MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript and multiple external URIs, many of which are part of a link farm hosted on compromised CMS uploads. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware delivery through these redirects. The embedded JavaScript is a common technique for executing malicious code within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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 https://pistant.ru/uplcv?utm_term=pokemon+go+hack+on+pc PDF link annotation
- https://adetexfoamgroup.centralcms.cloud/galeria/files/87521683420.pdfIn PDF document text
- http://gima.ge/admin/ckeditor/ckfinder/userfiles/files/gusezaxafodusatosarikip.pdfIn PDF document text
- http://noithatmyhome.com/img/files/sodowagasiz.pdfIn PDF document text
- https://iqrainternationalschool.org/_assets/files/72180758154.pdfIn PDF document text
- http://thesciencenetwork.org/uploads/files/29466906878.pdfIn PDF document text
- http://gibisch.org/files/files/bufadixiwajaxop.pdfIn PDF document text
- https://dewalt-naradi.cz/media/upload/editor/file/duredaxoxena.pdfIn PDF document text
- http://keystoparadise.com/userfiles/files/moxonumobijafa.pdfIn PDF document text
- http://lumieretvie.com/userfiles/file/gerobidukixepixaxu.pdfIn PDF document text
- https://codefon.hu/js/ckfinder/userfiles/files/vojafisokinidudig.pdfIn PDF document text
- http://www.ags-sib.ru/ckfinder/userfiles/files/davekotonusalarulavesum.pdfIn PDF document text
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/161456a834e630---lativonaxavufamo.pdfIn PDF document text
- http://arniestribu.com/campannas/file/fexobijukuzimamukavakawu.pdfIn PDF document text
- http://orzo.cz/uploaded/files/fanewepetupufiwafufitaw.pdfIn PDF document text
- http://karaokejdi.com/ckfinder/core/connector/php/upload/files/wuwasaridigumatesasate.pdfIn PDF document text
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/ebc9d620c15085d737faf6508f5c70ce/duziliwixirazut.pdfIn PDF document text
- https://mariapolis.es/ckfinder/userfiles/files/24740768796.pdfIn PDF document text
- http://mingmitrcoffee.com/user_img/files/84855978024.pdfIn PDF document text
- http://www.petersonassoc.com/emailimages/file/45320065262.pdfIn PDF document text
- http://fongyoskert.hu/userfiles/files/75327285440.pdfIn PDF document text
- http://coeb.eu/userfiles/files/24357542015.pdfIn PDF document text
- http://acelybio.com/upload/files/49574214988.pdfIn PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613b9c14cb241---momexofugojedig.pdfIn PDF document text
- https://radio-clipa.ro/userfiles/file/gewesitajixo.pdfIn PDF document text
- https://viettincapital.vn/upload/files/52040812241.pdfIn PDF document text
- https://trexanh.net/upload/files/50044108511.pdfIn PDF document text
- 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_off0000ccdf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCDF | 10408 bytes |
SHA-256: 07858562788c9376c3569ff21b5cfa5d94f1756f1941a84efb97115747cb2f12 |
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font_01_sfnt_off0000e448.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE448 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fc5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC5A | 19196 bytes |
SHA-256: b749d07c331b759c4b375ba6a6ce408cde35a442d60745c7340029e01f9f0d53 |
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