MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to potentially compromised WordPress upload directories. These links likely serve to distribute further malicious content or redirect users to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/161074e636082b---warazamuzixetusofima.pdf In PDF document text
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/160b38a78d9d23---65776481135.pdfIn PDF document text
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/75ibt553i86akj0r02m9nsc20r/kizilowugivuzogivewifi.pdfIn PDF document text
- https://pjkconstruction.ca/images/file/58504606745.pdfIn PDF document text
- http://studiostocchi.eu/userfiles/files/31415284277.pdfIn PDF document text
- http://blessedfamilycovenant.org/clients/c/cb/cb727bc273eb4203dc66fb73741ae5ae/File/lusisawaxufopufixake.pdfIn PDF document text
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16083a4b4acaec---61365506468.pdfIn PDF document text
- http://turskazka.ru/ckfinder/userfiles/files/94695403111.pdfIn PDF document text
- https://purefeeling8.com/data/file/sepidakezoja.pdfIn PDF document text
- http://trungtinjsc.vn/upload/FCK/file/belozuwagisoti.pdfIn PDF document text
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/457a48b2e6699b7d2d388e2a3dc5388e/jojizokuvigejegawomin.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1609b8f20f05f4---jibixesa.pdfIn PDF document text
- http://cascinamana.it/userfiles/file/48140074198.pdfIn PDF document text
- http://drxzhang.com/userfiles/file/zukoforabubuzubixamerer.pdfIn PDF document text
- http://kimwendelldesign.com/ckfinder/userfiles/files/37708120236.pdfIn PDF document text
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/97a6b5bc6b42431689395294bdc07149/saxexivasemidimod.pdfIn PDF document text
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/abf0f2ba1b830bd1720e8a37ef8adaf3/79847853994.pdfIn PDF document text
- https://museos.comarcadelasierradealbarracin.es/ckfinder/userfiles/files/74763420857.pdfIn PDF document text
- http://www.advokat.com/app/webroot/img/fck/file/rewadunirigotovulegosifor.pdfIn PDF document text
- https://deltarealestate-eg.com/userfiles/file/58430124019.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16070f508c4f03---23750921423.pdfIn PDF document text
- http://sushi-belovo.ru/files/41501427304.pdfIn PDF document text
- https://landbar.com/upload/files/takutukomuxepu.pdfIn PDF document text
- http://shsclassof1970.org/clients/872719/File/roroluxopone.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=chhota+bheem+aur+krishna+versus+kirmada+full+moviesPDF 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_off0000bc81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC81 | 15316 bytes |
SHA-256: 80bfdce77e98ddaf344fe6e749ecf6dd02b45f77f4ba99c639c55935c40803be |
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font_01_sfnt_off0000e3cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3CF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fbe6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBE6 | 11048 bytes |
SHA-256: 3d2e35572f49a6d6e6cca7e95f2267b392bcf41eabd6b034de87ba35efd7bf5f |
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