MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and presents itself as an image-only document with an action trigger, a common lure technique. The document body is heavily obfuscated, but the presence of JavaScript and numerous external URIs suggests it is designed to redirect users to malicious sites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9837
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 68 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 https://krisoc.ru/uplcv?utm_term=project+igi+1+download+androkaran
- http://autosvilar.com/uploads/ckfinder/files/69981933606.pdf
- http://mhzsolutionz.com/userfiles/file/xusilixubojosetu.pdf
- http://vetusmeter.com/images/upload/File/32317931709.pdf
- https://dascalita.ro/app/webroot/files/userfiles/files/puwipiwimuzine.pdf
- https://suacuacuontoanphat.com/upload/files/jazepuno.pdf
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614d911be78e5---32368152684.pdf
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/5a5054e10684c56a8de51e22ee156d24/14430211591.pdf
- https://sherwoodchamber.org/ckfinder/userfiles/files/9080062397.pdf
- http://studioego.cz/userfiles/file/15963759388.pdf
- https://takipcisec.com/calisma2/files/uploads/95737556646.pdf
- http://ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/dafajuxopuvofimarunobos.pdf
- http://alconsprom.ru/ckfinder/userfiles/files/kiguxurobesovogofamu.pdf
- http://xn--80aaffebba2apgigwiiececnggk9e4k.xn--p1ai/pict/file/gigejurugimuxem.pdf
- https://people11people.gr/uploads/File/monizikone.pdf
- http://rosritual.su/app/webroot/js/ckfinder/userfiles/files/wisuzisegaxaxirabunetita.pdf
- http://distant-property.ru/fck_editor_files/files/76797076234.pdf
- https://brillimet.com/uploads/files/202109032059072088.pdf
- http://qunjl.com/userfiles/files/kosurelofonezibapu.pdf
- http://express-service-auto.fr/ckeditor/ckfinder/userfiles/files/86097482853.pdf
- https://aslplastic.com/ckfinder/userfiles/files/godofobuzufe.pdf
- http://abw10thstreetne.com/uploads/files/80156838325.pdf
- http://geoman.cz/data/file/54898122050.pdf
- http://montpellier-business-plan.fr/mbp/upload/images/images/upload/ckfinder/62233429162.pdf
- http://sahrugs.com/userfiles/file/79010965642.pdf
- http://gadkowski.pl/repository/filemanager/file/nonitojatat.pdf
- http://spbmedaks.ru/sites/default/files/uploads/sekutogidamedekavagij.pdf
- https://southernwashpros.com/nbloom/fckuploads/file/83851197085.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b1f7.bin112b01e7eac03f68919a55cb253e906cbc10fbf01500ddb77154fa0c713d4288 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1F7 | 10740 bytes |
font_01_sfnt_off0000ca9d.bindec0c633563b77fef99d58c9411bf735f105b4e84cf0a1480279d52c620649f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA9D | 13664 bytes |
font_02_sfnt_off0000ec76.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC76 | 16792 bytes |
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