MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm hosted on disposable domains, with multiple URLs pointing to PDF files, suggesting a phishing or malware distribution attempt. The presence of a link to a compromised WordPress upload storage further supports this. No scripts were extracted, and the document body was unreadable binary data.
Machine Learning
- Nyx PDF Classifier malicious score 0.9837
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://ketoanantamhcm.com/uploads/files/2982898788.pdf In PDF document text
- http://thegioidahoacuong.com/uploads/image/files/nosepuworono.pdfIn PDF document text
- https://gencatakan.com/upload/file/notagitulax.pdfIn PDF document text
- http://www.hydro-tg.pro/upload/file/65147279015.pdfIn PDF document text
- http://xn--66-6kc8bfmkmjd.xn--p1ai/admin/ckfinder/userfiles/files/77714462733.pdfIn PDF document text
- https://pemaboutiquehotel.com/assets/userfiles/files/tatozelukepexodekulewejut.pdfIn PDF document text
- http://e-skala.pl/userfiles/file/mekeginazivewu.pdfIn PDF document text
- http://3suntech.com/UploadFile/file/20210912033540501.pdfIn PDF document text
- http://msslink.ru/userfiles/files/runolun.pdfIn PDF document text
- http://iucecb.com/files/file/daramozafug.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137387daf353---6645817260.pdfIn PDF document text
- http://wx-test.com/upload/ckimg/files/202109060045267992.pdfIn PDF document text
- http://lacasedescaraibes.fr/file/nuvilizezadorumeguxebaj.pdfIn PDF document text
- https://derya.afmiletisimajansi.info/resimler/files/zesuxeneboxodune.pdfIn PDF document text
- http://studioambienteterritorio.it/userfiles/files/12458386769.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/tupaxufimor.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613195888dd1e---genezejorasij.pdfIn PDF document text
- https://bimore.vn/webroot/img/files/44871221401.pdfIn PDF document text
- http://hotelclinton.it/userfiles/files/79911004742.pdfIn PDF document text
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/f09bba51ee27dfb1fabab5b563d3b9ae/pisus.pdfIn PDF document text
- http://jindi2010.com/uploadfile/files/rusiwasota.pdfIn PDF document text
- https://jphotographyllc.com/userfiles/file/85147061286.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/f9b4d36ed2f223b3056686c748b2ab9d/53034375585.pdfIn PDF document text
- http://sungsam.net/userData/board/file/futabepulifejes.pdfIn PDF document text
- http://club-integra.ru/userfiles/file/18148475297.pdfIn PDF document text
- https://alhasooncorp.com/Files/files/59459951080.pdfIn PDF document text
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b1b7836e9d---10761107612.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=world+box+premium+apk+downloadPDF 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_off0000bacc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBACC | 10800 bytes |
SHA-256: 4720695528bde01c33a029171a4d9e130d0e21913dbfe9e61bda31f360621e4f |
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font_01_sfnt_off0000d365.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD365 | 16232 bytes |
SHA-256: f353c8617087819d3e586c87dfe617e019cdd1c5e99f9810e588db27c766152a |
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font_02_sfnt_off0000fd66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD66 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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