MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous links to external PDFs hosted on various domains, some of which are identified as compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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 http://aitrans.cn/UploadFile/file/F1202106171008551486.pdf
- https://dacinsara.ro/fckfiles/file/47606633320.pdf
- http://beloit1962.com/clients/8/83/8368a4f838dea3176655029ae9e337da/File/pumijotobijilufa.pdf
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16089f0f20dad9---xajakibavelilufur.pdf
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/7ltoib5i0bi08s5m8o5jq37frc/25250616199.pdf
- https://xlspandoek.nl/userfiles/file/momow.pdf
- https://alquimia.in/admin/fckeditor/editorfile/fizofuz.pdf
- http://creativeindustries.ru/uploads/userfiles/file/32474532445.pdf
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/2ebc15210b4ff39f8eeebde039465a63/55182323956.pdf
- http://poorclarescork.ie/images/zagerimu.pdf
- https://securityguardsupply.org/php/uploads/file/mopumiwek.pdf
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607128df6c47b---39073938215.pdf
- http://netinflux.net/userfiles/file/kupawiraguvuve.pdf
- http://heureka-cz.eu/files/mubonukezetenozabivet.pdf
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/7gjiondmvp6jdqlir92t9uevu2/19570320581.pdf
- http://tasteofruraleurope.eu/upload/File/23408976560.pdf
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba3eb15f12---48193270205.pdf
- https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/1e375a105c00064dc2989698d6fef77a/33997022601.pdf
- http://greece-ex.com/images/blog//file/vexefewizaxow.pdf
- https://syteq-pro.com/userfiles/file/fedawuruzikezubefema.pdf
- http://highlandlynxotic.com/clients/7/73/73cf6ae24f8ea70eb1cbac1dff6b0f9e/File/90346104015.pdf
- http://cephedanismani.com/images/pages/file/46110574073.pdf
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608a7337b6567---pigizekobefutedufupagena.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=sonu+nigam+mp3+song+download+320kbps
- 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_off00011fd3.bind6619c83c4d9ad03de014d7545e47a5d2a6c1548bdeae0b3d89d8a7928234cb5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FD3 | 17568 bytes |
font_01_sfnt_off00014cd1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14CD1 | 16792 bytes |
font_02_sfnt_off000164e8.bina13467c5435b5c5fd05475c6f382a8aafaa7d72f129620863d2ddc8d62bbe269 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x164E8 | 11312 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.