MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to exploit vulnerabilities or redirect users. Multiple heuristics indicate the PDF acts as a link farm, pointing to compromised CMS upload directories and disposable hosting, suggesting an attempt to obscure the final malicious destination. ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent, likely involving phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.6232
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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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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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://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/b0c2f196e6c1dd58dc3dbb24b586d0f8/86749250373.pdf In PDF document text
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/b1635b4f0726beb1a9be867fa5d23db8/komux.pdfIn PDF document text
- https://asiabiru.com/contents//files/bowusejumakawiwupadexutu.pdfIn PDF document text
- http://msdoubrava.cz/foto/images/file/62971462940.pdfIn PDF document text
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf1563269db---77402190460.pdfIn PDF document text
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092c822b6898---bosikune.pdfIn PDF document text
- https://soyana.de/js/ckfinder/userfiles/files/manubawotot.pdfIn PDF document text
- https://tenfci.org/userfiles/file/nurobipelilu.pdfIn PDF document text
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/tg0l3j0e95mhe7kjfoks86o3li/ratimolo.pdfIn PDF document text
- http://xinyuemu.net/assets/202107/files/20210728150918197818.pdfIn PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9279e18bdf---xuluzurek.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/161110d4313cff---lukalib.pdfIn PDF document text
- http://robalton.es/Albums/images/file///83124276524.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16093faa2ea61f---17551424070.pdfIn PDF document text
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/40d6df92fdff2d109029519d9dfac593/19035801079.pdfIn PDF document text
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/4ae93fa61b2fe9bdd44aa7a82406d20b/pefiposulotowilesog.pdfIn PDF document text
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/5095c1e2ae78ad62c2fa12626430d640/9609289627.pdfIn PDF document text
- https://anmoul.com/userfiles/file/14309148418.pdfIn PDF document text
- https://piphoto.tw/uploads/files/202108192155461784.pdfIn PDF document text
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/bn0f79sr6smtrqrp4o51kkaet1/kixisada.pdfIn PDF document text
- https://anmoul.com/userfiles/file/7637170551.pdfIn PDF document text
- http://language-coach.pl/uploads/files/narinovo.pdfIn PDF document text
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/n1j7rhcpsm5m2037ate6mdn1t6/33731679627.pdfIn PDF document text
- https://alllegaltask.com/wp-content/plugins/super-forms/uploads/php/files/qlkc695ebrlt5b7ififr3ng1vs/dawejofe.pdfIn PDF document text
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ddf18d47808---lobilawusok.pdfIn PDF document text
- http://digimaap.com/wp-content/plugins/super-forms/uploads/php/files/3tf0a72ush9p0h6ocp1580f1mm/modedukabonabulozetupate.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=multiple+foci+meaningPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f4be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4BE | 20768 bytes |
SHA-256: 132595932b5b912e171746daebcd6b60b544815e3d36214f1806ccc52d7395cf |
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