MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many of which point to compromised WordPress sites, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. The file's structure and numerous external links are indicative of a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c2eb8f325d8---nigixorojojiboko.pdf In PDF document text
- http://cen7dias.es/userfiles/files/fudotegunu.pdfIn PDF document text
- http://begemot-rus.com/uploadfiles/file/2021062217291273499.pdfIn PDF document text
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/5f4e0a58d8cc9c5dafe87377436eccbd/gokukadasipagekaf.pdfIn PDF document text
- http://delannahotel.com/user_img/file/4338292907.pdfIn PDF document text
- https://monographie.com/ckfinder/userfiles/files/fufapejexu.pdfIn PDF document text
- http://bayernglobal.de/userVZ//file/jijijudiliwo.pdfIn PDF document text
- http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/160be9a246f250---ninoxoxajupefa.pdfIn PDF document text
- http://baschin-heizung.com/meineBilderAlbertGrundschule/file/10182929141.pdfIn PDF document text
- http://abwingssuffolk2.com/uploads/files/89049976765.pdfIn PDF document text
- http://sllight.ru/design/img/upload/file/42937816903.pdfIn PDF document text
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b55f01d5a68---werubapoxegib.pdfIn PDF document text
- http://thietbianninh188.com/uploads/files/22369605018.pdfIn PDF document text
- http://solarhomepage.ch/fckeditor/editor/images/file/55823857797.pdfIn PDF document text
- https://podgoricki-klub.me/userfiles/file/34986160266.pdfIn PDF document text
- http://writtenmail.com/upload_images/file/vuzobex.pdfIn PDF document text
- https://parc-hotel.info/file/81105463549.pdfIn PDF document text
- http://v-lukomorie.com/uploader/files/4746620606.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/3eb255bcd03f6f13858aecfd0f37c707/6658957579.pdfIn PDF document text
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/nnif6miomdqillo72b4m3vg4na/31006657980.pdfIn PDF document text
- http://urdu-hadith.com/survey/userfiles/files/zurujuxolevefawijigutuso.pdfIn PDF document text
- http://costruzionibulagna.it/userfiles/files/47745371854.pdfIn PDF document text
- http://dataprint.ie/uploads/file/rukenagakuxu.pdfIn PDF document text
- http://reliancefla.com/admin/images/file/5842054031.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=neet+syllabus+biology+2017+pdf+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_off0000dc73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC73 | 11332 bytes |
SHA-256: 718d9cabbe27a86dacb01ab919da1f6ca60229eb9f3e202bb233726737da6e2c |
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font_01_sfnt_off0000f70e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF70E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010f20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F20 | 17820 bytes |
SHA-256: 795e4088a3d81a83cdb7232054e0f475d4c9b62496ab083017c60a3e786d2669 |
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