MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs that form a link farm, a common technique for phishing or distributing malware. Several heuristics indicate the presence of a link farm, with some links pointing to compromised WordPress sites. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 6
-
ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
-
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://krisoc.ru/uplcv?utm_term=best+android+apps+for+coding PDF link annotation
- http://td-mg.ru/uploads/files/97155539236.pdfIn PDF document text
- http://casaperferiesantamariagoretti.com/writable/public/userfiles/file/mopurijo.pdfIn PDF document text
- http://mariondhuique-mayer.com/data/file/88492173531.pdfIn PDF document text
- https://braindevelopmentmaps-org.neurondevelopment.org/userfiles/files/woxuneganowanejobomoziwu.pdfIn PDF document text
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/rg03oav4o9bna092aqlr2p2bpg/54216436022.pdfIn PDF document text
- http://urjabatteries.in/userfiles/file/39336498027.pdfIn PDF document text
- http://montpellier-business-plan.fr/mbp/upload/images/images/upload/ckfinder/37625029775.pdfIn PDF document text
- http://owv-sad.de/userfiles/files/gatidudape.pdfIn PDF document text
- http://msslink.ru/userfiles/files/93540501913.pdfIn PDF document text
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec6e36a344---72152894006.pdfIn PDF document text
- http://geodavidepini.it/userfiles/files/risajugu.pdfIn PDF document text
- http://elma-itc.ru/!upload/files/ratodogu.pdfIn PDF document text
- https://myphi.biz/nbloom/fckuploads/file/40153535453.pdfIn PDF document text
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16131aa45ada1b---95264109767.pdfIn PDF document text
- http://distant-property.ru/fck_editor_files/files/xevepuwotowajop.pdfIn PDF document text
- http://cimkezes.hu/uploads/ckfinder/userfiles/files/kuxodumuxawibujufasurefo.pdfIn PDF document text
- https://jcmimoveis.com/userfiles/file/zolika.pdfIn PDF document text
- http://dieutrimun.myphamkangnam.vn/webroot/img/files/64869029575.pdfIn PDF document text
- http://vaithun.net/upload/files/wurijurizatesamonuririwe.pdfIn PDF document text
- https://lotteppta.net/beta/assets/file/75496284176.pdfIn PDF document text
- http://sciattella.net/images/file/danudijij.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/4d3f9da395ee96a72ffdbb9b56516922/1181796424.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_off0000ece1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECE1 | 17372 bytes |
SHA-256: 52158855c63de96627f9e0842c371fa570647b293fbf89c4acbc47d1ee771eb6 |
|||
font_01_sfnt_off00011993.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11993 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
|||
font_02_sfnt_off000131aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131AA | 10804 bytes |
SHA-256: 7ba18f0358a08c0be17cdf4327277e1dd79e40baf53e9523ac86555ad8e1eb0b |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.