MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised or disposable hosting. Heuristics indicate a link farm designed to direct users to external content, with a high ML score and ClamAV detection confirming malicious intent. The document body is unreadable, but the URL structure and heuristic firings suggest a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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 http://servmed.net/userfiles/file/26407537126.pdf In PDF document text
- https://www.chablis-gautherin.com/ckfinder/userfiles/files/medejo.pdfIn PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612f52306630c---givuwexiwivivo.pdfIn PDF document text
- http://mexvp.com/ckfinder/userfiles/files/90064773818.pdfIn PDF document text
- https://bepxuyenviet.com/upload/files/2332398767.pdfIn PDF document text
- http://kolbiko.com/images/uploads/file/9890256847.pdfIn PDF document text
- http://fasson.vip/images/editor/files/33072671757.pdfIn PDF document text
- http://globalnetworks.de/www.galabau-poscher.de/main/preview/ckfinder/userfiles/files/29841649446.pdfIn PDF document text
- https://braintreeclinics.com/app/webroot/img/files/61153859841.pdfIn PDF document text
- http://huarui-bio.com/upload/files/wofonug.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16140b9e72796d---pewizijoze.pdfIn PDF document text
- https://dongphuchuytai.com/upload/files/jivobebimibutinir.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161381dcb5d973---3826088752.pdfIn PDF document text
- http://lucchetta.net/userfiles/files/70696521825.pdfIn PDF document text
- https://rajatotogroup4.com/contents/files/66374460981.pdfIn PDF document text
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/uguqaqf47f8kc3c4qs4r8ulvum/41136573063.pdfIn PDF document text
- http://hstechno.com/userData/ebizro_board/file/kiwizevagufamut.pdfIn PDF document text
- https://lederstuhl-shop.de/ckfinder/userfiles/files/supipofopivafonerepagute.pdfIn PDF document text
- http://melodylavernebettencourt.com/media/file/92091898834.pdfIn PDF document text
- http://loscogliodifavignana.it/userfiles/files/janufafanugozitizasol.pdfIn PDF document text
- http://eichler-kammerer.de/61119107027.pdfIn PDF document text
- https://2acontractor.it/images/file/17676795417.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=oginsta+app+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_off0000d8ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8FF | 10448 bytes |
SHA-256: ff1341b31666dd83567b996a27d213efd4ff9c65d9964ad809314c8962751697 |
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font_01_sfnt_off0000f0b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0B0 | 18352 bytes |
SHA-256: ceede793c57e11ec54473351135662bfdb8d134f0f4f7dd348540b6d730c04a1 |
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font_02_sfnt_off00011f96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F96 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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