MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and is flagged as a phishing lure due to its small size and image-only content, typical of a screenshot used to hide clickable elements. The document body is heavily obfuscated, but the heuristics indicate a malicious intent, likely to redirect users to one of the numerous external URLs found within the document, which are often used for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
Heuristics 7
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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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 67 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://arqing.es/ckfinder/userfiles/files/xidinulumutumaligexur.pdf In PDF document text
- http://demkapi.com/resimler/files/68704335093.pdfIn PDF document text
- http://xn--m1age8bh.xn--p1ai/files/file/66198698934.pdfIn PDF document text
- http://efuegypt.org/userfiles/file/pewelomele.pdfIn PDF document text
- http://ancheng-medical.com/uploadfile/files/71045570221.pdfIn PDF document text
- https://saksisan.com/upload/ckfinder/files/befukolam.pdfIn PDF document text
- https://vietrocknet.org/app/webroot/img/files/89879246056.pdfIn PDF document text
- http://rinsacars.com/files/others/79185034942.pdfIn PDF document text
- http://www.facyt.com.ar/ckfinder/userfiles/files/28183642270.pdfIn PDF document text
- http://asbu.net/uploads/FCK_files/file/33726232397.pdfIn PDF document text
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614445667acf5---jalolesomujotokajurowuted.pdfIn PDF document text
- http://bdsductri.com/upload/files/86678384040.pdfIn PDF document text
- http://agcslohian.com/userfiles/file/57483959126.pdfIn PDF document text
- https://www.phuketvillarentalandservices.com/ckfinder/userfiles/files/12167558614.pdfIn PDF document text
- https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/39d75084c33d15f5d252b6841d024a45/44241749540.pdfIn PDF document text
- http://www.temaricerca.com/entry2013/admin/ckfinder/userfiles/files/vevivifokuron.pdfIn PDF document text
- http://wksystems.net/HotelEstimator/userfiles/file/43754728117.pdfIn PDF document text
- http://ventensis.lt/public/ckfinder/userfiles/files/41098770127.pdfIn PDF document text
- https://aldurra.ly/images-editeur/img/file/55376311510.pdfIn PDF document text
- http://www.yoko-ono.be/images/userfiles/file/8261920864.pdfIn PDF document text
- http://szcftz.com/upload/24115646756.pdfIn PDF document text
- http://1137.jp/app/webroot/js/ckfinder/userfiles/files/xudelubos.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=safe+gallery+vault+downloadPDF link annotation
- http://crossfit28.com.s125853.gridserver.com/siteuploads/editorimg/file/medibudugufudokewavuxuki.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_off0000adfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADFB | 13948 bytes |
SHA-256: 3f57bd2956c779aa15e3a0460be4633d283412f0939cc8ac3d57aacc08100bc4 |
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font_01_sfnt_off0000d06d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD06D | 10708 bytes |
SHA-256: b83f0b1e3b5a0163aa1c1694069ff9bb451e1417340cd0a176a71f33183c6d98 |
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font_02_sfnt_off0000e90f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE90F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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