MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file contains embedded JavaScript, which is often used to exploit vulnerabilities or redirect users. The heuristic 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' indicates that the document contains links pointing to compromised WordPress upload storage, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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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://funstore.dialog.org/userfiles/file/31154587464.pdf
- https://qeyeoptical.com/ckeditor/ckfinder/userfiles/files/durenoxolisara.pdf
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f6167c1925---mesawafirevilupaf.pdf
- http://studioingtassinari.eu/userfiles/files/29551093839.pdf
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613deb230f12b---boloxakux.pdf
- http://111-orte.de/testarea/cwsCMSlight/media/files/94205188295.pdf
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8c91cbb22a91534413a4f2baa303fd1d/femixivasasalaw.pdf
- https://selispin.net/calisma2/files/uploads/dixumitazonezenumededisad.pdf
- https://qigoodteam.com/uploads/files/202109150702145955.pdf
- https://afma.pt/site/upload/file/berurapodesulazixodo.pdf
- http://vangphutai.com/images/uploads/files/63114586627.pdf
- https://abhrian.com/userfiles/files/77810343649.pdf
- http://sujitonweb.com/userfiles/files/14061535028.pdf
- http://presssimayeshahr.ir/pic/file/navesikejap.pdf
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161342464b6868---92310825869.pdf
- https://oncallanatomist.org/ckfinder/userfiles/files/67904100893.pdf
- https://berettyotv.hu/userfiles/files/93313232452.pdf
- http://aotwresort.info/ckfinder/userfiles/files/94678032676.pdf
- http://autostyle-japan.com/js/upload/files/gazunowase.pdf
- https://i-chat.tw/js/ckfinder/userfiles/files/40473373678.pdf
- http://xn--80aagkbrca3apkgkee0a1bi.xn--p1ai/ckfinder/userfiles/files/fatinimusad.pdf
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/307f453058dca860ea50922f0c8ee610/525080530.pdf
- https://skillmapmagazine.com/ckfinder/userfiles/files/78539254584.pdf
- http://platcometals.com/images/file/zetalenusalo.pdf
- http://thementalhealthadvocates.org/files/userfiles/file/mipixekokuwuvakev.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=sword+art+online+ep+1+dub
- 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_off0000b445.binb3be0dc403b900a7eb841a51b36011e701235e9d65606f5507f8e41388316a3c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB445 | 15928 bytes |
font_01_sfnt_off0000dc6b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC6B | 16792 bytes |
font_02_sfnt_off0000f482.bine1118424803c63a6dd8f9f87eb84f921bc1e937330eb8d578ac13818e1b4bae2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF482 | 10668 bytes |
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