MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous links to compromised websites, many of which are associated with formcraft or super-forms plugins, suggesting a link farm designed to host malicious files. ClamAV detected this file as 'Pdf.Phishing.Trojan', and ML classifiers also flagged it as malicious. The presence of multiple distinct hosts and a high number of links indicates a coordinated effort to distribute malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.5632
Heuristics 5
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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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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://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c70a7001ce4---zixuvumabef.pdf In PDF document text
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/e2460335e07bd84b1a3c38f8eee41283/figutitarug.pdfIn PDF document text
- http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077fd006ca81---dejirunuvowinudopixo.pdfIn PDF document text
- http://studioguagnoni.it/userfiles/files/lodesakasadunetegude.pdfIn PDF document text
- http://cascinamana.it/userfiles/file/futomobaratofolimib.pdfIn PDF document text
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079b4f99c633---67301448317.pdfIn PDF document text
- https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/s24uvkdutu85gvso7rihst273f/rovon.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/wesapegupatezozujutana.pdfIn PDF document text
- http://thunderstar.cn/userfiles/file/20210502040032595637307.pdfIn PDF document text
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16096d75c14c58---dufozibetakubowikubu.pdfIn PDF document text
- http://cafehinglung.com/uploads/files/50480999703.pdfIn PDF document text
- https://klcmekatronik.com/ckfinder/userfiles/files/50177319957.pdfIn PDF document text
- http://www.elitagida.com.tr/wp-content/plugins/super-forms/uploads/php/files/mf5tepjmc5o4qa514htke2oj62/motuviwadomejoril.pdfIn PDF document text
- http://pphu-joanna.pl/fckpliki/file/71620763464.pdfIn PDF document text
- http://yournamebadges.com/withyourdog/cms_uploads/file/2147898916.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/voloxigubajagulafusaxemu.pdfIn PDF document text
- https://atcotourismtravel.com/userfiles/file/62795531652.pdfIn PDF document text
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/8ir4n3et8s96pl81jojmdktg85/fulokazajibirawejel.pdfIn PDF document text
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/dc335edf9e5dcba1f458b1b412690572/90168755701.pdfIn PDF document text
- http://www.jobsincrete.gr/images/_user_na/file/lanitapoxufegevo.pdfIn PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a488ff4505d---befubopikisosodaf.pdfIn PDF document text
- http://ozkayalartrans.com/userfiles/file/29869834790.pdfIn PDF document text
- https://designcoordinators.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608281aa2a889---tufemoxopesakepilape.pdfIn PDF document text
- http://hoondb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608baeb939607---76411200094.pdfIn PDF document text
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/48d2157b25ae764d363200875008cbee/73520377284.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc2c1aaeb3---zuxilewabovazezogeja.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=problemas+sistemas+de+ecuaciones+3+eso+docPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000113d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113D6 | 18120 bytes |
SHA-256: 3d924aa861d7ffe53732a1b6e19a418177d2f5a3bde410ccc7e4d9043d533b5c |
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font_01_sfnt_off000141e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141E6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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