MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file containing embedded JavaScript, which is a common technique for executing malicious code. The PDF also features a large number of external links, many pointing to potentially disposable domains, indicating a link farm or phishing lure. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to redirect users to phishing sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9939
Heuristics 6
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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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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://sinostandards.net/upload/files/mivobimigiluvunaleresatox.pdf In PDF document text
- https://yocarbroker.com/upload/ckfinder/files/81464350482.pdfIn PDF document text
- http://www.moyekolodin.com/files/rajuwevawot.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161495dc212682---bewixabigijafujodefori.pdfIn PDF document text
- http://iccarrentals.com/files/file/zexikubujewu.pdfIn PDF document text
- https://bccphil.paramedix.biz/uploadfiles/file/pemafititod.pdfIn PDF document text
- http://www.investinwielkopolska.pl/application/lib/ckfinder/userfiles/files/17868441295.pdfIn PDF document text
- https://tezerwatch.com/file/upload/files/09-28-09-59-22-10.pdfIn PDF document text
- http://yavuzselimvakfi.org/resimler/site/files/rujetef.pdfIn PDF document text
- http://alnoorcity.com/userfiles/file/buvopojiwuwebobepagen.pdfIn PDF document text
- http://decorstore.eu/upload/file/61429987601.pdfIn PDF document text
- https://planet-pvc.com/upload/files/wemerapurinumazenokufotuv.pdfIn PDF document text
- https://indolabtek.com/Uploads/userfiles/files/toletofipozusupup.pdfIn PDF document text
- https://araprinter.com/ckfinder/userfiles/files/wexujanozedoxixa.pdfIn PDF document text
- https://mimpisiluman.com/contents/files/51958940634.pdfIn PDF document text
- http://ip-golubev.ru/ckfinder/userfiles/files/42044913259.pdfIn PDF document text
- https://caribemed.com/userfiles/file/98445923130.pdfIn PDF document text
- http://meyanko.com/userfiles/file///xinimogebixarimebodap.pdfIn PDF document text
- https://yomadesign.com/userfiles/Proj_Name/files/genepitifawadopeba.pdfIn PDF document text
- http://purplebyanki-com.bvirani.com/ckfinder/userfiles/files/migamuw.pdfIn PDF document text
- http://edisonprivateschoolbeta.com/cote_dor_import/admin/ckfinder/userfiles/files/62634310618.pdfIn PDF document text
- http://skpizzasubs.com/uploads/files/695040235.pdfIn PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/161457425373f6---66255283589.pdfIn PDF document text
- https://twr1115.net/files/fckeditor/file/monezubuludul.pdfIn PDF document text
- http://sincaremedicaltour.com/js/upload/leduniterujigo.pdfIn PDF document text
- http://rassadaspb.com/new/files/file/zepapelovekuge.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=android+video+streamingPDF 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_off0000bc18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC18 | 17932 bytes |
SHA-256: ef7b798a412e3b69cade34c7d8523a6e666f99d43cc66a365888f30c0b08fee1 |
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font_01_sfnt_off0000ea40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA40 | 10592 bytes |
SHA-256: 4024d16fa37d0107e0fbe3414d503bd15514b3431d5421646c479a39eedddf3b |
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font_02_sfnt_off00010247.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10247 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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