MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to exploit vulnerabilities or redirect users to malicious sites. The presence of numerous external URIs, including a link farm detected by PDF_SEO_DISPOSABLE_LINK_FARM, suggests an attempt to distribute malware or conduct phishing. ClamAV detection and ML classification strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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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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://bukharaalpharetta.com/sites/default/files/file/nuvirutakumuzabarejadanug.pdf In PDF document text
- https://bitree.com/ckfinder/userfiles/files/dekeliwu.pdfIn PDF document text
- http://sibstroiexp.ru/userfiles/file/42556785663.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613eb17c0f253---duribapijeju.pdfIn PDF document text
- https://razredna-nastava.net/files/85082494165.pdfIn PDF document text
- https://dellrein.ru/content/file/71214730477.pdfIn PDF document text
- http://topimmigrationlawyer.org/ckfinder/userfiles/files/99716432134.pdfIn PDF document text
- https://fablab808.com/nbloom/fckuploads/file/54379588326.pdfIn PDF document text
- https://sfasg.jp/js/ckfinder/userfiles/files/17974735842.pdfIn PDF document text
- http://cka-shiba.com/ckfinder/userfiles/files/wepetulasewalor.pdfIn PDF document text
- https://cuisinescartier.ca/upload/editor/file/bomixofoma.pdfIn PDF document text
- http://hatdesechia.com/storage/ckfinder/files/newuvuzadisimek.pdfIn PDF document text
- http://johnmichaelharrisonlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/1631937400.pdfIn PDF document text
- https://goldgreiner.de/userfiles/file/konolatokubuzeligomavopir.pdfIn PDF document text
- https://ddnepal.com/assets/userfiles/files/tivavifetekopuxuzikepad.pdfIn PDF document text
- http://sunwisechem.com/Uploadfiles/files/25646137.pdfIn PDF document text
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b3d065c064---16089140371.pdfIn PDF document text
- http://mgtofubbq.com/uploads/files/28865108515.pdfIn PDF document text
- http://boletos.luzservicos.com/ckfinder/userfiles/files/37041771994.pdfIn PDF document text
- https://sasalidayanisma.org/uploads/file/bufanipamefetenij.pdfIn PDF document text
- http://momsystem.ru/public/file/87606315568.pdfIn PDF document text
- http://crimesla.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/44999266196.pdfIn PDF document text
- http://dlugopis.kbo.pl/ckfinder/userfiles/files/39222788425.pdfIn PDF document text
- http://artecgroupservices.com/imagenes/file/momigapibuzawa.pdfIn PDF document text
- http://webinaris.eu/ckfinder/userfiles/publics/files/dazepedupibikibofifi.pdfIn PDF document text
- http://libron.pl/fckupload/assets/file/jakenedaxexawadaxatura.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=sony+liv+crack+versionPDF 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_off0000cb23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB23 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e33a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE33A | 10472 bytes |
SHA-256: a27d2413ec3329d1e05d5470e08238676b09b6373f7e16d64cc5e3ead120af83 |
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font_02_sfnt_off0000fb1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB1C | 16996 bytes |
SHA-256: ddf675832f0e5fe4254e2880a0e73c47836a57b71b190c281c2159ae4dd9f544 |
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