MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress sites and are structured as a link farm. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, suggesting it's not intended for direct user reading but rather as a container for malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://studio-rivetti.it/userfiles/files/255025561.pdf In PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139a8127ea2a---78294342035.pdfIn PDF document text
- https://doublehaircenter.com/upload/ckfinder/files/92362084237.pdfIn PDF document text
- https://ndmoyun.com/calisma2/files/uploads/xobowefogevizulujibejema.pdfIn PDF document text
- http://ydtmuhendislik.com/ckfinder/userfiles/files/17520634216.pdfIn PDF document text
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613ee7fed4152---palerojobonanazodisixu.pdfIn PDF document text
- http://hanleyresources.com/images/seragexegodob.pdfIn PDF document text
- https://bwawarszawa.pl/upload/file/dipumazaj.pdfIn PDF document text
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/ccd82c6542c51418f8300996ffa88328/kuzudirilarapuwo.pdfIn PDF document text
- https://birutelorasin.com/contents/files/salufudefovapepagunututim.pdfIn PDF document text
- https://andymullinscommercial.com/home/andy/public_html/ckfinder/userfiles/files/43047564368.pdfIn PDF document text
- http://zhihepvb.com/upload/ckimg/files/202109121145489489.pdfIn PDF document text
- http://architettipassarinmarzotto.com/userfiles/files/65509903419.pdfIn PDF document text
- https://pamukoglu.com/userfiles/file/vazilorixo.pdfIn PDF document text
- http://hasicimosnov.cz/foto/Image/file/27814304896.pdfIn PDF document text
- http://karpatskiles.ru/store/files/vejupizobakotisozab.pdfIn PDF document text
- https://vandolderskb.com/images/usr/tosujemimo.pdfIn PDF document text
- https://la-klamm.org/Files/files/munapajupedelojaresivol.pdfIn PDF document text
- http://safeabortionnepal.com/userfiles/file/61937646528.pdfIn PDF document text
- http://seibyou-koujien.com/files/files/guzorapepav.pdfIn PDF document text
- http://claudiamelchior.it/images/file/77324964361.pdfIn PDF document text
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/3d23d157a629d4fe779b17287e4e1145/tugokofadabaket.pdfIn PDF document text
- http://thrifthelp.com/flash/thrifthelp.com/file/bovobaj.pdfIn PDF document text
- http://tootingtaxi.com/survey/userfiles/files/64972181483.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=letters+that+start+with+o+to+describe+someonePDF link annotation
- 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_off0000e737.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE737 | 10772 bytes |
SHA-256: 9880b41f0abb44704dab25fe8580127b1eed813e80a927c2b984d59c676184c1 |
|||
font_01_sfnt_off0000ffe3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFE3 | 18568 bytes |
SHA-256: bf89fd585796b31e0ae12247940879fcceced967e1131ee991dd1c9cc8e762b4 |
|||
font_02_sfnt_off00012f7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F7E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.