MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised WordPress sites, indicating a link farm strategy. The 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics confirm this behavior. ClamAV detection and ML classification further support its malicious nature, likely as a phishing or redirection lure.
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 https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/52f366d570c3c8c8211400803a953157/figev.pdf In PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/d0nod69m2a752ouu6t3ftthbj6/gojozukirowazejorobuli.pdfIn PDF document text
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/8edc22a0dc4dd514155c619c79d79855/35563941638.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae5fe444b9---buterujorevonatavopox.pdfIn PDF document text
- https://bioesteticaonline.it/file/87797987505.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/73c2c52c04eddb064ba36b63d3d0b5be/91291512568.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160961a0fe7613---35750138446.pdfIn PDF document text
- https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/aeeaiubkqja7es1ii7kvfvbif3/nimer.pdfIn PDF document text
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/16079119ff27d1---6195054890.pdfIn PDF document text
- http://school19-zav.ru/userfiles/file/74874138747.pdfIn PDF document text
- http://seamacros.com/upload/file/39332320246.pdfIn PDF document text
- http://paradisoseminatrici.it/userfiles/files/fozakamedepijulota.pdfIn PDF document text
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/553968845ce2a8a35e339168f7587192/90877044831.pdfIn PDF document text
- http://charugarware.com/DEVELOPMENT/charu_garware/uploaded/userfiles/file/luvedukulumatajara.pdfIn PDF document text
- https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/4b47be3ccabf76a060cc7af52b393ec9/davetewixasodarenebarubo.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bb7dece340c---fogowilo.pdfIn PDF document text
- https://mimpiindahsatu.com/contents//files/sexirubofuporipofuteg.pdfIn PDF document text
- http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae60a58947a---xosamupadoguxe.pdfIn PDF document text
- http://bethelhanberryaaa.com/clients/2/24/2465ef4bb9bb1b7382310ae17d7cafeb/File/89913387132.pdfIn PDF document text
- http://uk-finansist.ru/userfiles/file/67036789328.pdfIn PDF document text
- http://eperon-kochersberg.com/img_db/64884478249.pdfIn PDF document text
- https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1607a65b5c0d0b---46026640764.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160966034e6c00---xigodamujek.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210511083612438.pdfIn PDF document text
- https://www.prestigeautobody.com.au/wp-content/plugins/super-forms/uploads/php/files/a392c19302d59c57d8ca3e1e1388dcd2/90185797264.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=pacsun+employee+dress+codePDF 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_off0000ef78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF78 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001078f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1078F | 10700 bytes |
SHA-256: 838ef0d1c69522c3204b7e97351ddcce3dbaee27d40dbf361a2c0e83e8943462 |
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font_02_sfnt_off0001201a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1201A | 17368 bytes |
SHA-256: 8d435380b75374c53c883e585e7062f1d43546f28cd3ea2bef9ed77d3460ee3c |
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