MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ClamAV detection further supports its classification as a phishing trojan.
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://synerhu.ru/uplcv?utm_term=oldham+county+dmv+hours
- http://jaika.in/images/documents/files/71997000005.pdf
- https://cochleartudaskozpont.hufiles/81947817827.pdf
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/cgvhvj213o8maemf4744pvafkv/51882935395.pdf
- http://www.elitagida.com.tr/wp-content/plugins/super-forms/uploads/php/files/t1kejede1739pjj86330itlma3/goxanowumujod.pdf
- https://balajitutorial.com/admin/userfiles/file/vubuvamiwani.pdf
- https://audreyheselmans.com/_files/file/jajigunukusetubudidosu.pdf
- http://maekalocal.com/Maeka/UserFiles/File/79397051142.pdf
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160e4598042535---dejagerokeni.pdf
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e83c217174---36361060908.pdf
- https://ludbaegitim.com/calisma2/files/uploads/pojiwusobibite.pdf
- https://pima-alarms.net/slicice/file/99181296681.pdf
- https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/39842e9202427c3b4eacc0ebcb7d4de9/kexosewi.pdf
- https://anmoul.com/userfiles/file/zaxobabujarukex.pdf
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab6583c1ed---2948356782.pdf
- https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/vgmga8ldsseb5flp9hcgpcdfhd/12224570023.pdf
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160853e2a8a6b3---titimexeva.pdf
- http://polimak.pl/userfiles/file/30230789378.pdf
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5bc11aa42c---60438002614.pdf
- http://jngf.cn/files/file/31510297609.pdf
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9d085239ea---wazavelo.pdf
- https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/42355fa46486bff64eaa44c6140a2171/58903355801.pdf
- http://thetuckerfamilyreunion.com/clients/67950/File/99365008892.pdf
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/160963faf7a5c4---84397267597.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c8ad.bin04b7c57dd8b9bbdbb990164cb9e5d687378e40f9712ee673b352e24e45c4b07f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8AD | 16664 bytes |
font_01_sfnt_off0000f409.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF409 | 16792 bytes |
font_02_sfnt_off00010c20.bind049460dacc8272bf252fc79567e90cd30ac8ebd325ab37e1aa88fd6d2bd9627 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C20 | 10716 bytes |
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