MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to potentially compromised CMS upload directories, suggesting it's used to distribute further malicious content or phish users. The presence of external URIs and a link farm structure points towards a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://entone.es/wp-content/plugins/super-forms/uploads/php/files/96e4a6af4eef53639187b7751aa453be/sagenepotujazo.pdf In PDF document text
- http://capthepcongtrinh.com/uploads/news/files/17203950450.pdfIn PDF document text
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613264cb811be---72487380988.pdfIn PDF document text
- https://pet-fashion.ro/mm/file/67549860879.pdfIn PDF document text
- https://www.xtremefitness.com.au/application/third_party/ckfinder/userfiles/files/23312118355.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/33579911499.pdfIn PDF document text
- http://mrspk.com/ckfinder/userfiles/files/wopatewemamawagiripevip.pdfIn PDF document text
- http://amirmazandaranihospital.com/ckeditor/files/files/tibib.pdfIn PDF document text
- https://motelandratecuci.ro/userfiles/file/9998783237.pdfIn PDF document text
- https://magnumattachments.com/ckfinder/userfiles/Files/5897566851.pdfIn PDF document text
- http://fanta-life.com/userfiles/file/52824446433.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/161360f350d267---gasobizuwogiji.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/161379b74813bb---6090965710.pdfIn PDF document text
- https://k85shj16h-561lt.com/contents/files/98187614653.pdfIn PDF document text
- http://an-professional.ru/img/files/file/4794043695.pdfIn PDF document text
- http://aurora-c.jp/files/files/nuwadesaz.pdfIn PDF document text
- http://pune-india.info/userfiles/file/junatajux.pdfIn PDF document text
- http://karimeh.com/public/userfiles/file/junevevatuleburota.pdfIn PDF document text
- http://phuketdriveschool.com/userfiles/file/30782557110.pdfIn PDF document text
- http://saconsultancy.com/userfiles/file/44889246452.pdfIn PDF document text
- http://midel.me/userfiles/file/1352390107.pdfIn PDF document text
- http://xn--2-140-swe8h.xn--p1ai/files/3924129607.pdfIn PDF document text
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613af98960bc9---99542616406.pdfIn PDF document text
- https://radio-clipa.ro/userfiles/file/magarudexuvuladagakumujag.pdfIn PDF document text
- http://xn----9sbkvfu2aex3d.xn--p1ai/ckfinder/userfiles/files/22812808061.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=offline+bible+concordance+app+for+androidPDF 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_off0000d711.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD711 | 17564 bytes |
SHA-256: a7a60baf63d3c695eef50171b9e19566a800a1c7bfc3aabfdf38e90f55b1df29 |
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font_01_sfnt_off00010523.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10523 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011d3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D3A | 10512 bytes |
SHA-256: 1c8a949af0ccf0181de3b45fe114859a50ee7c109c65ad4634b57b20f5ea5bd3 |
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