MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains multiple heuristics related to PDF link farms pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs, such as the one hosted on 'arenda1s.ru', are likely part of this redirection chain.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/b01f6db956178fec1bc845ac6970d24b/66215356317.pdf
- http://wronba.com/uploads/wysiwyg/file/fefobep.pdf
- http://allmedicus.com/userfiles/file/widelevalo.pdf
- http://avsa.org/sites/default/files/images/files/nasefixafop.pdf
- http://myconnect-thailand.com/image/upload/File/nadelizejebigatej.pdf
- http://ebslang.net/_UploadFile/Images/file/nukepi.pdf
- https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/cu880otcg9jnlq2u5t2d8npv1r/nigewebidorosolowoxesof.pdf
- https://doublehair.center/upload/ckfinder/files/13693834350.pdf
- http://apexibd.com/uploads/fck_uploads/file/jabekimelokuxemo.pdf
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/5bb03d57ee53020242d6d7d4d35b5f3f/40320495142.pdf
- https://hpsoft.shop/upload/files/14568609908.pdf
- http://www.gonouvellezelande.com/files/tobokuzozibavuxenorunajif.pdf
- https://apizf.org/public/file/morapiwajepeziparise.pdf
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/9b6b85810172c744c25aa96553415bac/51314623200.pdf
- https://yuktogel.com/contents//files/jovuzakukanot.pdf
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/5c6b660836b90c66d22adf12a520d918/povolabapulesudi.pdf
- https://akproauto.com/nbloom/fckuploads/file/gigefiwomesabo.pdf
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/cb9d92c0494fc14f2d7f4cd20014f63b/jibobuxovotoxavikexidit.pdf
- https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/iq3ep2tq11mauui5ljrjnati62/merasik.pdf
- http://notarbrazda.cz/userfiles/file/pabosop.pdf
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/pmpb99pps38arg0ngm95h6suqr/tenanudilulosazu.pdf
- http://bilmatbasim.com/userfiles/file/43848319442.pdf
- https://elearning-chemistry.ro/userfiles/file/pigujeve.pdf
- https://flyags.com/editorResources/file///lozixanamu.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=transfer+of+funds+from+nro+to+nre+account
- 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_off0000e00a.bin3d25ae7ded8e9054d37197cf50094ab6da4aa0a32ec9e617e45e79860e7e0a8a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE00A | 10560 bytes |
font_01_sfnt_off0000f822.bin6ba6a336a6a3f3e51164b5f4eef11870fb23b4eb5becd6b035aa5d30116a6dfd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF822 | 17244 bytes |
font_02_sfnt_off00012503.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12503 | 16792 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.