MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed for malicious redirection. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to deliver a secondary payload or lead to phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://philabc.ru/uplcv?utm_term=sao+md+apk+mod PDF link annotation
- http://pokewaveanaheim.com/uploads/files/tagewuleke.pdfIn PDF document text
- http://warwick-ems.org/userfiles/file/lepilexa.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/5kkv0kfauoatj7feb727qlbpe7/nezexuj.pdfIn PDF document text
- http://mycoapaisyl.com/webimages/files/74211441708.pdfIn PDF document text
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/16145527fb3eb3---63844270980.pdfIn PDF document text
- http://eng.sut.ac.th/tce/2016/administrator/ckfinder/userfiles/files/96010251433.pdfIn PDF document text
- http://kiuanai.com/userfiles/file/lupupexuvan.pdfIn PDF document text
- http://tensoinox.com/userfiles/files/lesigitemiraponevorubuga.pdfIn PDF document text
- http://www.bluewhaleline.com/image/upload/File/81327566731.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/76e2ff35fe229133edda5a01c5c21c53/56073123125.pdfIn PDF document text
- http://www.zaluziemalina.cz/userfiles/file/kojijosurimel.pdfIn PDF document text
- http://greenld.com/userfiles/81225873697.pdfIn PDF document text
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/1c97dd420abcdf0fbfe1c740d419f69e/60172106393.pdfIn PDF document text
- http://tg-focus.ru/userfiles/files/70540110550.pdfIn PDF document text
- http://aliguoriarchitetto.eu/userfiles/files/73768696327.pdfIn PDF document text
- https://zapcdn.space/web/img/podborky/files/80128216855.pdfIn PDF document text
- http://balletpanov.com/uploads/files/lobijapemamugagewewutu.pdfIn PDF document text
- http://hourinkan.net/js/upload/files/sitebonalemeduxapi.pdfIn PDF document text
- https://landatur.com/files/galeria/files/rejarim.pdfIn PDF document text
- https://tonymusic.se/UserFiles/files/fopobonoxutolorola.pdfIn PDF document text
- http://ranch.pl/files/file/93914638253.pdfIn PDF document text
- https://divanich96.ru/admin/ckfinder/userfiles/files/60545371942.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_off0000de70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE70 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f682.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF682 | 17988 bytes |
SHA-256: 985f7a7b2f835dea318658524ed603a67c54074900cb4328afa154a8b17ba0ce |
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font_02_sfnt_off0001254c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1254C | 9980 bytes |
SHA-256: e685021800b761c4049d0feb229801e6fa5ca573673fd3cf6d54637b875937da |
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