MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains embedded JavaScript, which is a common technique for executing malicious code within PDFs. Additionally, it features a link farm pointing to compromised WordPress uploads and other external URLs, suggesting an attempt to redirect users to malicious or phishing sites. The presence of embedded JavaScript indicates a likely intent to download and execute a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/a396102c6e360d73a046340db8fbea44/nurevazazaxapiz.pdf In PDF document text
- https://agros.net/uploads/file/80354141099.pdfIn PDF document text
- http://tsradviseurs.nl/mailing/images/photo/file/lomeno.pdfIn PDF document text
- https://radio-aurea.eu/files/file/14754447600.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160824ee2a5f25---43455744339.pdfIn PDF document text
- http://www.ks-klinika.ru/ckfinder/userfiles/files/21599447914.pdfIn PDF document text
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/336afca1ce2c38c55c2b3a0ce5587117/tidojefuxod.pdfIn PDF document text
- http://ekonopuntos.com/campannas/file/kajoxo.pdfIn PDF document text
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/fbe47d1ee6791b70dadaaa8d16ac8dc9/37119984533.pdfIn PDF document text
- http://www.dr.schure.net/ckfinder/userfiles/files/94236125089.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/d7gkgco2bcbcekkqebrstehsbe/85620910868.pdfIn PDF document text
- https://atamergranit.com/userfiles/file/tegugumeripo.pdfIn PDF document text
- http://rama-sp.com/rama/webroot/js/ckfinder/userfiles/files/xunakefel.pdfIn PDF document text
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c88217a9741---69336722583.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160d4e7d8439ab---33116238545.pdfIn PDF document text
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/jingnmfhcnccncmag18f9n5m4n/89884778922.pdfIn PDF document text
- http://gsmontaggi.it/userfiles/files/81538373200.pdfIn PDF document text
- http://jrpst.pl/userfiles/file/22473465819.pdfIn PDF document text
- https://marosme.ro/hirek/file/52960340087.pdfIn PDF document text
- http://cathugo-catamarans.de/res/wysiwyg/file/74299170809.pdfIn PDF document text
- https://unibel.pl/pliki/upload/file/26272804023.pdfIn PDF document text
- http://interwork.sk/userfiles/file/63191627651.pdfIn PDF document text
- http://kirilmazbardak.com/userfiles/file/96663369524.pdfIn PDF document text
- https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/778eec73e37f59a16c00251f3b180d63/78858210832.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=how+to+get+an+open+work+permit+in+canadaPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000da5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA5B | 17020 bytes |
SHA-256: 5fb6efc6b8cc7fba462393c4fe2fbf4833813f0b0f75c8fe2f6e002fae6912a8 |
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font_01_sfnt_off00010709.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10709 | 10812 bytes |
SHA-256: 449fb2458472cf99830903c0e2932f371389eb2df8892d1b8cd5186137eba840 |
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font_02_sfnt_off00011fc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FC4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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