MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file identified as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and a large number of external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a phishing or malware distribution lure. The presence of embedded JavaScript suggests an attempt to execute malicious code or redirect the user to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://allytemp.ru/uplcv?utm_term=los+diarios+de+turner+pdf PDF link annotation
- http://newworldss.com/uploads/file/zewuvizad.pdfIn PDF document text
- http://3bbb.fr/ckeditor/upload/files/sokofalasoxulo.pdfIn PDF document text
- https://himalmanpower.com/ckfinder/userfiles/files/2840261720.pdfIn PDF document text
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/3d378516c50e1302f0537a7ef7f53fc1/jisitun.pdfIn PDF document text
- http://aci-immobilier-douai.fr/userfiles/files/3458807716.pdfIn PDF document text
- https://liur-krd.ru/userfiles/file/betowibot.pdfIn PDF document text
- http://papianiarch.it/userfiles/files/duwaxigafenabebog.pdfIn PDF document text
- http://xn--e42bt3l.net/upfile/files/linaz.pdfIn PDF document text
- https://dubigroup.com/admin/fckeditor/editor/filemanager/connectors/upload/file/zevenipitagitisaxiwupap.pdfIn PDF document text
- http://express-service-auto.fr/ckeditor/ckfinder/userfiles/files/zanowidovuta.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16130951d02687---tosomo.pdfIn PDF document text
- https://hardlineconstruct.ro/app/webroot/files/userfiles/files/xumulanuzijogidok.pdfIn PDF document text
- http://asdgolfclubtoscana.com/writable/public/userfiles/file/kiluninekuligifizuz.pdfIn PDF document text
- http://upnbkk.com/file_media/file_image/file/vitig.pdfIn PDF document text
- http://sushikyototogo.com/uploads/files/zolevebuwetekonixuxanuz.pdfIn PDF document text
- https://dsverano.com/UserFiles/File/fodiwifisusubavujo.pdfIn PDF document text
- http://www.mariabeckmann.com/fotos/uploads/files/muwefiwitaj.pdfIn PDF document text
- https://aokman-drive.com/d/files/16215646145.pdfIn PDF document text
- https://prospr.fr/ckfinder/userfiles/files/tevabix.pdfIn PDF document text
- https://franciscovalles.comtraining.cl/userfiles/files/71778046996.pdfIn PDF document text
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/2664a95b5953e7bfde20b592018cf122/4879099112.pdfIn PDF document text
- https://trade.inter-ural.ru/ckfinder/userfiles/files/zebof.pdfIn PDF document text
- https://www.algeos.com/js/ckfinder/userfiles/files/84485796749.pdfIn PDF document text
- http://mrspk.com/ckfinder/userfiles/files/13755068691.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_off0000d179.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD179 | 18800 bytes |
SHA-256: 165d575aef7dd8e1f0ce70e863b8bbfa2a7f0cbf1fc9178018c6327238d4ae46 |
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font_01_sfnt_off00010179.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10179 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011990.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11990 | 10500 bytes |
SHA-256: 9fe4b1117c809cf5ca2d25e45d8c8fc8f6a4417d62815ab3ea799ccb63455a8f |
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