MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs pointing to a link farm on disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript likely facilitates the redirection to these malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
Heuristics 6
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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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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 https://officialbacknumber.com/editor_up/9366312885.pdf In PDF document text
- http://massarentearchitettura.com/userfiles/files/kimudaxaxokerux.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/16144bb976ccdd---lopagusumolakoxeposa.pdfIn PDF document text
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/dd59f013cbd7c9e272e86c93aef7610e/6077911695.pdfIn PDF document text
- https://icnj.net/ckeditor/ckfinder/userfiles/files/42917292102.pdfIn PDF document text
- http://balaton.varosom.hu/userfiles/files/pajigukuwopi.pdfIn PDF document text
- https://royal-art.pl/uploads/userfiles/files/melowajo.pdfIn PDF document text
- https://turdv.ru/SITE/files/editor/file/71217736190.pdfIn PDF document text
- https://topupdana.com/contents/files/4260115245.pdfIn PDF document text
- https://lrsinc.co/userfiles/file/85679441408.pdfIn PDF document text
- https://jjpremiers.com/files/84010786623.pdfIn PDF document text
- https://vwb.mrv-educationservices.com/content_file/files/gupofesigada.pdfIn PDF document text
- http://plovdivweek.com/app/templates/js/ckfinder/userfiles/files/97253002943.pdfIn PDF document text
- http://krukaiart.com/userfiles/files/91471331415.pdfIn PDF document text
- https://bepxuyenviet.com/upload/files/sesuxa.pdfIn PDF document text
- https://tierrettung-in-katalonien.org/ckfinder/userfiles/files/96508088993.pdfIn PDF document text
- http://baove247.org/upload/files/29281776498.pdfIn PDF document text
- http://liqaa-lb.com/files/userfiles/files/firosemejam.pdfIn PDF document text
- https://shop-ecobati.com/medias/upload/files/53234455368.pdfIn PDF document text
- https://mrpressconsulting.com/UserFiles/file/72292739734.pdfIn PDF document text
- http://gysanya.com/upload/file/211003205206096300m2zdfm18nntm.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161386d191d32d---65739419630.pdfIn PDF document text
- http://pjteam.hu/uploads/88932514507.pdfIn PDF document text
- https://kompaspt1.com/contents/files/milegukiwofebowunatoge.pdfIn PDF document text
- https://www.blondel-bois.fr/ckfinder/userfiles/files/64759042470.pdfIn PDF document text
- https://newshieldinsurance.com/demo/gsa/final/images/file/97861479552.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=when+to+use+hay+in+spanishPDF 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_off0000b50d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB50D | 10412 bytes |
SHA-256: db35c8c08748f1d84cf3b02a642ceb81b3dbbb75f4524cb2fb9dda02d26e4ec2 |
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font_01_sfnt_off0000ccae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCAE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e4c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4C0 | 16668 bytes |
SHA-256: 2a846f440ade4836157a72d1858733b63b5f0ef8823ab85396eaa719d5c8ad5f |
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