MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and a large number of external URIs, many of which point to compromised WordPress sites hosting malicious PDF files. This indicates a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly support the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607f45538e161---1358093189.pdf In PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ade3cdc0147---33038451666.pdfIn PDF document text
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/d4d47330554aaf8d2225bf649438c570/10686838436.pdfIn PDF document text
- http://spalovnachemolak.sk/userfiles/file/10709331344.pdfIn PDF document text
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/802sktq932hrhdqk3tmu23chi5/dabofil.pdfIn PDF document text
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b7d01907504---nisiw.pdfIn PDF document text
- http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160708f401919f---64910089561.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16077c0df52003---zipegonumox.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4cfbb48d9a---62166360970.pdfIn PDF document text
- http://mirandatutoringcentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607837775bdb9---pavololizumivafusewa.pdfIn PDF document text
- http://aldara-latinoamerica.com/userfiles/file/fidobovixejir.pdfIn PDF document text
- http://vdi.vn/userfiles/file/92666107873.pdfIn PDF document text
- http://livelyway.com/ckfinder/userfiles/files/98788013934.pdfIn PDF document text
- http://billsky.ee/files/file/kulogorexexorinil.pdfIn PDF document text
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b61f9952752---6320435780.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607af70ca3564---kanudatapiramomuxanako.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160948d9044768---36103851482.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/16076d10b44b58---zojaxusenogimuxu.pdfIn PDF document text
- http://idolyokocho.com/js/ckfinder/userfiles/files/92228569464.pdfIn PDF document text
- http://blankheich.de/images/uploads/file/bavirenuxivilaxukixakujo.pdfIn PDF document text
- http://cansuyu.org/resimler/files/sejejebopewogew.pdfIn PDF document text
- http://synerfreight.com/syner_upload/images/files/39136308529.pdfIn PDF document text
- http://pnktools-th.org/ckfinder/userfiles/files/fekax.pdfIn PDF document text
- https://alatheir.com/atheirwsfiles/file/pufasufigimawomelu.pdfIn PDF document text
- http://teenaramainc.org/clients/875997/File/muwisakijedoramisopo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=how+do+i+create+a+stock+sheet+in+excelPDF 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_off0000f412.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF412 | 10740 bytes |
SHA-256: 6e06ebf52c128ff98353c27365585a6c4471b3522d47caef3936529a8ef8aefb |
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font_01_sfnt_off00010cb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CB9 | 16688 bytes |
SHA-256: af837bed285b72595ea21c3b31ea74c5e23e4cfda50e4e875e4709af4e56f7f0 |
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font_02_sfnt_off0001382a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1382A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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