MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution. The embedded JavaScript is a common technique for executing malicious code or redirecting users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://irlanc.ru/uplcv?utm_term=gta+san+andreas+android+obb+apk PDF link annotation
- https://jeanmarcrobion.fr/userfiles/file/kujadedes.pdfIn PDF document text
- http://betonkeritesek.eu/Content/files/kibatozitudiraxepe.pdfIn PDF document text
- http://www.lasallelille.com/admin/ckfinder/userfiles/files/malexesamilaxokutamuv.pdfIn PDF document text
- https://mytalk7.com/_UploadFile/Images/file/70829708626.pdfIn PDF document text
- http://camelliafb.com/uploads/files/202109131111202292.pdfIn PDF document text
- http://tele-fonika.pl/upload/file/bedulemon.pdfIn PDF document text
- http://batterseataxi.com/survey/userfiles/files/249473371.pdfIn PDF document text
- http://accessprecision.com/userfiles/file/39608495345.pdfIn PDF document text
- http://pinturasoltra.com/images/slider/files/vuvasejoz.pdfIn PDF document text
- http://tingchucontrol.com/Uploadfiles/files/38948621918.pdfIn PDF document text
- https://ardiinerkh.mn/uploads/userfiles/files/vugugapafawafogixixe.pdfIn PDF document text
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614960485c23c---9094604503.pdfIn PDF document text
- https://www.wizzfizz.com.au/application/third_party/ckfinder/userfiles/files/lasapasagamus.pdfIn PDF document text
- http://hoangminhsaigon.vn/@dmin/js/ckfinder/userfiles/files/63929624022.pdfIn PDF document text
- https://ppkh.net/userfiles/file/20827227895.pdfIn PDF document text
- http://gimnazjum-krasiczyn.pl/img/userfiles/file/tusaranesobuvizuve.pdfIn PDF document text
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/d3c5a4bcac0f100d4948eea36f7a71ff/tumop.pdfIn PDF document text
- http://sd-admin.fazendapenaazul.com/ckeditor/uploads/files/10114875314.pdfIn PDF document text
- http://valosagoskincsesbanya.com/upload/file/99604287274.pdfIn PDF document text
- http://wine-paraphernalia.com/files/winep/_repo/file/nupaje.pdfIn PDF document text
- https://coombs.gocascadia.com/images/cms/file/85983492574.pdfIn PDF document text
- http://xn--90aoa5aj.xn--p1ai/ckfinder/userfiles/files/gaxokutilin.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132214e9b5f5---bufemi.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_off0000b027.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB027 | 10608 bytes |
SHA-256: a0d0b3a54a992f30050733b28448f250c584a20d8d5b8cb40dcd8d2a9fe73151 |
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font_01_sfnt_off0000c851.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC851 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e063.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE063 | 17900 bytes |
SHA-256: 7ab178b1ab7bdc1282a86071e16bcb12d6d681cfe673600a2d6f5cb8711283a4 |
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