MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ClamAV and an ML classifier, with heuristics indicating it functions as a link farm. Numerous URLs point to compromised websites, often within WordPress upload directories, suggesting a distribution point for malicious content. The PDF's structure and the nature of the linked sites strongly indicate a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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 https://nomylo.ru/uplcv?utm_term=coulombic+attraction+pogil+answer+key+pdf PDF link annotation
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160de96ce2072a---boxofeweximir.pdfIn PDF document text
- https://mt-creativestudio.com/ckfinder/userfiles/files/20967646197.pdfIn PDF document text
- https://piphoto.tw/uploads//files/202108061305442035.pdfIn PDF document text
- http://gospel-pour-100-voix.com/fichiers/newsletter/file/79356615691.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/tugotafimidovesogox.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/jrbjnvkn866en90bl8m6mcugj1/4885386644.pdfIn PDF document text
- http://fullcolorspandoeken.nl/userfiles/file/nejape.pdfIn PDF document text
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079ba42ef415---jerakeriraxirabuf.pdfIn PDF document text
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b4bc10adf45---pulamukowedebilib.pdfIn PDF document text
- http://www.kotolantopeni.cz/files/fapafovobiduzo.pdfIn PDF document text
- http://appletechsolutions.com/userfiles/file/jovotufopujejafifanel.pdfIn PDF document text
- http://csc-0411.com/userfiles/file/20210816132801_jy0fuy.pdfIn PDF document text
- https://law.com.sg/wp-content/plugins/super-forms/uploads/php/files/45f82f7e764923f4d91cd38316461e84/12338242934.pdfIn PDF document text
- https://pearproperties.in/userfiles/file/90369861781.pdfIn PDF document text
- http://mini-garden.ru/userfiles/file/96490776678.pdfIn PDF document text
- https://cancelaria.pl/galeria/file/rukurim.pdfIn PDF document text
- https://nabsangram.com/userfiles/file/24145805896.pdfIn PDF document text
- https://powermailer.in/userfiles/file/74523735404.pdfIn PDF document text
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078e379855dc---laboxosakokit.pdfIn PDF document text
- https://amerismithenterprises.com/wp-content/plugins/super-forms/uploads/php/files/b98384c601294ad9eaaee1d3175a51df/sivuxojafenuxobebapibug.pdfIn PDF document text
- https://maximatrimony.com/ckfinder/userfiles/files/84554743483.pdfIn PDF document text
- http://dansungsala.com/uploads/files/9158602904.pdfIn PDF document text
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/bnjhro924m4hk47irduojl5koj/40911857806.pdfIn PDF document text
- http://phuocthuan.vn/images/pic/file/95777296622.pdfIn PDF document text
- http://cc-loges.com/uploads/file/79880287160.pdfIn PDF document text
- 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_off0000c9a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9A7 | 11524 bytes |
SHA-256: e34762006eade969a713404e01cac0aeec745380aabf41865724717657cac323 |
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font_01_sfnt_off0000e4a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4A2 | 15504 bytes |
SHA-256: bf608a0897015f500227c27285e25a4741e7a6d3b65b0c63a50ed1df6bb1042e |
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font_02_sfnt_off00010c6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C6A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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