MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for exploiting vulnerabilities or redirecting users to malicious sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the numerous extracted URLs, many pointing to disposable domains, suggest a phishing or malware distribution scheme disguised as a 'pdf converter free to excel' lure. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://osteriailgalloelinnamorata.com/userfiles/files/3835639148.pdf In PDF document text
- http://ippinnudon.com/uploads/files/24594478493.pdfIn PDF document text
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/49933c7316630679d919b325ed4cc1e7/3187636260.pdfIn PDF document text
- http://novastal.pl/userfiles/file/wevurexa.pdfIn PDF document text
- http://www.martiusstaden.org.br/js/ckfinder/userfiles/files/zejasesiguwebutifixopub.pdfIn PDF document text
- http://chamdure.com/DATA/files/30903498582.pdfIn PDF document text
- http://cgl.lu/userfiles/files/24488543783.pdfIn PDF document text
- https://slide-bearing.com/d/files/zijeror.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/dikedeloz.pdfIn PDF document text
- http://theofficefurniturestore.com/ckfinder/userfiles/files/95398013593.pdfIn PDF document text
- http://movesearchesuk.com/userfiles/file/tagif.pdfIn PDF document text
- http://chongros.com/userData/board/file/20653049847.pdfIn PDF document text
- https://www.drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161348bb789668---35628273580.pdfIn PDF document text
- http://metalzilemboeventi.com/userfiles/files/makujebogefoguti.pdfIn PDF document text
- http://astmasme.com/userData/board/file/11513440949.pdfIn PDF document text
- http://caramelitos.sk/files/90457685122.pdfIn PDF document text
- https://coaching-jk-academic.com/ckfinder/userfiles/files/pizajuririjunib.pdfIn PDF document text
- https://smartech.lv/sites/smartech/uploads/documents/files/vetajumozijazef.pdfIn PDF document text
- http://myjobcareer.net/userfiles/file/2021091215242473499.pdfIn PDF document text
- http://hightopeducation.com/cms_uploaded/file/95224526439.pdfIn PDF document text
- http://businesslegalgroup.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/54256412748.pdfIn PDF document text
- http://jysfh.com/upload_fck/file/2021-9-1/20210901154934101996.pdfIn PDF document text
- http://uceng.net/_UploadFile/Images/file/tazin.pdfIn PDF document text
- http://pnlestari.com/visitbali/image/files/tanowiweg.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=pdf+converter+free+to+excelPDF 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_off0000da28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA28 | 10216 bytes |
SHA-256: 15a779ae640e1a6be44dc91569731a52fa9e098d1a8500860285bbd26d0b2f53 |
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font_01_sfnt_off0000f13e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF13E | 17264 bytes |
SHA-256: 8e7dcaa3f808c352f40f7b663a5afd7e1b6398b3d6a0d7ce5c820786a090024d |
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font_02_sfnt_off00011e79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E79 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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