MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple links to compromised WordPress sites, suggesting a phishing or credential harvesting attempt. The presence of a fake CAPTCHA heuristic indicates a social engineering tactic to coerce user interaction. The ML classifier and ClamAV detection strongly support its malicious nature, likely as a downloader or redirector to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
-
ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
-
Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHADocument displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
-
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.
-
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.
-
External URI info PDF_URIPDF contains an external URL action
-
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.
-
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://synerhu.ru/uplcv?utm_term=naruto+storm+4+apk+download PDF link annotation
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096f824ec277---vizafodubafokesadir.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c3caf829ff---razalilotab.pdfIn PDF document text
- http://shreejians.com/userfiles/file/37202096280.pdfIn PDF document text
- http://darec.sk/files/files/barinako.pdfIn PDF document text
- http://zabradli-znerezu.cz/userfiles/file/kajojewufezotaron.pdfIn PDF document text
- https://www.varisistanbul.com/wp-content/plugins/formcraft/file-upload/server/content/files/160772ea0f2599---gugaxarajik.pdfIn PDF document text
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/ddd732f5e551dc26385f88aac9043903/vesobukivafajominimiz.pdfIn PDF document text
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607e25a4c47ab---17859637490.pdfIn PDF document text
- http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/1609d9bb19f1c0---10342008738.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a455c7c9f57---xidoponivodu.pdfIn PDF document text
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/hqa5chbd75iqkj67h4shd7p4pk/bigudamugoloxeveka.pdfIn PDF document text
- https://kodcomputers.ro/2664/uploads/6632562213.pdfIn PDF document text
- http://apexibd.com/uploads/fck_uploads/file/28584881132.pdfIn PDF document text
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cef25b4640---94656644591.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607f178663a93---35767608552.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000df4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF4F | 5032 bytes |
SHA-256: cefde9f3ed9f81c34166dbcb2ff837776549845d8993fb15eca580f8ad6981d2 |
|||
font_01_sfnt_off0000f068.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF068 | 10508 bytes |
SHA-256: ebd2f9f4bd26beb6c495e1a1432ccbaaa95c36ab551d61e065a1337146e5dbf7 |
|||
font_02_sfnt_off00011437.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11437 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.