MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF sample was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains numerous links pointing to compromised CMS upload storage and disposable hosting, suggesting a phishing or malware distribution lure. The presence of these links indicates an attempt to redirect the user to potentially harmful external content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://hesexpo.com/img/editor/image/file/funuxirivukemir.pdf In PDF document text
- http://alliusie.com/userfiles/file/gubakoxomakokitemomep.pdfIn PDF document text
- http://thechitay.com/uploads/userfiles/file/42205770923.pdfIn PDF document text
- https://businessservicesuk.com/userfiles/file/fixanodesunon.pdfIn PDF document text
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/733aed663de95edf95747426dac8572e/90180982088.pdfIn PDF document text
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0d78dbd59---14174345583.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb4c6ac067---sijori.pdfIn PDF document text
- https://viboot.com/ckfinder/userfiles/files/1743651728.pdfIn PDF document text
- https://aduanaldelvalle.mx/userfiles/file/89157802508.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160d6ba89d06f8---rutifuzutuvoxozorus.pdfIn PDF document text
- http://futurepoolandspa.com/ckfinder/userfiles/files/84130637817.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/bdb359a1fc9deca146257a4b1fe3edfb/20949402848.pdfIn PDF document text
- http://www.contectrade.hu/fckfiles/file/37030029502.pdfIn PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/2b96dcebbd00744b8db6a131a2750677/97424995333.pdfIn PDF document text
- http://j-club.eu/userfiles/file/favivevoladikekosu.pdfIn PDF document text
- http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/lemadija.pdfIn PDF document text
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606f22dcef758---96780088495.pdfIn PDF document text
- https://kogan-photo.ru/wp-content/plugins/super-forms/uploads/php/files/937e8416d8f63b6a3479dc81487ab6d9/36190968120.pdfIn PDF document text
- http://nhadatv.com/webroot/img/files/fezajesobovibekuwitiv.pdfIn PDF document text
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/7t9fp7jp9t83tk202ucbafo3ve/vunakirokanirel.pdfIn PDF document text
- https://arredamentigiacobbe.it/file/18078926663.pdfIn PDF document text
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8cd0e34e89---tudobivatebal.pdfIn PDF document text
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/921e0f8a719251e1bf3a9c72d5b3ae5f/jinizorovi.pdfIn PDF document text
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/877ecc1aae8d5494d6264aab62f9558b/77884922209.pdfIn PDF document text
- http://niszczeniewaw.pl/userfiles/file/45089729236.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=papelucho+detective+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_off0000e550.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE550 | 10512 bytes |
SHA-256: 7c9b545ec652b082fac7762c63bfd7aba35237de706833c1ac153a7e78bbe0f0 |
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font_01_sfnt_off0000fd60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD60 | 18592 bytes |
SHA-256: 13a92d93dfa7e12aeb4bdaf764d34b6769489e539225b98d052d89b083548d81 |
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font_02_sfnt_off00012d21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D21 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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