MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains a link farm with numerous URLs hosted on disposable or compromised domains, suggesting an attempt to redirect users to malicious content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://xn--54-dlcdkamdj4btild5b.xn--p1ai/ckfinder/userfiles/files/25640231009.pdf In PDF document text
- http://jhdjt.com/images/upload/File/76756677392.pdfIn PDF document text
- http://medicamarsala.it/userfiles/files/zuvezuxune.pdfIn PDF document text
- http://abwjefferson.com/uploads/files/2936251365.pdfIn PDF document text
- https://aurorabersinar2.com/contents/files/66008620311.pdfIn PDF document text
- http://amandamaitland.com/images/file/17240425633.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/eletrarbp3tuhbkurledmltpqr/dokonapivarawisitaxupevu.pdfIn PDF document text
- http://lasfyy.com/uploadfile/file/20210905095836288.pdfIn PDF document text
- http://dayuntang.com/assets/uploads/ckedit/files/20210907172336.pdfIn PDF document text
- https://bazab.ru/ckfinder/userfiles/files/zameda.pdfIn PDF document text
- http://khonggianmang.com/upload/files/66161340517.pdfIn PDF document text
- http://resheto.ru/users_images/fck/file/58953829810.pdfIn PDF document text
- https://eijo.in/ckfinder/userfiles/files/39340445416.pdfIn PDF document text
- https://dalilak1.com/userfiles/file/51233667707.pdfIn PDF document text
- https://www.alugutader.fr/ckfinder/userfiles/files/2622364363.pdfIn PDF document text
- http://eis-pieschel.de/UserFiles/File/81492216666.pdfIn PDF document text
- http://texmet.pl/userimages/file/rewedefo.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613188175526b---71546650607.pdfIn PDF document text
- http://33podarka.ru/pictures/files/66817951295.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613013dda7f8f---48255596580.pdfIn PDF document text
- http://skybuildinfraprojects.com/uploads/ketawofizo.pdfIn PDF document text
- https://chetanaus.org/bheru/uploadfiles/file/93300287156.pdfIn PDF document text
- https://unitedfightalliance.com/ckfinder/userfiles/files/67189617232.pdfIn PDF document text
- http://fresh-j.info/images/uploadedimages/file/292338895.pdfIn PDF document text
- http://mecateengenharia.com.br/ckfinder/userfiles/files/gujunadowozu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=weight+loss+foods+in+tamil+pdfPDF 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_off0000b8c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8C7 | 15816 bytes |
SHA-256: 512c4518c012729dd275d73b0463ca9efdc41500e7423fb0bd181295b41ffaf5 |
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font_01_sfnt_off0000e0fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0FC | 10836 bytes |
SHA-256: aa6ddfbe2c180a6545b9ab8b1c7202ac7e9c6ff576c7e54b3dd30c044401621c |
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font_02_sfnt_off0000f99a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF99A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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