MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript, which is a common technique for exploiting vulnerabilities or redirecting users. The heuristics indicate it's part of a link farm hosted on compromised WordPress sites and disposable domains, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16144ba9622bf4---77062858777.pdf In PDF document text
- http://5lovestartw.com/CKEdit/upload/files/vokufijef.pdfIn PDF document text
- http://kleiberit.ru/files/file/83350971696.pdfIn PDF document text
- http://alajwakh.com/uploaded_files/userfiles/files/45285143470.pdfIn PDF document text
- http://hnfhdc.com/UpLoadFile/2021090910532291759.pdfIn PDF document text
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613130a85a7ea---50211266903.pdfIn PDF document text
- http://hoclaixebinhthuan.com/upload/contentFile/file/rupewajogar.pdfIn PDF document text
- http://moretonassets.net/userfiles/rulereweropejosegitutaj.pdfIn PDF document text
- http://tyros-club.de/userfiles/file/pikedafataxafufedegas.pdfIn PDF document text
- https://guadix.co/ckfinder/userfiles/files/38168300321.pdfIn PDF document text
- http://gardens-spa.com/user_pict/file/tojosikiwefukonatitubure.pdfIn PDF document text
- http://lightofislamonair.org/uploads/files/voraseki.pdfIn PDF document text
- https://promobryansk.ru/userfiles/files/71514328069.pdfIn PDF document text
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/0bd1548656f4cbe1f8381eb214ac873b/pipusona.pdfIn PDF document text
- http://bsp-plovdiv.org/ckfinder/userfiles/files/gudusiruzobesir.pdfIn PDF document text
- http://myhoteltrip.com/userfiles/file/51503473286.pdfIn PDF document text
- https://testgit.begurholidays.com/uploads/userfiles/files/sikaforukifefefusopofe.pdfIn PDF document text
- http://upservice.expert/admin/ckfinder/userfiles/files/sakedetag.pdfIn PDF document text
- http://ajeah-intl.org/fck_image/file/bolufikisekajulufojevu.pdfIn PDF document text
- http://www.groupementpecheduloir.com/ckfinder/userfiles/files/niroropigabakasij.pdfIn PDF document text
- http://teen.plovdivweek.com/js/ckfinder/userfiles/files/65768278966.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=electron+shell+configuration+worksheetPDF 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_off0000bb80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB80 | 18308 bytes |
SHA-256: 0ed8d61d4c28f30428d0362f93fce814715e9f40a94300d4563a208e10ff3c0c |
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font_01_sfnt_off0000e984.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE984 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001019b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1019B | 10876 bytes |
SHA-256: 7cee376c6e1f08aa3c354ccc521fde90bfcb3b24a8ef79a3ec7425bb61549843 |
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