MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier, indicating malicious intent. It contains numerous embedded URLs pointing to compromised WordPress sites and disposable hosting, suggesting it's part of a link farm designed to redirect users to malicious content. The presence of external URI links further supports the phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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 https://nomylo.ru/uplcv?utm_term=american+english+file+3+second+edition+student+book+answer+key+pdf
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/2t5noi95k3laik1n6n7kec6386/vovanuret.pdf
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/f760e4d0e03db1acdd9adbef5e283d6b/28487296639.pdf
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f514d028e5---kagumuloveg.pdf
- http://akcjonariusz.com/UserFiles/file/8408169626.pdf
- http://mitcostruttori.it/userfiles/files/80455195409.pdf
- http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1607a3861f3514---77935224518.pdf
- http://0851gay.org/userfiles/202107file/2021070221061170554.pdf
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c85a5ee8a72---40419746439.pdf
- https://www.lashharmony.co.uk/wp-content/plugins/super-forms/uploads/php/files/so86orck3n55nstsrfoa54ukd8/pimebivolidetevokofopisaj.pdf
- http://studioindelicato.com/userfiles/files/perusirebexowewoviwovotu.pdf
- http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f1697afdf6---jikinawojituwal.pdf
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/9bkflpv5efa1ipj5a33fslthl1/55130778784.pdf
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16084814446f2c---kimilo.pdf
- http://nutranghongngoc.com/media/ftp/file/6333762442.pdf
- https://roweryelectra.pl/app/webroot/uploads/file/16259090221233.pdf
- https://shellserva.nl/docs/Image/file/54783400549.pdf
- http://kiiga.ru/userfiles/file/68670430279.pdf
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/dcab66a6f212420baf10be6bc0e834f1/37454123623.pdf
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a00ee497b4f---mikosenex.pdf
- https://eminencesolutions.in/resources/userfiles/file/mefulubu.pdf
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/7kf30n0ehh0eqsr87q5aivm8ma/jitubulafiwika.pdf
- https://angkalaris.com/contents//files/fezogud.pdf
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fdcf2964d5---wubemabetutanoxir.pdf
- http://kozszemle.hu/uploads/files/libowuxaven.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cf07.bincd381de0ead95f7e71f42c99fe1adffeb66ff92e58a43feab5788913ccb1a43f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF07 | 21996 bytes |
font_01_sfnt_off00010568.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10568 | 16792 bytes |
font_02_sfnt_off00011d7f.bin5545014acf1566c546eaf9b3db3c31c5f603bd3e4dbad71a170ae5a08e9efcc6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D7F | 11752 bytes |
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