MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The presence of embedded JavaScript and numerous external URIs, some pointing to potentially disposable hosting, suggests an attempt to trick the user into downloading a secondary payload. The heuristic 'SE_DOWNLOAD_BUTTON' further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://www.lircai.com/web/inline/file/78260611370.pdf In PDF document text
- http://rrbrentacars.com/files/others/muxojavobe.pdfIn PDF document text
- http://www2.grupoksl.com.br/js/ckfinder/userfiles/files/55807240106.pdfIn PDF document text
- http://yh-nutri.com/filespath/files/20210916154700.pdfIn PDF document text
- http://agriturismolataggiasca.eu/userfiles/files/zezanefidesenob.pdfIn PDF document text
- http://www.kigimex.com.vn/ckfinder/userfiles/files/jotatebetuvux.pdfIn PDF document text
- https://mosallaesf.ir/uploads/ck/files/gadabuzokagizerolepirol.pdfIn PDF document text
- https://apatity.verlauf-ekb.ru/admin/ckfinder/userfiles/files/75507962785.pdfIn PDF document text
- http://gorisum.net/fckeditor/upload_file/file/77338816368.pdfIn PDF document text
- http://jcpingie.be/public/files/nowawalobe.pdfIn PDF document text
- https://ontech.vn/images/ckeditor/files/nesejemi.pdfIn PDF document text
- https://manage3.realtourvision.com/rtv/ckfinder/userfiles/images/files/79195454185.pdfIn PDF document text
- https://kaparatt.com/images/File/tefisefitodo.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16143bd1eb76ad---71114898951.pdfIn PDF document text
- https://ntpuvoice.com/ckfinder/userfiles/files/jutevenotizanuteninevule.pdfIn PDF document text
- http://rayer.cn/d/files/19670442165.pdfIn PDF document text
- https://soswzgierz.pl/web/uploads/files/47098823646.pdfIn PDF document text
- http://ehoron21.mn/uploads/files/48783622439.pdfIn PDF document text
- https://mygoaltv.com/ipp/images/uploads/files/73834810659.pdfIn PDF document text
- http://quangcaosmsgiare.com/media/ftp/file/86224771368.pdfIn PDF document text
- https://institut-arabe.org/ckfinder/userfiles/files/ramojubupagi.pdfIn PDF document text
- http://dkstores.gr/userfiles/file/20226472831.pdfIn PDF document text
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/1613915aade710---13001362119.pdfIn PDF document text
- http://heaig.org/editor/ckfinder/userfiles/files/14917991228.pdfIn PDF document text
- http://agriturismoilnoceto.com/userfiles/files/78835137094.pdfIn PDF document text
- https://sooryasales.com/uploads/file/jinebokirulogulip.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=download+gta+v+for+android+highly+compressedPDF 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_off0000db2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB2B | 17860 bytes |
SHA-256: bce279600128ee28f8f301e0d92357ce1698d52b17f565e16deac2420ea0b92e |
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font_01_sfnt_off00010975.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10975 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001218c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1218C | 11336 bytes |
SHA-256: 300bdef42de7741679f55117e19cbfa1aba277901bbb148b8e2344ad33144278 |
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