MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, flagged by heuristics as malicious and by ML classification. It also contains numerous links to external websites, many hosted on compromised WordPress sites, suggesting a link farm or phishing lure. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent, likely to redirect users to malicious content or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8a027ef2e0---wudamoxigimuxoguluxati.pdf In PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160960a5f02d3d---jemum.pdfIn PDF document text
- http://evergreendentistryva.com/app/webroot/js/ckfinder/userfiles/files/fisopipodowe.pdfIn PDF document text
- http://dieta-plus.pl/userfiles/file/91045950673.pdfIn PDF document text
- http://dlt-nkp.com/fileupload//file/vapeta.pdfIn PDF document text
- https://www.pepinieres-gey.fr/ckfinder/userfiles/files/jixotab.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16087a4475dfe5---33088017773.pdfIn PDF document text
- https://eyetracking.pl/userfiles/file/mazuxivaxu.pdfIn PDF document text
- http://malifer.hu/upload/file/84046667818.pdfIn PDF document text
- http://muszempilla.com/files/file/kikol.pdfIn PDF document text
- http://dui-antidote.net/images/userfiles/file/xupasekarojefubufufonesut.pdfIn PDF document text
- http://champagne-marc-chauvet.com/images/files/gutugilimemin.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad2ab2e75ea---wepidukeg.pdfIn PDF document text
- https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607d2d1aa4c4c---31041486603.pdfIn PDF document text
- https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/e702d57afd421e007f8cbc334b48adf7/sojeduvepumiti.pdfIn PDF document text
- http://bookblog.kr/data/file//files/84529668008.pdfIn PDF document text
- https://affordans.com/ckfinder/userfiles/files/98567242149.pdfIn PDF document text
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/fogln803jisdkvgigcm4r8rj8m/98268974538.pdfIn PDF document text
- http://www.derbysignandgraphics.com/uploads/file/86757218767.pdfIn PDF document text
- https://camgloberealtor.com/userfiles/file/xidevag.pdfIn PDF document text
- http://hanbangrd.com/userfiles/file/20210726221444_296223192.pdfIn PDF document text
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/16085510dcfebd---tipuworajiritivuzod.pdfIn PDF document text
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/872d627169936ca7e66d07261561ae89/37745743043.pdfIn PDF document text
- http://hykylalumni.org/userfiles/lojabezamoxaxurix.pdfIn PDF document text
- https://manenshop.com/upload/files/32526988816.pdfIn PDF document text
- http://kipia-nn.ru/userfiles/file/gevojamilobedivofipep.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=ejercicios+de+matematicas+6+primaria+santillana+pdfPDF 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_off0000c119.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC119 | 11060 bytes |
SHA-256: 01adda3837be7db36a08ad84d91e02d60f6a0b210e4cc3453bf16a4c8fc7cb2e |
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font_01_sfnt_off0000daca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDACA | 17532 bytes |
SHA-256: 828eae645ab3f3c357d5c941579a461346617894eec9d1a16be023d9b8b6bcfd |
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font_02_sfnt_off00010672.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10672 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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