MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs, while some are marked benign, are part of a larger pattern of redirecting users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://mvpartners.be/images/uploadedimages/file/puzogurodinasatofitileseb.pdf In PDF document text
- http://okudshava.ru/userfiles/file/widajupo.pdfIn PDF document text
- https://spandoekland.nl/userfiles/file/segejologajanosavoza.pdfIn PDF document text
- https://mvmdigital.gr/files/files/zuzusavululegivopakogozol.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613cfac5dc131---pasofuzegamabimizogopipef.pdfIn PDF document text
- http://zartmobilia.com/userfiles/file/20210904221129.pdfIn PDF document text
- http://plechotice.sk/tmp/file/63237399265.pdfIn PDF document text
- https://drticket.ir/basefile/drtiketcom/files/demuvat.pdfIn PDF document text
- http://xn--elementy-zczne-kwb98g.pl/media/file/20093913485.pdfIn PDF document text
- https://xn--fct5g39pjpo.tw/upload/leakstop/files/rofepukon.pdfIn PDF document text
- http://ajarnveerapong.com/UserFiles/file/pulozutanitimo.pdfIn PDF document text
- http://katyababash.com/images/uploads/file/61195968932.pdfIn PDF document text
- https://www.clinicaepilepsia.cl/ckfinder/userfiles/files/rikapofutapopanetogurisop.pdfIn PDF document text
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135e586ed2ee---gedepesevasen.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/217bd7cf8a72e04b4593a41e40e65f48/41523322589.pdfIn PDF document text
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16137e597058ff---xutoridetilamakekiwodil.pdfIn PDF document text
- https://solucionaesp.com/ckfinder/userfiles/files/74336081361.pdfIn PDF document text
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/f007988fb5fe294c12142d9c17377a11/nokowusikonenegikajaz.pdfIn PDF document text
- https://travellifeafrica.com/ci/userfiles/files/8346490019.pdfIn PDF document text
- http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16136d7716c29e---81331604422.pdfIn PDF document text
- http://www.szphotar.com/admin/img/files/nopap.pdfIn PDF document text
- https://gonguyenkhoi.vn/upload/files/didetusizutebikeve.pdfIn PDF document text
- http://monteconsultants.com/image/upload/File/97471691185.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=wps+office+for+android+phonePDF 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_off0000e7a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7A3 | 17812 bytes |
SHA-256: 16e22bd55dc0de6994cc7461a5590afa4cb7f2ce65274119bb59bef3401ab45f |
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font_01_sfnt_off00011616.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11616 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012e2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E2D | 10564 bytes |
SHA-256: 8be11c5ff856d6fec94a790c380aeb65434f6237a2657968ef6008520f90219f |
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