MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs likely serve to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16121b0bdd9e71---38845562356.pdf In PDF document text
- http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608439deda1a9---98718815600.pdfIn PDF document text
- https://romalasergroup.com/userfiles/files/68004637803.pdfIn PDF document text
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/b253754f5153f689df593f090bd8f56f/pixavula.pdfIn PDF document text
- https://samsungklimalar.com/upload/ckfinder/files/16914529394.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a2125e50d34---98961317001.pdfIn PDF document text
- https://dmitrovka-zn.ru/admin/ckfinder/userfiles/files/878166713.pdfIn PDF document text
- https://wintechindia.in/ckfinder/userfiles/files/katamapim.pdfIn PDF document text
- http://noithatlekhanh.com/Images_upload/files/49785913835.pdfIn PDF document text
- http://1night2day.com/UserFiles/file/lomurefosupowezirabomeko.pdfIn PDF document text
- http://www.gabrielamaciel.net/images/content/file/43975905874.pdfIn PDF document text
- http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/fomebenalugavaw.pdfIn PDF document text
- http://dolinakrzeptowa.pl/public/upload/ckfinder//userfiles/files/38649688143.pdfIn PDF document text
- https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/13e64eb1ed6071c4a9999c5a1e118299/kerinifivabifetawir.pdfIn PDF document text
- http://goozzl.com/userfiles/files/xobepobavobopeb.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c12ab17d511---ferawedono.pdfIn PDF document text
- http://nrnchina.com/test/images/ckfinder/files/22402966016.pdfIn PDF document text
- https://ptkas.com/kingkong/userfiles/files/19306990031.pdfIn PDF document text
- http://rauvuonsach.com/images/uploads/files/silibesazowaludat.pdfIn PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2c464dfe6---935405555.pdfIn PDF document text
- http://www.darvidproperty.com/news/file/42729341679.pdfIn PDF document text
- http://synergytaekwondo.com/click2buy_newp/userfiles/file/93633049012.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16098848dd4418---40272502229.pdfIn PDF document text
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/3a91ae2aca77cb9bbebfc378b9ef6350/vaporelakewi.pdfIn PDF document text
- http://stroi-sistema.ru/img/zutatipajotamumoxomik.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=o+poder+das+ervas+medicinais+pdfPDF 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_off0000df94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF94 | 10728 bytes |
SHA-256: e70d51261065ec235a3f0c0c1fc242909d05d49bafe8c7a6244d186e154344ff |
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font_01_sfnt_off0000f839.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF839 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001104b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1104B | 20268 bytes |
SHA-256: 4d1c5aab7a7479964f1e385e752dd9657d638424d967c42621da021d865132fc |
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