MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to disposable hosting or compromised upload storage, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution. No specific family could be identified.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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 http://sistarelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/82508525590.pdf In PDF document text
- http://geopraxis.it/userfiles/files/dulebofazuzuliga.pdfIn PDF document text
- https://padservhosting.com/userfiles/file/90537346893.pdfIn PDF document text
- http://nawaress.com/webroot/js/ckfinder/userfiles/files/femazukadusawadi.pdfIn PDF document text
- http://telek-trans.hu/editor_up/77929680525.pdfIn PDF document text
- http://xn--80aafjbaeihgganggf9ajkncugh2a.xn--p1ai/pict/file/74011548785.pdfIn PDF document text
- http://www.mbk-montage.nl/ckfinder/userfiles/files/63699669006.pdfIn PDF document text
- https://manusingh.org/scgtest/eec-new/codelibrary/ckeditor/ckfinder/userfiles/files/7453865623.pdfIn PDF document text
- https://qigoodteam.com/uploads/files/202109200909194967.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/161442f48896b7---semufowupivel.pdfIn PDF document text
- http://etepi.pt/js/ckfinder/userfiles/files/tonexidelovixes.pdfIn PDF document text
- https://www.spitalmoldovanoua.ro/ckfinder/userfiles/files/pobidolagipenukituj.pdfIn PDF document text
- http://the100voicesofgospel.de/fichiers/newsletter/file/2381134042.pdfIn PDF document text
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/9t8avsbp0gqh6sn5iir733kudq/tatesopowovubapowosan.pdfIn PDF document text
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145c834126c3---2033120056.pdfIn PDF document text
- https://www.frontieregypt.com/sites/all/libraries/ckfinder/userfiles/files/xezux.pdfIn PDF document text
- http://csaladiegyteruautok.hu/userfiles/files/napobimivolez.pdfIn PDF document text
- http://antoniolescio.net/userfiles/files/fitotofineponirusidufub.pdfIn PDF document text
- http://ansing.nl/userfiles/file/94251113203.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16142b3d693c45---pefakut.pdfIn PDF document text
- http://amunt.madteam.net/ckfinder/userfiles/files/11485683649.pdfIn PDF document text
- https://xn--80aaijz0c.xn--p1ai/ckfinder/userfiles/files/29239514074.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/22802357400.pdfIn PDF document text
- http://italianopizzeria-pg.com/uploads/files/perogere.pdfIn PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161472840f20bb---65460791063.pdfIn PDF document text
- http://sunil.kr/uploadfile/fckeditor/file/59580889130.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=auto+call+recorder+download+appPDF 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_off0000ec91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC91 | 17368 bytes |
SHA-256: 1d1739b81523d3cf7762fb08da00c2f01d5ebf11da7b3e1fd34b7fb4dca4e882 |
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font_01_sfnt_off000119e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119E2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000131f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131F9 | 10412 bytes |
SHA-256: f29c92e5880c5357002dfea665d3c4caa120411d3df18d7f5fc71fce1adc2de9 |
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