MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for delivering malicious content. Heuristics indicate it's part of a link farm pointing 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 0.9985
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 https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16131414e64d0f---70012527149.pdf In PDF document text
- http://swaving-stalinrichting.nl/ckfinder/userfiles/files/nipanejadujebinumek.pdfIn PDF document text
- http://shtaket46.ru/page_edit/_samples/userfiles/files/medasifumejogeva.pdfIn PDF document text
- https://erdemlerkoleji.com/resimler/files/detadiwow.pdfIn PDF document text
- http://craft-personal.de/userfiles/file/biwufutowifenotuxadina.pdfIn PDF document text
- http://alliance-ic.ru/uploads/file/luvalikoluzusa.pdfIn PDF document text
- http://plovdivweek.com/app/templates/js/ckfinder/userfiles/files/womusobunavo.pdfIn PDF document text
- http://dangkydoanhnghiep.org/hinhanh_fckeditor/file/kodakibogezapovobem.pdfIn PDF document text
- http://letnipohar.cz/upload/file/7751603209.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16135d7b174ca7---7773011123.pdfIn PDF document text
- https://rsvforum.com/userfiles/file/vudevo.pdfIn PDF document text
- http://xn--80aafmoni2biho.xn--p1ai/admin/ckfinder/userfiles/files/43556607878.pdfIn PDF document text
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a0372abc04---demifuzeterabenuzis.pdfIn PDF document text
- https://gym-rectif.fr/ckfinder/userfiles/files/jujujuwis.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/161388af76c18d---7881439808.pdfIn PDF document text
- http://salsainkonstanz.de/media/files/34084174665.pdfIn PDF document text
- https://citrasas.com/ckfinder/userfiles/files/dotorelegilifejek.pdfIn PDF document text
- http://meyergarden.com/ckfinder/userfiles/files/rikijexur.pdfIn PDF document text
- https://franciscojaviermoreno.com/DocsCKeditor/files/kuzekalatopunidof.pdfIn PDF document text
- http://ceramvetro.net/userfiles/file/pozedagugu.pdfIn PDF document text
- http://ameshamagazine.com/js/upload/files/33182505452.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=how+to+draw+a+chickenPDF 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_off0000db7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB7E | 10420 bytes |
SHA-256: 818278e19f76f257196538b45452bb58bed4a3108bc06d12d2df198611bb416b |
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font_01_sfnt_off0000f309.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF309 | 16904 bytes |
SHA-256: 505fda46567db08d5f9f6670b361adf2df14bfe2bbb2377e3e69d83c30fdc00e |
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font_02_sfnt_off00011e8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E8A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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