MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs are likely used to redirect users to malicious sites, potentially for credential harvesting or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/l7log33fik8uo7vumpp0qmdtmq/52062237581.pdf In PDF document text
- https://ochronaskory.pl/pliki_user/File/dopabosiwox.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160ae3eb522e7a---72223849314.pdfIn PDF document text
- http://pjteam.hu/uploads/39844421412.pdfIn PDF document text
- http://www.icareonline.net.au/ckfinder/icare/files/95672579111.pdfIn PDF document text
- http://pogotowienaukowe.com/Upload/file/pemikadupozawida.pdfIn PDF document text
- http://accessiblevehicleservices.com/userfiles/file/gezelajatikap.pdfIn PDF document text
- http://www.dramayaramendes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16075a50af1a1f---fukiposizuvozex.pdfIn PDF document text
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161003809b3ec8---widuwakorufefegoket.pdfIn PDF document text
- http://thewellmanteam.com/userfiles/files/4878506023.pdfIn PDF document text
- http://www.iece.in/userfiles/file/55240856751.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4199b3aca9---95869001266.pdfIn PDF document text
- http://ddservice-bmw.pl/userfiles/file/31213237669.pdfIn PDF document text
- http://kfnmdg.com/upfolder/e/files/20210623225015.pdfIn PDF document text
- http://mediaworld.pro/ckfinder/userfiles/files/pozamiwoxenex.pdfIn PDF document text
- https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/e914ec6c97e2c540ae302be35c01ee74/71012036473.pdfIn PDF document text
- https://adasms.fr/userfiles/file/71506548530.pdfIn PDF document text
- http://smart-ventures.ch/upload/Editor_Images/files/27979475315.pdfIn PDF document text
- https://goez3.com/10005001208290177/ckfinder/userfiles/files/potabopixivunevinepotosex.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=caused+by+java.net.socketexception+connection+or+outbound+has+closedPDF 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_off0000d2f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2F5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eb0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB0C | 11452 bytes |
SHA-256: 355bb0acd22e3df7813868bf44e423d509d06c9a9158ed4365e4d0d60dfb0bda |
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font_02_sfnt_off000105d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105D2 | 16512 bytes |
SHA-256: 9ca216a161461be28480d183921057e7501ed5a9789ea53e3fec603c4550c72e |
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