MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple compromised CMS upload storage locations, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body is heavily obfuscated and appears to be generated content rather than user-readable text.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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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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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://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c2bba08ffdd---dopew.pdf In PDF document text
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/b2fafbbb1551c42b285619161761c134/30043714152.pdfIn PDF document text
- https://aedwea.com/upload/foto/17128886360.pdfIn PDF document text
- https://www.basur-tedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160803bbf17f1a---temeziberis.pdfIn PDF document text
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/e21bc9d3d01a10555b04b9c9c66836fe/18919364574.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/10c20af53ae4a9cbdaf193b095fea995/nerofavarurotewu.pdfIn PDF document text
- http://washchienluoc.com/upload/file/51285926431.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c26c49790d---xozetogojunorebifodun.pdfIn PDF document text
- http://cjatkinson.com/userimages/25430330626.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160781c69e4e68---konagubidisuka.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/16073b41de47e6---37221290502.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160b72b4857d17---98874741770.pdfIn PDF document text
- http://cristal-in.fr/userfiles/file/86486516613.pdfIn PDF document text
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/vbl9gpbrb03vfpmn218nmq177m/12470362886.pdfIn PDF document text
- https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/84364ec49c998f0e3c32ab9e348eee61/78899848175.pdfIn PDF document text
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/2f81e780a1fd92b99d29743206981316/32536829799.pdfIn PDF document text
- http://www.aqsclimited.com/EditorImages/file/loboturax.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb8570f8f3---danaxugijajawekemalu.pdfIn PDF document text
- http://rufullthrottle.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078809bd3d46---nupuzusumawitifaxuzokib.pdfIn PDF document text
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609cf2ff8d2c7---46231128576.pdfIn PDF document text
- https://www.jscorporation.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/16091e166badf6---gijomodufirekimamafol.pdfIn PDF document text
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/2vj4e1bkkd6enail373g3o17ag/joxumun.pdfIn PDF document text
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/2650b0beb7ecf2dcf2416d0dbde348ca/xosifevaralemulexiruv.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=530mm+to+inchesPDF 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_off0000e531.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE531 | 17656 bytes |
SHA-256: 6a3235f6c7f3ea4e3787ee60ac05ab22c6eeaf010a057d35051580e4bb876742 |
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font_01_sfnt_off000112cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112CB | 10520 bytes |
SHA-256: cbbf5cde10bbe02ec856730ceaeb2baeaf5a6bf6993f031bfe5d10b6c15eb398 |
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font_02_sfnt_off00012a89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A89 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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