MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised WordPress upload directories, suggesting a link farm designed to redirect users to malicious content. ClamAV and ML classifiers identified this file as malicious, specifically as a phishing trojan. The presence of multiple external URIs and link farm heuristics indicates an attempt to lure users to external sites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a74735f4189---befes.pdf In PDF document text
- http://sofia-es.tokyo/yamituki-n/uploads/files/panujululit.pdfIn PDF document text
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b180e0bfc84---pesaxukemazunerikulo.pdfIn PDF document text
- http://kapsalonvogue.nl/files/file/59838154590.pdfIn PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/nhnv09jrau7292cgbbgol54ku7/sowobulawip.pdfIn PDF document text
- https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/954b80bngftehqo8qb8i7kuape/58398776584.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160c94f11c3feb---91310382883.pdfIn PDF document text
- http://arredamenticucinesiciliane.it/userfiles/files/muxarejekaxadekutojo.pdfIn PDF document text
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/mqq0loleoitlqv0ig36ei71th2/5658860162.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/bfa5b687764fec86143749b0faccec12/80264189421.pdfIn PDF document text
- http://veterinariogiardinelli.it/userfiles/files/39847302901.pdfIn PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/7ac0068111213047c0987acb0896009f/90557767901.pdfIn PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1f82c90401---55212109836.pdfIn PDF document text
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa67fd76de---52908119801.pdfIn PDF document text
- http://xn--80aadq3ae7aa5k.xn--p1ai/upload/file/95587244941.pdfIn PDF document text
- https://ascinfratech.com/clientprojects/trading/file/museraba.pdfIn PDF document text
- http://jonmechina.com/ckupload/files/6391432550.pdfIn PDF document text
- https://mojer.bg/files/31266852742.pdfIn PDF document text
- http://shipsupply.ru/userfiles/files/72424785839.pdfIn PDF document text
- http://verkaufs-akademie.com/userfiles/file/velizoluwopunelin.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072b07cc3b0f---61274018637.pdfIn PDF document text
- http://asfalon.com/__files/file/noxarivipuxevagekevotor.pdfIn PDF document text
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/h1p709sjsq1ahf53cgbqmnom56/momuvuzekibesaribu.pdfIn PDF document text
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/fmacjn3ajdfs9jomsrrcmc32k5/pebadak.pdfIn PDF document text
- https://www.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073f43ba5030---1878075249.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=8th+class+odia+geography+book+pdfPDF 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_off0000e9a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9A0 | 11252 bytes |
SHA-256: e5eec454d341221d98d66b6b4e78a1363e71aa5539242e554ed41a3f32f66f50 |
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font_01_sfnt_off000103c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103C5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011bd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BD7 | 17204 bytes |
SHA-256: d1d484bd61b3ae9b5f6981bfda7ca38d4fa4a85c1bc96ddea2ed7c719d7d72ad |
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