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 functions as a link farm, with numerous embedded URLs pointing to compromised CMS upload directories. These links likely serve as a lure to download further malicious content or phish for user credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/7j71c9v4qmcbru9hpe17r4b9ca/rufebuze.pdf In PDF document text
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/kn5c37a1e002a7v5ec4tuu37g4/67585599355.pdfIn PDF document text
- https://www.deuba.info/wp-content/plugins/super-forms/uploads/php/files/qig0ns2g0at6cakgv8iimp9it4/wezisasulepimitutijapador.pdfIn PDF document text
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/7fd913ab5636aa6b1f903a7795f75e00/perabokuk.pdfIn PDF document text
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094869010f95---90093765928.pdfIn PDF document text
- https://palcev.ru/userfiles/file/leburegu.pdfIn PDF document text
- http://www.huntsvillepr.com/files/files/pizuxemetaxen.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/29668850730.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/cf4757199e2e8ee1681bd5fe48fb18bb/tojurizivefawibutumubax.pdfIn PDF document text
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/o39kol2mspp2vitcijn7bhg0u6/98072680667.pdfIn PDF document text
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606f8f419621d---tugagakarazimes.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/8a4006637fd25acecff3cfee3e6f278e/86290536139.pdfIn PDF document text
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160742c52837c8---30976147619.pdfIn PDF document text
- http://obasekiestates.com/UserFiles/file/ragatig.pdfIn PDF document text
- http://eros-arena-reutlingen.de/eros/userfiles/file/732005220.pdfIn PDF document text
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/d36ghi0pbtlu4t91nvecdaeqo1/5887509306.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160712208c784b---muvem.pdfIn PDF document text
- https://ancoraeducacion.com/images/zajik.pdfIn PDF document text
- http://asja-doll.ru/userfiles/file/vuvezajabasatinawugufo.pdfIn PDF document text
- https://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/245c67b998558c734e60b65cdbd048d4/55996777728.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c119d11455d---26227203231.pdfIn PDF document text
- https://zanhotel.ro/beficientconsultingFiles/file/xozetarupekujituw.pdfIn PDF document text
- https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/c6f2fa30be2d7f87730e59fb43ee3b51/fefudebexaxirigas.pdfIn PDF document text
- http://biemmecommerciale.eu/userfiles/files/83781251137.pdfIn PDF document text
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/16078a0fdb01df---52901206439.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=smith+wigglesworth+books+free+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_off0000ecd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECD7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000104e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104E9 | 17780 bytes |
SHA-256: 2b40be70257c954079ff635875ea9822d13201cb9c3a84726d593da16fffa615 |
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font_02_sfnt_off000132c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132C5 | 11196 bytes |
SHA-256: 1b2841d9b68ba50ad898699d11c693e6641aa30ea304d3caa869fbcf61b60acc |
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