MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document containing embedded JavaScript and a large number of external links. Many of these links point to compromised WordPress sites or disposable hosting, indicating a likely phishing or malicious redirection campaign. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://eyupsifalibitkiler.com/resimler/files/xuwozewotijiveluvuz.pdf In PDF document text
- https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/3ff7b1acd5c7605c1e09df98f165e3d1/54206547706.pdfIn PDF document text
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132e8f15b1ae---beniwajexugenomonoramufa.pdfIn PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161322762e682e---4835515877.pdfIn PDF document text
- http://lanaecoloridabruzzo.it/userfiles/file/96089476487.pdfIn PDF document text
- https://marblo.ph/app/webroot/img/files/69946427608.pdfIn PDF document text
- https://tyko.pl/userfiles/file/71504075665.pdfIn PDF document text
- http://yeongwonenc.com/userfiles/file/70353529798.pdfIn PDF document text
- http://nanchang.chinatupai.com/web/js/ckfinder/userfiles/files/2496326367.pdfIn PDF document text
- http://ozanatalan.com/iboard/includes/userfiles/files/20579496201.pdfIn PDF document text
- http://rideabikenews.com/user_img/files/buvixesumilomuwowutenulop.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/wizeboni.pdfIn PDF document text
- https://am-system.eu/ckfinder/userfiles/files/jogopisowovuvikasu.pdfIn PDF document text
- http://seibyou-koujien.com/files/files/80142319936.pdfIn PDF document text
- https://smwebtechnology.com/arishayurveda.com/userfiles/file/10794654751.pdfIn PDF document text
- https://birutelorasin.com/contents/files/rowukedifekumesinuwebi.pdfIn PDF document text
- https://lhorizon.ca/uploadHorizon/file/jazemenuv.pdfIn PDF document text
- https://dongciao.com/uploads/files/202109081949174358.pdfIn PDF document text
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/948335f9221ac93e701d18cab885322b/63679464295.pdfIn PDF document text
- https://pmfegypt.com/userfiles/files/pozunuvuwojamova.pdfIn PDF document text
- https://varbackaforskola.se/ckfinder/userfiles/files/12413532166.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=e+sword+para+android+en+espa%C3%B1olPDF link annotation
- 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_off0000bb80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB80 | 10560 bytes |
SHA-256: 29cbba620a69a7a544e63530bc2c7f89d1f9dbaa3582cacaf16f1c8283a9993b |
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font_01_sfnt_off0000d36f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD36F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000eb81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB81 | 17256 bytes |
SHA-256: 227330e0723aa22c05000b786b71500f5ed6f8f642b6f4e5a1052275c7ef3bd6 |
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