MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for Pdf.Phishing.Trojan. The presence of numerous links pointing to compromised CMS upload directories and disposable hosting suggests a link farm designed to redirect users. The ML classifier also strongly indicated maliciousness. The file likely serves as a lure to direct users to phishing sites or download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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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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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://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/6724d05ee1ec3848f246bef9f52c6211/32944292922.pdf In PDF document text
- https://kozhikodedeaf.org/admin/my_files/file/52773849113.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a0ecb73cde1---xupuduroti.pdfIn PDF document text
- http://jysfh.com/upload_fck/file/2021-8-12/20210812040504505231.pdfIn PDF document text
- https://triangle-electronics.com/assets/userfiles/file/dutorimono.pdfIn PDF document text
- https://at1-turbo-j3t.com/contents/files/74722791479.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094021190aaf---87405477302.pdfIn PDF document text
- http://lambanghieuquangcaogiare.net/vietkiendo/upload/file/33048579539.pdfIn PDF document text
- https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/fd9ddiluvl2ad2rgbtmj1hupro/44450974007.pdfIn PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c53ebf5286a---gudafem.pdfIn PDF document text
- http://csptech.net/admin/userfiles/file/30551648376.pdfIn PDF document text
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/tnt729iivqt7cibo866doi4prm/xefujite.pdfIn PDF document text
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/3rodiid7q7bn8jd68b50eps5h3/55248311824.pdfIn PDF document text
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/c91882629cfcd7424b280b71d0c2ee9d/pofifurivasidat.pdfIn PDF document text
- http://vuadiemtayninh.com/hinhanh_fckeditor/file/5155782558.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606c972f72b10---20927087737.pdfIn PDF document text
- http://jmestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bafumorosexifiwi.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16079cd1312b24---wipamakonimovozupebopezog.pdfIn PDF document text
- http://faradtvandor.hu/picture/userfiles/file/31650533786.pdfIn PDF document text
- http://phukientubepxinh.info/gomsu/sanpham/anh/files/gepubafujo.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160f0db750bb9a---pudegu.pdfIn PDF document text
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/16098390de04a5---logexosobevonanarowogafo.pdfIn PDF document text
- https://fitness-sport.it/userfiles/file/71211010105.pdfIn PDF document text
- http://etre-belle.su/images/file/mufetilewoxaxa.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=non+phonetic+words+worksheetsPDF 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_off0000fe71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE71 | 10560 bytes |
SHA-256: 9545d60c18cf0b8b4d00d9d905072420415a77cfdf3eb97abdf4ff0a1b96484e |
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font_01_sfnt_off00011689.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11689 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012e9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E9B | 21032 bytes |
SHA-256: f2ef7427061133c99b367a9d3da1a6bc5d65b0927bf215aed5005c12a3146210 |
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