MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of embedded JavaScript and external URIs, combined with a heuristic firing for a 'Visual download / call-to-action button lure', suggests the document is designed to trick users into downloading a payload. The document body is unreadable, but the heuristics and URLs point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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 https://ketchas.ru/uplcv?utm_term=word+power+made+easy+notes+pdf PDF link annotation
- http://wxmx.cn/upload/ckimg/files/202109021626035882.pdfIn PDF document text
- http://popmetre.com/news/files/losekudu.pdfIn PDF document text
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/46849263637.pdfIn PDF document text
- http://hophungvietnam.com/app/webroot/uploads/files/26704124533.pdfIn PDF document text
- https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/f8009633daaceae36828472e04104a4e/71676581088.pdfIn PDF document text
- http://rayocazar.com/images/elfinder-1.1/files/file/4520016377.pdfIn PDF document text
- http://kingsauto-bar.com/js/upload/files/nuzufetu.pdfIn PDF document text
- https://visualmotion.nl/uploads/file/99092374697.pdfIn PDF document text
- http://barahi.com/assets/userfiles/files/raligedajak.pdfIn PDF document text
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d18541e719---37391335220.pdfIn PDF document text
- http://uceng.net/_UploadFile/Images/file/gutojudaro.pdfIn PDF document text
- https://www.fibertech1.com/my_content/js/ckfinder/userfiles/files/75852791184.pdfIn PDF document text
- https://purmoradiatoriai.lt/images/files/25758067621.pdfIn PDF document text
- http://www.jasolasia.com/image/upload/File/zurabugugewuxupodeka.pdfIn PDF document text
- http://bahtiyardishekimi.com/fckfiles/file/nidezu.pdfIn PDF document text
- https://pjkconstruction.ca/images/file/4457245723.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/jeziwevawetekojasax.pdfIn PDF document text
- https://rintrans.com/files/kisilonabemoj.pdfIn PDF document text
- http://tainanrup.longi.tw/uploadfiles/files/20210904_081646_4639.pdfIn PDF document text
- http://ccsctda.com/ckfinder/userfiles/files/20210905_214342.pdfIn PDF document text
- https://kfk-dekoration.dk/images/uploadedimages/file/sosipidavuv.pdfIn PDF document text
- https://autoteam.in/ckfinder/userfiles/files/99153624485.pdfIn PDF document text
- http://kirakuramen.com/uploads/files/zazeditalup.pdfIn PDF document text
- https://binarbaidequipment.com/public_html/userfiles/file/xexuzimekeliwogalipo.pdfIn PDF document text
- http://alnoorcity.com/userfiles/file/72533302730.pdfIn PDF document text
- http://crossfit28.com.s125853.gridserver.com/siteuploads/editorimg/file/57174900953.pdfIn PDF document text
- 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_off0000d1d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1D7 | 19436 bytes |
SHA-256: c35710bb3bddffd36105fb156a7a37dc6231a1658af05acf1d97bf0640768d0e |
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font_01_sfnt_off0001048d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1048D | 10716 bytes |
SHA-256: 070d290ce44651e9c1f8877d557ea37e4e29ce7e53c368f0b8c86218d69aa2e0 |
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font_02_sfnt_off00011d44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D44 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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