MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code within documents. The sample also exhibits characteristics of a link farm, with numerous URLs pointing to compromised WordPress sites, likely serving as a distribution point for further malicious content or phishing pages. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff61fae163---87094091764.pdf In PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/at8qta0qivd0v05147aatbkdn0/vaxonasifukurenideg.pdfIn PDF document text
- http://www.stsmcc.org/www/js/ckfinder/userfiles/files/damuxexepopuvowukop.pdfIn PDF document text
- http://madiagranitosilano.it/userfiles/files/23856284062.pdfIn PDF document text
- http://safetruck.gr/images/file/56015910139.pdfIn PDF document text
- https://vinadesigndanang.vn/uploads/image/files/81017896543.pdfIn PDF document text
- http://rulife.ru/ckfinder/userfiles/files/lexibirutovaxizebet.pdfIn PDF document text
- https://radekslodkiewicz.pl/files/file/rekewesup.pdfIn PDF document text
- https://copperscrap.wasteequipment.net/ckfinder/userfiles/files/bekenumatojawadigevowebew.pdfIn PDF document text
- http://vlaamspatientenplatform.be/_plugin/ckfinder/userfiles/files/gotejuzegomoxofaxuvugas.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16135b1198f4d4---9408774113.pdfIn PDF document text
- https://pezenasenchantee.fr/userfiles/file/51457445362.pdfIn PDF document text
- http://perlawarmii.pl/userfiles/file/13402198318.pdfIn PDF document text
- http://leprofit.ee/cmsfile/contentfiles/95974006659.pdfIn PDF document text
- http://iowatriallawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/28664456817.pdfIn PDF document text
- http://ggbris.com/slbdavbatala/userfiles/file/17951380793.pdfIn PDF document text
- http://arebiatours.com/uploads/files/volijeti.pdfIn PDF document text
- http://punaide.com/userfiles/files/sawidud.pdfIn PDF document text
- http://erex.hu/upload/file/46019378145.pdfIn PDF document text
- https://urology-andrology.com/userfiles/file/rozomuxuwefegugaf.pdfIn PDF document text
- https://foodexgida.com/uploads/files/77174037710.pdfIn PDF document text
- http://dejede.com/userfiles/file/80535914910.pdfIn PDF document text
- https://alrashed-alsaleh.com/userfiles/files/44180702946.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=online+android+games+to+play+with+girlfriendPDF link annotation
- https://cakamuzejs.riga.lv/ckfinder/userfiles/files/dekol.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_off0000f0d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0D0 | 11172 bytes |
SHA-256: 7790f45c6e9288068cc44950c3e29ba7a5c95b244d510d1b91953ea8d9dd5c4a |
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font_01_sfnt_off00010a98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A98 | 18052 bytes |
SHA-256: 25f71512a2b4d9e4d39cf22751545e637a9aa1f81da30b10f10e833077825bb2 |
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font_02_sfnt_off00013956.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13956 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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