MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code or redirecting users. The presence of multiple URLs pointing to compromised WordPress sites and disposable hosting suggests a link farm designed to distribute malware or phish for credentials. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
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://ncvpte.in/userfiles/file/63726220879.pdf In PDF document text
- https://laps.pl/userfiles/file/90733579161.pdfIn PDF document text
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607f23c4a2c1a---77772737522.pdfIn PDF document text
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/tq9h5pdn0tnipo9bn775kvopl9/89166744474.pdfIn PDF document text
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bce292a9723---32555563262.pdfIn PDF document text
- http://pvvc.cz/files/39478438878.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160728191f29be---86755855695.pdfIn PDF document text
- http://www.ishvani.com/www/js/ckfinder/userfiles/files/volitewefojitab.pdfIn PDF document text
- https://szallas-karpatalja.com/upload/85043485330.pdfIn PDF document text
- http://amandamaitland.com/images/file/12435033778.pdfIn PDF document text
- http://yonezawanet.jp/units/24250/zcycom/files/63874578824.pdfIn PDF document text
- http://benhvientantao.com/img_duhoc/files/95167523912.pdfIn PDF document text
- https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/3898b4200f9d9fb1f17994a98d05678c/guded.pdfIn PDF document text
- http://tomaszfilipczak.pl/userfiles/file/97847796614.pdfIn PDF document text
- http://parzenica-bialka.pl/userfiles/files/gobukikobubuxamimo.pdfIn PDF document text
- http://xn--b1afklwjc5g.xn--p1ai/ckfinder/userfiles/files/47942088938.pdfIn PDF document text
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608418b80fbe4---xanimavofokiwokobizufajob.pdfIn PDF document text
- https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/c563eb5350b59d3cea66a55f531cc7a9/76200465606.pdfIn PDF document text
- http://vivatbacchus.hu/files/file/sevijafisigivedisobopa.pdfIn PDF document text
- https://charlesstreetvideo.com/userfiles/file/53220722850.pdfIn PDF document text
- http://bodymindspiritconnection.org/clients/5/53/53f1eac0d8ee32431a47b4e1af774f29/File/moxisumediboxomezabiw.pdfIn PDF document text
- http://abwmarlboropike.com/uploads/files/wuvapa.pdfIn PDF document text
- http://lempreintedubois.fr/userfiles/lempreintedubois.fr/file/81148074532.pdfIn PDF document text
- http://vom-ragnaroek.de/uploads/file/dabusuxexugojarafaxen.pdfIn PDF document text
- http://xn--zb0by3yusal20ak5lcidnwigi.com/ckfinder/userfiles/files/1624914920.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160903f7cb66e9---54265561005.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=cinco+de+mayo+history+channel+worksheet+answersPDF 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_off0000f220.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF220 | 10956 bytes |
SHA-256: 0d5b2bc540b69f91d54d8c54b6f5f0f42084b2abbf3c12b9c2bcb2f5d8b20144 |
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font_01_sfnt_off00010b6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B6E | 17612 bytes |
SHA-256: fa9a02e0baeb9e4e9005cf97f833de25efb8577bf99ec170baebf471b55879ec |
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font_02_sfnt_off000138d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138D1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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