MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was flagged by ClamAV as a phishing trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and link farm heuristics strongly indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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.
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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.
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External URI info PDF_URIPDF contains an external URL action
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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.
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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://bertrandetgastineaudesigners.fr/userfiles/file/xupojerovorawaf.pdf In PDF document text
- http://hagelkonzept.de/userfiles/file/penexevesej.pdfIn PDF document text
- http://henghuitong.com/jingkelun/userfiles/files/20210918035122.pdfIn PDF document text
- http://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/161305ce7db23c---xopevamitagivew.pdfIn PDF document text
- https://agriplan-rs.com/dados/ckfinder/files/wavixopadoxebira.pdfIn PDF document text
- https://ahreco.com/uploads/news_file/78667158477.pdfIn PDF document text
- http://www.cddfct.com/up_files/file/wuzakutadumaxe.pdfIn PDF document text
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16143e65d6457e---fufejokojizobapaverogopi.pdfIn PDF document text
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f965d8d4ac---puwaferelim.pdfIn PDF document text
- http://megamento.com/_UploadFile/Images/file/15052021336.pdfIn PDF document text
- https://solener.info/ckfinder/userfiles/files/mepopufikuvoniraxu.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613c4b5adda5a---zomafujoriv.pdfIn PDF document text
- http://backupcenters.com/userfiles/file/zomaxefi.pdfIn PDF document text
- https://phatgiaolongan.com/upload/ckupload/files/lavawajabafupiloj.pdfIn PDF document text
- http://strandedtattoo.info/file/99481072254.pdfIn PDF document text
- https://viadagio.be/userfiles/file/11742504023.pdfIn PDF document text
- http://veraschwemmle.de/fckdata/file/zowitanafiso.pdfIn PDF document text
- http://ydyb.com/filespath/files/20210921083626.pdfIn PDF document text
- http://centrons.com/uploaded/file/361513470613ec1271d447.pdfIn PDF document text
- https://realxenon.ru/uploads/files/59265936576.pdfIn PDF document text
- https://geelaboba.dswip.com/ci/userfiles/files/27350540026.pdfIn PDF document text
- http://frickcontrols.com/uploads/files/26964501172.pdfIn PDF document text
- https://anninhsieuthi.online/upload/files/77476447377.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=leo+privacy+guard+old+versionPDF 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_off000109da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109DA | 18372 bytes |
SHA-256: 8b2520fe5c800ca5fab016033bdb86783bebdd5a0a0a7c07b68465390c0d388c |
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font_01_sfnt_off00013931.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13931 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015148.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15148 | 10828 bytes |
SHA-256: e69a470823a533e387671fd375442a3027f0927aa47c8cef0c9d29fa522de5ca |
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