MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains embedded JavaScript and a significant number of external URIs, many of which point to compromised WordPress sites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution through a link farm. The embedded JavaScript is likely used to facilitate the redirection or exploit vulnerabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://bayardplaza.co.uk/wp-content/plugins/super-forms/uploads/php/files/2kr8hbeubinqr53kbg31ac8n66/gexolipajodisipezo.pdf In PDF document text
- http://inlovehuahin.com/file_media/file_image/file/26755024401.pdfIn PDF document text
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609fa3a6af90b---97884724248.pdfIn PDF document text
- http://france-ex.com/didadojoxifewogalexo.pdfIn PDF document text
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d49041c9018---vivumisodobu.pdfIn PDF document text
- http://sumterhigh89.com/clients/863574/File/64299514493.pdfIn PDF document text
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/87ce8826fabeb6dd0895823be484d322/21934894652.pdfIn PDF document text
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/becdc18e08f44a9dee93ea739f64ce25/11451452653.pdfIn PDF document text
- https://condominiobrisasdelnorte.com/userfiles/file/xabatukupog.pdfIn PDF document text
- https://termofriz.rs//files/1818534194.pdfIn PDF document text
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fb1c625946---bekidanewikowexases.pdfIn PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080b74981eda---99599569855.pdfIn PDF document text
- http://beiwendq.com/userfiles/file/jubezajutativa.pdfIn PDF document text
- https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/1mim680hfff8em60hgqnmgl2dn/daxelolomuxef.pdfIn PDF document text
- https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/hh4lkadrlslmemm8fp0d62qgoq/jegilafisunedumojop.pdfIn PDF document text
- http://angelojrobles.com/admin_initial_test/userfiles/file/21360763729.pdfIn PDF document text
- http://historia-bfured.hu/userfiles/file/kenumefi.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/f90aa3607fdbddfb60fd41df4142d786/32505750509.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ceb970a5e9c---68157960833.pdfIn PDF document text
- https://imad0c0.com/js/ckfinder/userfiles/files/nanojagagaku.pdfIn PDF document text
- http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6abf6a6704---76956421128.pdfIn PDF document text
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090ad0755bb0---fijaruziweretadirokuzeroj.pdfIn PDF document text
- https://powermailer.in/userfiles/file/76707723162.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077b1f3eabb1---pesemetujixafigi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=movie+theater+in+georgetown+txPDF 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_off0000f3bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3BC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010bd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BD3 | 10420 bytes |
SHA-256: 6e87ecf4a12deeeba727b52bbc8d28e678f334ff95b749e7854af7360b910c1f |
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font_02_sfnt_off00012374.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12374 | 17208 bytes |
SHA-256: 9ef1fceb43b8241061085298b0ce3a08e52ddaf16e978abee457b0d3dc92d19e |
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