MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress sites. These sites host PDF files, suggesting a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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 https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/a9d7c54d62b93c4b54cdcd08b85ce6dd/fuxum.pdf In PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3d29d0f06e---99637325204.pdfIn PDF document text
- https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/70793b1eb9622cf6c524876f03bb9849/35391187749.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/16084ddd3ec2b2---49201041252.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/ol5h2vraar90b6ncf8t20kg5fn/55824129434.pdfIn PDF document text
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/161145c0f60f25---nafubepomexisejerazejo.pdfIn PDF document text
- https://avonsteel.com/UserFiles/file/golokirixeresaxisumaj.pdfIn PDF document text
- http://enidental.com/userfiles/file/20210802013614.pdfIn PDF document text
- http://sacmacbook.net/userfiles/file/19929258910.pdfIn PDF document text
- https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/cf540e35cdd2e77b23fad50adc5ebce0/36345201991.pdfIn PDF document text
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/j2k285jufsff2ka78lq2t078so/lorukas.pdfIn PDF document text
- http://benhvienlaptop.biz/userfiles/file/33432819010.pdfIn PDF document text
- http://heatexchangersolution.com/upload_fck/file/2021-8-14/20210814171059611742.pdfIn PDF document text
- http://kovove-ploty-brany-zabradli.cz/UserFiles/File/23629601805.pdfIn PDF document text
- http://bronia.org/userfiles/file/navuronuzimapimeborolez.pdfIn PDF document text
- https://geneolock.com/ckfinder/userfiles/files/bubakajit.pdfIn PDF document text
- https://annjulieskarpmo.com/userfiles/file/11294502540.pdfIn PDF document text
- https://mudrun.com/home/mud/public_html/ckfinder/userfiles/files/gixofavupasipebizazaz.pdfIn PDF document text
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16076f02557c06---jabukuwisosad.pdfIn PDF document text
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/3d3761efc229ac66d56799aad5c8e3e4/gidutejozipiminajugekofo.pdfIn PDF document text
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1611e63d9bee70---5917961797.pdfIn PDF document text
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/0hdn6g8tgouuteclbhj3a6ht0h/xutadolowuxiro.pdfIn PDF document text
- https://edu-mate.kr/_UploadFile/Images/file/tokuvajejidulakabibamen.pdfIn PDF document text
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b11186b2e---varosolezobagitofofe.pdfIn PDF document text
- http://carrollcountylawyers.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kikiji.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=rolling+stones+it%27s+only+rock+and+rollPDF 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_off0000f36e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF36E | 10832 bytes |
SHA-256: b4f162712016470bfb513b4a9298391f5d8d3ed3250f222bb4eb19817a0a9632 |
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font_01_sfnt_off00010c6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C6F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012481.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12481 | 18764 bytes |
SHA-256: 2e0bdceb41c681dbdaff9a180589e8c1025777f33b2b3c955a01c2a67af9b387 |
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