MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV detection, indicating malicious intent. The presence of embedded JavaScript and numerous external URIs, many pointing to potentially disposable hosting, suggests it's designed to deliver a malicious payload or redirect users to a phishing site. The 'SE_CALLBACK_LURE' heuristic specifically points to a callback phishing or tech-support scam pattern, where the user is prompted to call a number.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://naturestuff.nl/siteimages/file/85011907933.pdf In PDF document text
- https://groupunsur1.com/contents/files/jofagevujamuviraki.pdfIn PDF document text
- https://dichvuhappyhouse.com/upload/files/tutodetalubatefulirapi.pdfIn PDF document text
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/e428b7617f1e33bae033a8a5784b81ce/36255259021.pdfIn PDF document text
- http://seosanhrd.com/userfiles/file/mutegimoriledol.pdfIn PDF document text
- http://vector-mebel.ru/uploads/files/popobemawexuketumip.pdfIn PDF document text
- http://pasted-radio.de/web/files/47592464743.pdfIn PDF document text
- http://tythb.com/uploadfile/files/dosovaxu.pdfIn PDF document text
- http://jornalespacoaberto.com/app/webroot/datafiles/editor/files/pasesimudamoja.pdfIn PDF document text
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/fpj596kcng8o1ek75p9l1nej1n/ruvimeluzoposajopugali.pdfIn PDF document text
- http://ozcetinler.com/userfiles/file/94460785699.pdfIn PDF document text
- https://swagath.co/new/ckfinder/userfiles/files/63811743950.pdfIn PDF document text
- http://wolfpackbasketballacademy.com/content_docs/58799894838.pdfIn PDF document text
- http://motoren-adachi.com/js/upload/files/30393034401.pdfIn PDF document text
- http://sbsedupatti.com/sbsedupatti/userfiles/file/53812195124.pdfIn PDF document text
- https://printjet.pl/pliki_user/File/6834121101.pdfIn PDF document text
- http://biomehl.com/images/content/files/vasokinuril.pdfIn PDF document text
- http://cgmorenanews.com.br/ckfinder/userfiles/files/65179777473.pdfIn PDF document text
- http://mspchicagolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rumulesola.pdfIn PDF document text
- http://prestinoequitacion.com/imagenes/upload/files/49254426706.pdfIn PDF document text
- https://eletroluz-al.com/_IMG/img_internas/file/guvidikax.pdfIn PDF document text
- https://junona.manyel.website/images/uploads/medium/tonujumevowijetiwujame.pdfIn PDF document text
- http://phone-server.com/userfiles/file/faxuzame.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=connect+mi+box+remotePDF 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_off0000b257.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB257 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ca69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA69 | 17652 bytes |
SHA-256: 55db7694a794284fc2e0bfd5bb19e9cf444f975c92bee0d7f111b11175fc5683 |
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font_02_sfnt_off0000f7d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7D3 | 10288 bytes |
SHA-256: bd8147a20295ae5678e6bae23651d06a4eb04fb35a9ea20709b10b4e6069df23 |
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