MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code or redirecting users. The numerous external URIs, many pointing to compromised CMS upload directories, suggest a link farm designed to obscure the final destination and potentially host phishing content or malware. ClamAV detection and ML classification strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607f933eb7570---mesizaloragiketise.pdf In PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609dc9613e639---76189383822.pdfIn PDF document text
- http://navigator-nsk.ru/userfiles/file/pejabozonoselaxigamofox.pdfIn PDF document text
- http://tantos.jp/js/upload/files/57274017572.pdfIn PDF document text
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/96b1e9006e7d24bd6980b8c3abce1787/nipujofavakakofuxikaliz.pdfIn PDF document text
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/edd2b9889fee387c30917a7263805213/93240616559.pdfIn PDF document text
- https://www.demetagras.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072f0f1b2ba7---37689475874.pdfIn PDF document text
- http://rollfactorytogo.com/uploads/files/guvojibonofow.pdfIn PDF document text
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16083703a77cbf---88888074809.pdfIn PDF document text
- http://brooklynsmokeshops.com/admin/images/file/96279197296.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e5d893d0156---22712075601.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16070c8a035c89---13762670922.pdfIn PDF document text
- http://ledseoul.com/userData/board/file/96437781440.pdfIn PDF document text
- http://74ahs.com/clients/2/2a/2a132ee8da0778863662fd4b1fa251ed/File/rijikuw.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1609e848fd385e---29403155836.pdfIn PDF document text
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7a56224477---norexowivole.pdfIn PDF document text
- http://thedewakohchang.com/image/upload/File/1612767265.pdfIn PDF document text
- https://bd-sokolovska.eu/userfiles/file/6839266373.pdfIn PDF document text
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/4b01vl9a6pa502ugvud74ah7i6/73120480757.pdfIn PDF document text
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/160b893089634f---jonezutidopazifegigigeb.pdfIn PDF document text
- http://alnadaoil.com/userfiles/file/dajewovud.pdfIn PDF document text
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/ddf565206eec1a697a78371f0d1f8951/33185358267.pdfIn PDF document text
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607e093b8ff9f---90766442011.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=diccionario+de+filosof%C3%ADa+nicola+abbagnano+pdf+gratisPDF 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_off0000f4f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4F0 | 19396 bytes |
SHA-256: af0998e98840fcb0a3cdec081b597770608024ee0f0d45ec7fe030d0b2c8332f |
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font_01_sfnt_off000124da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124DA | 10996 bytes |
SHA-256: dd0247f0751d88c9f9d4a7278d497de1bba7411a246ce1c14e0750dd93cd3bf2 |
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font_02_sfnt_off00013e13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E13 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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