MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for executing malicious code. It also features numerous links to compromised websites, many of which appear to be WordPress sites hosting PDF files, suggesting a link farm or phishing lure. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9924
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 http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a86af86041c---90268471346.pdf In PDF document text
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/e0efbfed0d97d90b90205b18df8df2ef/bemaxukov.pdfIn PDF document text
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/sdukcie5uonk7ndjr8gg4gdjgl/xalonukubumisaloto.pdfIn PDF document text
- http://cattaneoarchitetti.it/userfiles/files/xomepuzuniduroxub.pdfIn PDF document text
- https://lanjutpt1.com/contents//files/lalogimatutedagasaza.pdfIn PDF document text
- https://art4you.sk/editor_uploads/system/files/62409961417.pdfIn PDF document text
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b88ed033653---76503258568.pdfIn PDF document text
- http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608545b32e9f3---ferarijugip.pdfIn PDF document text
- http://arohitourandtravels.com/userfiles/file/lupeto.pdfIn PDF document text
- http://handlpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/77364928855.pdfIn PDF document text
- https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/bov3vf7ahf29v3muhqggbgotiu/zepiporosaja.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/85341183604.pdfIn PDF document text
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091c0fdda434---7585515762.pdfIn PDF document text
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/1905b86fe19b693e4a2b47e2567211bf/23855257906.pdfIn PDF document text
- https://ppuhperspektywa.pl/files/edytor/file/11791121516.pdfIn PDF document text
- http://adamlegal.com/userfiles/file/78036986589.pdfIn PDF document text
- https://coimbatorepressclub.com/FCKeditor/userfiles/file/fonikofe.pdfIn PDF document text
- http://alituncer.com/userfiles/file/nojaz.pdfIn PDF document text
- https://registracijakoncar.com/webroot/js/ckfinder/userfiles/files/30354016350.pdfIn PDF document text
- https://amblamy.ee/upload/file/xaxilesazofaxumimati.pdfIn PDF document text
- http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160804ac72c5ba---pivazizet.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3247aefac8---92266918954.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1608acc2a9d1aa---tituwamekoxuxur.pdfIn PDF document text
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/e3aac3d8acf4ca54bad9bf91a608fcbc/pukezemixusujibiduxe.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d60d4148c57---jonota.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=landlord+business+simulator+with+cashflow+gamePDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f45c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF45C | 11204 bytes |
SHA-256: 378cd4a38cc6c4eee0c8f400b38e45acbd41175840abc67b1bfe5327d22ba14b |
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font_01_sfnt_off00010e2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E2E | 1668 bytes |
SHA-256: 0a4af374cb035e676210909e4790276a619635896d879aefac6ffd5912e9aefa |
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font_02_sfnt_off0001161e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1161E | 17972 bytes |
SHA-256: a617e630a0a9fa9b3aa3e7cbfef8f85d1d5d95abfc2425e836169d447e613dbf |
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font_03_sfnt_off0001450e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1450E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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