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 pointing to compromised CMS upload directories and disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery via these external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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 https://palcev.ru/userfiles/file/vonidukemasowenupuj.pdf In PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/72c5dbd2024a044d7ef43ee52c6f884b/musebimamisemubes.pdfIn PDF document text
- http://lighthouseofworship.com/clients/44803/File/lexumuwebadumosazox.pdfIn PDF document text
- http://ristoranteyuri2.com/userfiles/file/vexoluseze.pdfIn PDF document text
- http://terezmisszio.eu/files/file/xuguvapepe.pdfIn PDF document text
- http://thesecurityguardunion.ca/userfiles/files/mususu.pdfIn PDF document text
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160782b1977009---rukuriwakakixa.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/73dd07d9f03fdc6783c2f6c6bc5ee01c/mosena.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4081b5f05d---rameroramotobele.pdfIn PDF document text
- https://semineebrasov.ro/printuri-fi/files/6572479434.pdfIn PDF document text
- http://vanxuantravel.com/upload/files/23278252964.pdfIn PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a773e4cfa5b---jinozakadofabejena.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160736c1bc2a33---rodapemibonanijul.pdfIn PDF document text
- https://carea2plus.com/wp-content/plugins/super-forms/uploads/php/files/d9c1ac296af381bfe4d69490e63b70d7/8124962368.pdfIn PDF document text
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160abda60c3748---46997780899.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160836d0820360---5451470892.pdfIn PDF document text
- http://ituor.ir/basefile/chartermeinfo/files/rizojozezek.pdfIn PDF document text
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8b20e9dd1---98230746761.pdfIn PDF document text
- http://singlesync.com/userfiles/file/dunofexosifagawinuxuwuvat.pdfIn PDF document text
- https://maisonforville.be/documents/file/pewosepifu.pdfIn PDF document text
- https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/9e17eb44c08b13d0eec57f912946ccd2/74827768021.pdfIn PDF document text
- http://womenwhorockarkansas.com/clients/4/4c/4cfcdabbb7b8ad81bafe9a4295858145/File/muwexerefofamavi.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b44bd270b36---gonijetopefezogekame.pdfIn PDF document text
- https://serwisnawigacji.pl/userfiles/file/purajowarivike.pdfIn PDF document text
- http://pho32shabu.com/uploads/files/13424011384.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=don+gummer+youngPDF 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_off000107c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107C0 | 10100 bytes |
SHA-256: 7378ab29d0fb087c34b16d249f46620226fa352617e5218ecf4bafebb8d4c643 |
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font_01_sfnt_off00011e41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E41 | 17464 bytes |
SHA-256: 9a48edbf6c38d4e2d306c232bdc7c33d5855f1c8306b0940c04787f980af0b86 |
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font_02_sfnt_off00014baf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14BAF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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