MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous links pointing to various websites, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a link farm strategy, and the presence of 'utm_term' parameters suggests a phishing or SEO manipulation attempt. ClamAV detection as 'Pdf.Phishing.Trojan' further supports the malicious intent, likely to redirect users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
-
ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
-
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://queure.ru/uplcv?utm_term=epstein+barr+flare+up+treatment
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/7f8s0k6qum0lhpc6kalhtnkjs4/rumufezukuvegikagono.pdf
- https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16084720b17f9f---nikup.pdf
- http://ajtoablakcentrum.com/_user/file/73946975140.pdf
- http://unipsyclinic.com/userfiles/file/20210528105955.pdf
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bfe65300899---jerixafitawepoturom.pdf
- http://drapa-technika.cz/UserFiles/File/gotudonafi.pdf
- http://akgikorea.com/file_upload/fck_upfile/file/82462187981.pdf
- http://akinmedikal.com/uploads/file/disezezebeziwibedusajo.pdf
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/066657a3a7548e71880bead8fb835c38/86775641762.pdf
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16080452619990---3360214906.pdf
- http://ahchala.com/img/file/judemuvufimorijuzeguvid.pdf
- https://supermagnum-bg.com/userfiles/file/50696332533.pdf
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608681d403303---83424496267.pdf
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160aa3bf0c408e---zupigiwizogozekarorup.pdf
- https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/4ca85848d4f2e09ac14846dbca25a111/wujoteta.pdf
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/rk34cf2uqbnunq1jscj56bvvu7/13792450936.pdf
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ee00eaa91b---7949813821.pdf
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7fb60f255f---vipaw.pdf
- http://hakkabrothers.com/userfiles/file///dejikozemaker.pdf
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160781f11e658b---79495224297.pdf
- https://travelinnsuites.com/nbloom/fckuploads/file/72348754043.pdf
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a07f3b05282---62099657551.pdf
- http://s-privod.ru/userfiles/file/wonomojekenurekesene.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00014923.bin8e9134d1009050e589b3dd12b3e16a7c8f78a551ad20083e081b9335246ca56b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14923 | 18144 bytes |
font_01_sfnt_off000178d6.bin4a45b9341a63e19a7305ee836c3f9c2039d2f29d9ac5222b0f7e0146b43b55d5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x178D6 | 10624 bytes |
font_02_sfnt_off000190e8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x190E8 | 16792 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.