document text
- http://countryclaim.cz/userfiles/file/63161013075.pdfIn PDF document text
- http://slabowidzacy.smprzemysl.pl/ckfinder/userfiles/files/pebatazuzobufimanezepepip.pdfIn PDF document text
- http://duepassidalcentro.it/userfiles/files/63289280390.pdfIn PDF document text
- http://life-homeshop.com/asset/uploads/files/80425156716.pdfIn PDF document text
- http://vnndt.com/Images_upload/files/11106900036.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=god+of+war+2+file+download+for+androidPDF 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_off0000c652.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC652 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000de64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE64 | 16988 bytes |
SHA-256: 967c705feab44b4764c5412ec9d87d09ca36d0d08a9a3cf53ab1228ec0347043 |
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font_02_sfnt_off00010aa2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AA2 | 10328 bytes |
SHA-256: aba80067117839701d59d0a41838beaba13b0f04d83b32d90c8181d988d6420c |
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