MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file containing embedded JavaScript, which is a common technique for delivering malicious content. Several heuristics indicate that the PDF links to compromised WordPress upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160a62e1a1c0fa---xexevuroxirojidamili.pdf In PDF document text
- https://home-consult.lu/userfiles/files/fofolov.pdfIn PDF document text
- https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/6a86e6f07866cce5e7c4b60cdfac352b/pivovalodof.pdfIn PDF document text
- http://abwrosedale.com/uploads/files/mepudi.pdfIn PDF document text
- https://morabia.fi/images/file/didelijafujarilelapos.pdfIn PDF document text
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aa4b14e2634---55861690658.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/27689278493.pdfIn PDF document text
- http://k-yoga.org/file_upload/spaw_upload/file/20210506041706.pdfIn PDF document text
- https://aarhuskortet.dk/images/file/tomenatuzamavo.pdfIn PDF document text
- http://bibrka-school.org.ua/ckfinder/userfiles/files/25551200017.pdfIn PDF document text
- http://www.toeterloeh44.de/files/novoser.pdfIn PDF document text
- http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/lekexemopifijixo.pdfIn PDF document text
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/482b30cf5a1764b1ef450d8ec62fcc1b/17549315825.pdfIn PDF document text
- http://www.anglometais.com.br/adm/Editor/ckfinder/userfiles/files/9934389622.pdfIn PDF document text
- http://lindendirect.com/ckfinder/userfiles/files/vederilakuwafizojepi.pdfIn PDF document text
- http://trevelsi.ru/ckfinder/userfiles/files/24526857202.pdfIn PDF document text
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/ek4cjvdh12ht9442o11nu3kdkn/kigaxi.pdfIn PDF document text
- http://rcot.by/pics/files/29248083820.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=reloved+magazine+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_off0000cafe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAFE | 16896 bytes |
SHA-256: 024c5ee1004b45798f3737d67c51c4977b2bee7029d516d0861249cd3632b0b6 |
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font_01_sfnt_off0000f66f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF66F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010e86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E86 | 10648 bytes |
SHA-256: 7fa231edd72e1bdc842120d590f28549b68698bf23ac757840bc60458f7e0d96 |
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