MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is identified as malicious by ML classifiers and ClamAV. It contains embedded JavaScript and a significant number of external URIs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to obscure the ultimate destination. The embedded JavaScript likely facilitates the redirection or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070ce85f2038---radurene.pdf
- http://sneedfamilyct.com/clients/44919/File/82326217145.pdf
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160bb20c2b269a---93945282649.pdf
- http://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/kilotabivaso.pdf
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a12c2bb0b1f---wajuzanewuluzalafalipume.pdf
- http://pappteam.hu/userfiles/file/kibulap.pdf
- https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/5d9ad0204a917ccd0fe58b4c1879688a/52476860726.pdf
- https://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/bb50i6oq3gq5c339bu7k4uqpf9/79310148621.pdf
- http://brooklynsmokeshops.com/admin/images/file/kukopibako.pdf
- https://alakharia.com/public_html/userfiles/file/dawusel.pdf
- https://stopserv.ru/files/file/71019687183.pdf
- http://peaceinsrilanka.lk/userfiles/file/48669632617.pdf
- https://ankaratemizlikcim.com/depo/sayfaresim/file/sigofijekife.pdf
- https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/b3b72ff60482061ff2e8ac312592f0a6/mafisesakaxegem.pdf
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c457a0cef14---mavukebodob.pdf
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16074fb2296c75---13845169289.pdf
- http://trustarshida.co/cache/fck_files/file/xataxoxexevif.pdf
- https://birgatour.mn/js/ckfinder/userfiles/files/5519544014.pdf
- http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f17527dd49---gipifomiribudam.pdf
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078089884d82---fijobusojize.pdf
- http://osc-pribor.ru/products_pictures/file/29385374598.pdf
- https://unosms.us/userfiles/file/kavuzobabezegevunaxofo.pdf
- https://partnyor.az/userfiles/file/14365536028.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=specific+heat+of+gold
- 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_off0000e55f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE55F | 16792 bytes |
font_01_sfnt_off0000fd76.bin151583a27fa39698209eadcc3d466812dc638d4b3b8e42eb21e3bf50908786a1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD76 | 10600 bytes |
font_02_sfnt_off00011592.bin70a95470b9d889f7948ef66843f489472ec46a4c9dcfd7989e406088f75d02b1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11592 | 17984 bytes |
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