MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories, presents a deceptive download button and contains embedded JavaScript. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 8
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://bevelec.com/bevelec/dossierMois/file/dalerutivuwavalojasi.pdf In PDF document text
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/5q1bkf7nkv9pvqaee3alnaf684/66749755166.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/ao2sf31fa2i36laj5gfd9s1dio/3628596088.pdfIn PDF document text
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081ce48931dd---62495739345.pdfIn PDF document text
- http://ideviceplus.be/app/webroot/files/userfiles/files/46708098670.pdfIn PDF document text
- http://captaincook.hu/userfiles/file/19276356667.pdfIn PDF document text
- http://www.uniformsolutionsforyou.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d870b0152c---xilepibel.pdfIn PDF document text
- http://stoewebdesign.no/userfiles/file/8970409727.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/27745103234.pdfIn PDF document text
- https://szekszardportal.hu/userfiles/file/91377704927.pdfIn PDF document text
- http://cesishotel.lv/res/wysiwyg/file/vokevalobomumexupaxebug.pdfIn PDF document text
- http://teplospectr.ru/images/files/8734514839.pdfIn PDF document text
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/ffd62c47d9cfc650afd31cd1388993ba/vepezomogoxorufa.pdfIn PDF document text
- http://peggylittlelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/99819635065.pdfIn PDF document text
- http://www.alquilerbares.com.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8559c35bb---13861170250.pdfIn PDF document text
- https://lederstuehle-shop.de/ckfinder/userfiles/files/45399533452.pdfIn PDF document text
- https://sitycare.com/FCK-UserFiles/files/39789259770.pdfIn PDF document text
- https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/9bf5380b9f1acd3401e6e09ccaf77ba7/zajis.pdfIn PDF document text
- http://sanitaerprofi.ch/fckeditor/editor/images/file/worufonafinufetudakopova.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/9657b332a56ca984c6078d69cbb989e5/zikenure.pdfIn PDF document text
- http://bi-acaovo.com/upload/files/30751388043.pdfIn PDF document text
- http://motoren-adachi.com/js/upload/files/wegufepunavugafilax.pdfIn PDF document text
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160e7bf4fc46b8---nogexasirowibitibanozu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=convert+the+size+of+pdfPDF 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_off0000d74f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD74F | 10544 bytes |
SHA-256: 3b018b3dec1efa9b3285a1201fa03c9f8cc2f5f6a9993e68510aeebbf3693912 |
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font_01_sfnt_off0000ef5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF5A | 17512 bytes |
SHA-256: 4142a137d50f2bdb1d67ad820365eca0d46917a9f7742ea702481cc9cdea797e |
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font_02_sfnt_off00011cf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CF1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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