MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The PDF contains a link farm pointing to multiple compromised WordPress sites, which in turn host other PDF files. This suggests a multi-stage attack, likely for phishing or malware distribution. The ClamAV detection and ML classifier strongly indicate malicious intent, with the link farm serving as a lure to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://aldea.work/wp-content/plugins/super-forms/uploads/php/files/5672c3caf8596023cba7c74d535fe7a9/gotigulibubomerajizesata.pdf In PDF document text
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/160987e5a0412a---zonepiretejiri.pdfIn PDF document text
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160bd4a9716210---zopufusotuni.pdfIn PDF document text
- https://cleaner.pl/userfiles/file/zorupurumuk.pdfIn PDF document text
- http://creaorganization.com/depo/sayfaresim/file/9413154273.pdfIn PDF document text
- https://eatorhours.org/e-bussiness/fckimages/file/22432161843.pdfIn PDF document text
- http://gancza.pl/userfiles/file/96811841934.pdfIn PDF document text
- https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/6c1c974239545e86109e7bb79e18e76f/82731526517.pdfIn PDF document text
- http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160849b0472a9e---wiwibulebuwukizebu.pdfIn PDF document text
- https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/ff463bfb108d3f7639600f2f109438de/dipisedugokagozimawifa.pdfIn PDF document text
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dfd84aa63a9---bitamat.pdfIn PDF document text
- https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/493f92329bc41547000e3209545cec97/pebapanugidanak.pdfIn PDF document text
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16088a6cde832f---74566170249.pdfIn PDF document text
- https://iamtimeshare.com/userfiles/file/medinib.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/wutum.pdfIn PDF document text
- https://gofropack.com/wp-content/plugins/super-forms/uploads/php/files/8c50dffe169b011544992414b6488a34/wuruwagidi.pdfIn PDF document text
- http://xn--80aab8aioy.xn--p1ai/userfiles/file/20119103316.pdfIn PDF document text
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/fio7pugh3jcfbmascd2sgslgc0/woravepenogasotirux.pdfIn PDF document text
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a8972e519f4---54347024114.pdfIn PDF document text
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad8dfc8a9a---sobupetezakol.pdfIn PDF document text
- http://www.ih-consultant.com/ckfinder/userfiles/files/15105883383.pdfIn PDF document text
- https://aartipalette.com/userfiles/file/pavovarem.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609cfd51741d5---pavitozetepinavugalo.pdfIn PDF document text
- http://makinsushi.com/uploads/files/jifoxalesekive.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=the+tragedy+of+macbeth+act+4+questions+and+answersPDF 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_off0000fb3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB3C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011353.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11353 | 11504 bytes |
SHA-256: 5fdd3bf295bd3239ab922ba22106ba52d6c5d411131441518f833def7a86b5ac |
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font_02_sfnt_off00012e03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E03 | 17184 bytes |
SHA-256: ea316e7aac64142392b6b250015dd91cd1b36d834f75800aa9852630ded0ea49 |
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