MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is a PDF containing embedded JavaScript and a significant number of external URIs. Several heuristics indicate that these links form a link farm hosted on compromised WordPress sites, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1613d0be510982---30003724036.pdf In PDF document text
- https://egyptsuntours.com/userfiles/files/bepolelipavol.pdfIn PDF document text
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/do29p8i3982ml3he86obdogofv/patakexonefinalukefega.pdfIn PDF document text
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/ofsh1vevn7a8lr60rkgloobc00/feken.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614540af05ab3---32901523740.pdfIn PDF document text
- https://thehideawayresortpattaya.com/userfiles/files/91591110844.pdfIn PDF document text
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/1612f08f8aecbb---73791021227.pdfIn PDF document text
- http://gardatrans.com/content/Files/ritatawoluto.pdfIn PDF document text
- http://hanabi-la.com/uploads/files/devisifapadolev.pdfIn PDF document text
- https://luatsubienhoa.com/upload/ck/files/8885535840.pdfIn PDF document text
- https://hopclickhospitality.com/scgtest/team-explore/uploads/files/depumopodafosa.pdfIn PDF document text
- http://www.tempshift.com/app/webroot/files/uploadimagesfile/leluluxofirezeju.pdfIn PDF document text
- https://almoheetmanpower.com/public_html/userfiles/file/pikanat.pdfIn PDF document text
- https://businesslife.com/content/files/bonapipuvebo.pdfIn PDF document text
- https://soyana.de/js/ckfinder/userfiles/files/42442085664.pdfIn PDF document text
- https://yenhuy.vn/upload/files/dirijuvusekar.pdfIn PDF document text
- http://yugreat.com/filespath/files/20210917104918.pdfIn PDF document text
- https://hankilfood.com/upfile/files/52978761187.pdfIn PDF document text
- https://hiroyoung.com/data/files/56443386181.pdfIn PDF document text
- http://www.ap-arte.ro/fckupload/file/42655520205.pdfIn PDF document text
- https://home-consult.lu/userfiles/files/56493261363.pdfIn PDF document text
- http://narzedziascierne.eu/Upload/file/36971915138.pdfIn PDF document text
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/c8d13ff8178750f6de31ea9efb4c6fda/91183428439.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+stop+message+blocking+on+androidPDF 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_off0000ba76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA76 | 17880 bytes |
SHA-256: b97fc549d02952e7591a095a8695e6c5c5313913571ebb0214e07a4f1059f101 |
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font_01_sfnt_off0000e861.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE861 | 11168 bytes |
SHA-256: b0fd3e4952f885de4a652cd6c726e1d382b69621abaea0fde09f336312d79aba |
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font_02_sfnt_off0001020f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1020F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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