MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple compromised websites, some of which host further PDF files. This suggests a multi-stage attack, likely initiated via spearphishing, aiming to exploit vulnerabilities or deliver further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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 https://khanoomhoteli.com/basefile/khanoomhotelicom/files/59604625905.pdf In PDF document text
- http://koala-al.com/d/files/jogulituvaj.pdfIn PDF document text
- http://nprofit.hk/userfiles/88442218047.pdfIn PDF document text
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/161378a0cb898e---sifomosiboleti.pdfIn PDF document text
- http://studiosiciliani.eu/userfiles/files/zezoteziradukex.pdfIn PDF document text
- https://www.orthovision-lublin.pl/ckfinder/userfiles/files/96440244248.pdfIn PDF document text
- http://thevalleytrader.com/files/moxiburo.pdfIn PDF document text
- https://crbz.ru/userfiles/file/nuvufuki.pdfIn PDF document text
- https://hotararicedo.ro/files/files/nuginerobofim.pdfIn PDF document text
- http://robertoantoniz.com/resources/original/file/xilavamupunikipa.pdfIn PDF document text
- https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/161337199c441a---68092998729.pdfIn PDF document text
- http://eventologia.com/userfiles/files/zabagig.pdfIn PDF document text
- http://clinicaveterinariacene.com/userfiles/files/20937809948.pdfIn PDF document text
- http://scsytech.com/upload/files/tojabi.pdfIn PDF document text
- http://ordinate-ltd.com/file_media/file_image/file/kozib.pdfIn PDF document text
- http://bbbo.handyfriendship.com/upload/files/50664166268.pdfIn PDF document text
- https://oreopay58.com/ckfinder/userfiles/files/34637238835.pdfIn PDF document text
- http://dzirerealtors.com/uploads/32741236564.pdfIn PDF document text
- http://tofuyatogo.com/uploads/files/82322754834.pdfIn PDF document text
- http://studiomuraca.eu/userfiles/files/4469410021.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140a210e1909---funelusobonibagegikuniwa.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=adaptive+brightness+androidPDF 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_off0000af6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF6B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c77d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC77D | 15116 bytes |
SHA-256: afd02f86c6c10b84a7abf73775e75de6dd34b0be3dc1d366cb51121e1a9b9a40 |
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font_02_sfnt_off0000edec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDEC | 10812 bytes |
SHA-256: 16cec4bd3090f9dd704e3b63fb1bfde46131e6db637c67d71b13275faa810b33 |
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