MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm pointing to numerous compromised WordPress sites hosting other PDF files. This behavior, combined with ClamAV detection as 'Pdf.Phishing.Trojan', strongly suggests a phishing or malware distribution scheme. The ML classifier also flagged the PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.7217
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://seataclightingalaska.com/wp-content/plugins/super-forms/uploads/php/files/23819ea03efe19c7caf7837ac25c1e30/1849185331.pdf In PDF document text
- http://shsclassof1970.org/clients/872719/File/zefazamaro.pdfIn PDF document text
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b29bba5dd4---87283732301.pdfIn PDF document text
- http://euro-ex.net/images/blog//file/65585169599.pdfIn PDF document text
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/86f2f0c54244ab79d0ea542601ad247a/57062226729.pdfIn PDF document text
- https://kochitaxirental.com/ckfinder/userfiles/files/majoxagaxosilanovexazos.pdfIn PDF document text
- https://aedwea.com/upload/foto/41118436964.pdfIn PDF document text
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/160882e0335140---nipevegowos.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610842a255c95---32544970131.pdfIn PDF document text
- http://heizler.hu/files/file/xuxoboduvi.pdfIn PDF document text
- http://fine-cottage.ru/userfiles/file/62393418356.pdfIn PDF document text
- https://digitaluzaktanegitim.com/calisma2/files/uploads/27050854336.pdfIn PDF document text
- https://dentalrud.com/userfiles/file/turodarenafonalanum.pdfIn PDF document text
- http://enslev-anlaegsservice.dk/userfiles/file/rupedileridu.pdfIn PDF document text
- https://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/16ff5a6799dfb81e674e04014634bcd2/39925809257.pdfIn PDF document text
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/277374726d2a74f7edde247cebcf931b/faloxevavubuvimirefazexo.pdfIn PDF document text
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079b283ef1ff---limepipefinowewepupolo.pdfIn PDF document text
- https://clubkdo.fr/img/pics/files/sefali.pdfIn PDF document text
- http://kassa.pl/userfiles/file/robatuj.pdfIn PDF document text
- http://linuxnewyork.com/draft/media//42065632270.pdfIn PDF document text
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/ac38f413a765db8367dfb25f07ae9bbb/98289857634.pdfIn PDF document text
- http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607c81b75a1e5---fowap.pdfIn PDF document text
- http://historico.uts.edu.co/portal/app/ckfinder/userfiles/files/39501108069.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d23a6810e02---wuzejikekififewifipize.pdfIn PDF document text
- http://sarljarry.fr/userfiles/file/dixolupopovazul.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=savage+worlds+rpg+pdfPDF 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_off0000ed4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED4E | 10604 bytes |
SHA-256: 8850be103c0ac74c3a4c09c929348a1549d87dbee62761f1fba22f7a3df7c25d |
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font_01_sfnt_off0001057c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1057C | 17328 bytes |
SHA-256: d683f9ab3dbd3cc7d8d5e6c1b2d362443f49068520415d6f5ec959f6df292eee |
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