MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1055.012 Process Injection
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The document contains a link farm with numerous URLs pointing to compromised WordPress upload directories, suggesting an attempt to host or distribute malicious content. The presence of these links and the overall detection indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c5ca3eda684---47074982454.pdf In PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6be9d7f744---sutematimewizunimesixato.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160d23e1d8b1e9---fajikixegebuzelosebutop.pdfIn PDF document text
- http://nhactheducthammy.com/upload/files/xekeguret.pdfIn PDF document text
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/2q1qjsh2aaq0auk9kuh9qggs0c/nulasesavulijitetawuz.pdfIn PDF document text
- http://dlt-nkp.com/fileupload//file/29104503401.pdfIn PDF document text
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d5963429c2---93839962399.pdfIn PDF document text
- http://fmi.lu/userfiles/files/91341460446.pdfIn PDF document text
- http://banghetretunhien.com/media/ftp/file/67210647295.pdfIn PDF document text
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609edebb6a8c0---kotuzoduleteme.pdfIn PDF document text
- https://baongochoa.com/upload/file/bosamutijigega.pdfIn PDF document text
- http://haozuowenwang.com/imagefiles/file/43592887351.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160dab3d4233ed---5812000801.pdfIn PDF document text
- http://webhenevents.com/clients/868374/File/dimijuzelotipo.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/ensqrj7t2djeg0arj8qcd9taqu/56041711486.pdfIn PDF document text
- https://mattress-leader.com/media/wibatinerikexewovapu.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/3e116b7c59d95a89609cb7da51127728/vigut.pdfIn PDF document text
- http://alacarte-design.de/userfiles/file/jumaxajakewo.pdfIn PDF document text
- http://pamat.ro/UserFiles/file/webobemozoredomanaro.pdfIn PDF document text
- https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/f65ecd5eaebf1e15f88be67755ce7856/82598735649.pdfIn PDF document text
- http://plafondchauffant.fr//img/user/file/jodadebagijifewi.pdfIn PDF document text
- http://www.urbanwaterways.info/files/fawuxemi.pdfIn PDF document text
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16072b2ef17382---nujixudanapomavivar.pdfIn PDF document text
- http://www.lnk-creation.fr/upload/file/sodakazimowumotubudiz.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160943a29b9a3c---85186423699.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=perforated+eardrum+no+painPDF 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_off0000eae0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAE0 | 16564 bytes |
SHA-256: 9d3513680b3b4ae185b67f1f844ae63967b90261db7c61e5da6e143e946e452b |
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font_01_sfnt_off000115cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115CF | 10544 bytes |
SHA-256: ca8e304c4414fa514d3f8e9cf0c392b4123d2b0e5e757eb06ddfc7cc2ee2f758 |
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font_02_sfnt_off00012dce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DCE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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