MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external URIs, many of which point to compromised CMS uploads and disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to deliver a phishing payload or further malware. The embedded JavaScript is likely responsible for initiating the download or redirect.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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://poorclarescork.ie/images/namakasexowaxujez.pdf In PDF document text
- http://caryhigh1987.com/clients/41333/File/10184924635.pdfIn PDF document text
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/b6ddb4bc557343da3b0532dbbaa0cc94/9585254304.pdfIn PDF document text
- http://kagoshimakojintaxi.com/userfiles/file/zipinuwokiripuloxidege.pdfIn PDF document text
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dda84e61ae---suwetufofagajopadirato.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a675dfe76ec---kibetoludoditezepimewemal.pdfIn PDF document text
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b5396b03ca7---72621162805.pdfIn PDF document text
- http://www.kammerpop.de/files/file/23484697068.pdfIn PDF document text
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/1241s32kgshbmgif0mic66na14/64943994132.pdfIn PDF document text
- https://newtech-utm.pl/userfiles/file/95180242529.pdfIn PDF document text
- http://duda-tech.pl/dudatech/upload/file/22350868373.pdfIn PDF document text
- https://jagamimpi.org/contents//files/56964180513.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b5c3ddf0d0f---44259913377.pdfIn PDF document text
- http://skyrun-arser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/2106261449496938539wr3yd.pdfIn PDF document text
- http://market-oborudovanie.ru/upload/file/jekodinakojakaposut.pdfIn PDF document text
- https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/grf2ldq9b5gadg3iaao1878bt0/96920901182.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/783aa491f4310fd4f762f1daef37ed57/nijexiw.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/q1p04t96s7maq1t7011llojke3/nenel.pdfIn PDF document text
- https://damiel.eu/userfiles/file/24775102934.pdfIn PDF document text
- https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/9n2ij8bts8cti6b4hoila7j4dq/97183613152.pdfIn PDF document text
- https://tavio.ru/files/file/2330452458.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609a205d45691---9315669178.pdfIn PDF document text
- https://samarpanbharat.org/trila/userfiles/file/32850363488.pdfIn PDF document text
- http://lowndes85.com/clients/d/d3/d39312ffd46aa2fbcc4e4de04d96a17f/File/gepubuvuxudakopefavewon.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=short+run+equilibrium+in+perfect+competitionPDF 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_off000140c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x140C0 | 17740 bytes |
SHA-256: aa6c6079fc3eb15b4bbd0110b45adcb873ad2189572e219995ece0a78026e9e1 |
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font_01_sfnt_off00016ee7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16EE7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000186fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x186FE | 10876 bytes |
SHA-256: 44a602ef16fb0359ffaba0ff16b6bcc246bd95029ba2f875cf9f462fe4f4316b |
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