MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a phishing or malware distribution lure, likely delivered via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 6
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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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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://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613e021a7e239---6464977628.pdf In PDF document text
- https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/9a5b3963bcf9f9df35c89076f020c84e/48901528901.pdfIn PDF document text
- http://highendschmiede.de/highendfiles/file/45618168649.pdfIn PDF document text
- http://marymo.ru/uploads/files/bavajabovewat.pdfIn PDF document text
- http://suamanhinhlcd.net/userfiles/file/68028348470.pdfIn PDF document text
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/161335d56e4166---bovitekodafapopapufibowe.pdfIn PDF document text
- http://radissonhoteltraining.com/userfiles/file/poboxumelutaxumi.pdfIn PDF document text
- https://sporyolu.com/resimler/files/momimimare.pdfIn PDF document text
- http://onfireinteriors.com/userfiles/galuzosuramogovufokajikim.pdfIn PDF document text
- http://gz-theoutfit.com/UploadFiles/FCKeditor/20210906075834.pdfIn PDF document text
- http://energcomb.net/cms_enercomb/sgi_userfiles/userfiles/files/66300036926.pdfIn PDF document text
- http://zenobiacultura.it/userfiles/file///dejenuvokonomowa.pdfIn PDF document text
- http://eska-lift.ru/userfiles/file/27656904360.pdfIn PDF document text
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/b75efc5bcaae3fab47d1efa7266f30c5/62561048504.pdfIn PDF document text
- http://phubozena.pl/userfiles/file/jetuzinomewomejaw.pdfIn PDF document text
- http://www.morrisjones.co.uk/EditorImages/file/63096496010.pdfIn PDF document text
- https://araprinter.com/ckfinder/userfiles/files/gubuzuradiga.pdfIn PDF document text
- http://metalzilembo.it/userfiles/files/58061704833.pdfIn PDF document text
- http://kmbb.at/userfiles/file/97764766834.pdfIn PDF document text
- https://nutritie-metabolism-sanatate.ro/app/webroot/files/userfiles/files/lojomuxoxodibojoj.pdfIn PDF document text
- http://kingsfinancialconsulting.com/userfiles/file/58586744910.pdfIn PDF document text
- http://inter-travel.hu/_user/file/jeloxowefo.pdfIn PDF document text
- https://marlin-aquarium.ru/ckfinder/userfiles/files/gejazobubideto.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=yify+browser+apkPDF 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_off0000c98c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC98C | 17084 bytes |
SHA-256: 37b7cb7fdd7a36f986aa5eb04a03b76eab886007c4b4dd76b73ad88ea83bc4d8 |
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font_01_sfnt_off0000f5b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5B3 | 10516 bytes |
SHA-256: f56b58749545ddc789fa36ae10e0ed0ada94098cf7d7e78bd9c3c84555b9ee3a |
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font_02_sfnt_off00010da1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DA1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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