MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories and disposable hosting domains, indicating a link farm designed to redirect users to potentially malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9834
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/0fcebfda1756a6686a337cfed43952e7/zonelominomosinedar.pdf In PDF document text
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/oeompniev8taa8tubrb7hdb5hl/vibapalezojimuretapesinu.pdfIn PDF document text
- http://celcg.pl/uploaded/file/lepufugekedivukugukubupa.pdfIn PDF document text
- http://uspeh-kursk.ru/ckfinder/userfiles/files/wekazu.pdfIn PDF document text
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/1lgupk6ffgpr7gnqorvn2fqqo7/71725157942.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a623a7f087c---55414966493.pdfIn PDF document text
- https://cvsc.co/userfiles/file/topewuwul.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/1607f76096c652---panasavotevevozuno.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/4kd6ku111rq6l04uiv0onuu27o/busipudufu.pdfIn PDF document text
- http://princeworldwide.com/multimedia/userfiles/file/vakepi.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076f63fb730a---5144218550.pdfIn PDF document text
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/uqq43fmrjcmimjaajsjkkjee34/gokitakusederu.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/sjqkd4ouduoksom68ok8c6lt6p/komexopogofoviwuga.pdfIn PDF document text
- http://charivne.info/images/file/pokatawefaxatomok.pdfIn PDF document text
- http://ylplj.com/ckfinder/userfiles/files/zajazawarawojazegemutile.pdfIn PDF document text
- http://acecaalcoy.com/userfiles/file/80856716482.pdfIn PDF document text
- http://creativetechno.in/userfiles/file/49622801336.pdfIn PDF document text
- http://www.masozilina.sk/ckfinder/userfiles/files/segureb.pdfIn PDF document text
- https://b2cexpressdemo.com/userfiles/file/sinuta.pdfIn PDF document text
- http://cokhiminhhien.com/media/ftp/file/98412581265.pdfIn PDF document text
- https://nolimitscenter.be/peausitive/images/FCKeditor/file/dukiliwusukomobasepij.pdfIn PDF document text
- https://kvkumariajnkvv.org/singhania/downloads/file/wobeduw.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607966cc45ed2---gibarigalebumolajix.pdfIn PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607c4d366beed---lawitekuxepisabazigebafez.pdfIn PDF document text
- http://energy-labels.com/userfiles/file/5670322004.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/59a44836ff30522bc006a1d11e6e87cc/75635477316.pdfIn PDF document text
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b79b20b1c2---51738071299.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=red+dawn+1984+streamingPDF 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_off0000e339.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE339 | 17756 bytes |
SHA-256: f3be99b54f4087793dfe118e4f542233e8c9109f3adcd75cdb086ef3f3233beb |
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font_01_sfnt_off000111a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111A6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000129bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129BD | 11064 bytes |
SHA-256: 63cc9a78162e1c3a149f3bb21629d40101f70f1c207dd60f0f5e245c090ffa4f |
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