MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a link farm pointing to compromised CMS upload storage, suggesting it is designed to redirect users to malicious content. The presence of numerous unknown URLs further supports its role as a distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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://mmbc.cz/_data/user_files/file/bisunaraduzoluf.pdf In PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609467ae44b4e---74959805409.pdfIn PDF document text
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16090f67a2533f---8108969513.pdfIn PDF document text
- http://agro-vostok.ru/userfiles/file/zomokozopevaxakasiro.pdfIn PDF document text
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/qauivu9bksg6na0h295q8gs7f4/vatalubebekenikife.pdfIn PDF document text
- http://wallawallahighschool1968.org/clients/75819/File/53094751231.pdfIn PDF document text
- http://www.ez4parcel.net/upfile/files/2021/06/17/26290680085.pdfIn PDF document text
- http://tonystelly.com/clients/873487/File/39210566907.pdfIn PDF document text
- https://classicandcamper.co.uk/wp-content/plugins/super-forms/uploads/php/files/i065mkf8fvi5ev2sv5qsfl0iuu/posisupuzeni.pdfIn PDF document text
- https://trotusgrup.ro/ckfinder/userfiles/files/bagul.pdfIn PDF document text
- http://hopkinshigh1988.com/clients/75739/File/77477999668.pdfIn PDF document text
- https://bouveau-consulting.com/userfiles/file/vutefokafodezo.pdfIn PDF document text
- http://virtualcharityevents.com/vce_cake/files/files/fezevupane.pdfIn PDF document text
- http://www.elitagida.com.tr/wp-content/plugins/super-forms/uploads/php/files/4qc3g63qfojbn222tvmrsvd5k5/22039138410.pdfIn PDF document text
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/ijok876pqnp33pbubm71snsmr5/xoloseme.pdfIn PDF document text
- http://swhwsolution.it/ckeditor-ckfinder-integration/uploads/files/31013768840.pdfIn PDF document text
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba79683a36---7460439818.pdfIn PDF document text
- http://bezagsecurity.cz/userfiles/xiponoruda.pdfIn PDF document text
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a3397656eeb---14510467647.pdfIn PDF document text
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608256d10f6c8---zosejuza.pdfIn PDF document text
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/63742e3a4608ad6e397dc2d86d7c37ac/novaduzukukunezezuf.pdfIn PDF document text
- https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/99bccd9343e1a2134ac55d8d3971645a/zunawuvixelaxupuwanufog.pdfIn PDF document text
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/cuu9847ri4h0s7aqs1d5l02lt4/pezitixogur.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=blood+and+water+seasonPDF 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_off0001236c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1236C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00013b83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B83 | 10288 bytes |
SHA-256: 86d3aaeb10896dd790af1ac6ce6d8f8c9e5b7d1752d7908e8c05b8326efe1243 |
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font_02_sfnt_off000152e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x152E4 | 17896 bytes |
SHA-256: 7e6f657a17b2940acfc8ccb45bc4aceafcc0fc7da71f677c5d1313a09b52d4e0 |
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