MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many pointing to compromised websites or disposable domains, indicating a link farm designed to lure users to malicious content. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. The presence of multiple external URIs and link farms suggests an attempt to distribute malware or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9878
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://smidgel.ru/uplcv?utm_term=interpreta%C3%A7%C3%A3o+de+texto+ingles+9+ano+com+gabarito+doc PDF link annotation
- http://xn--b1akwe.xn--p1ai/userfiles/file/sidevarilipunatagaw.pdfIn PDF document text
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/92113900802.pdfIn PDF document text
- http://tweddlefoto.com/files_contenidos/upload/files/wagesuwalamuvajawepejo.pdfIn PDF document text
- https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/e7543fb69cd3894076c87d803ec50c42/tufalapenumawuzelugibena.pdfIn PDF document text
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/m89ier9vanq80iealppj4b3vjb/74319059550.pdfIn PDF document text
- http://jrpst.pl/userfiles/file/bivagetezijaminodazu.pdfIn PDF document text
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607774c0eb50e---samipadedosuxadavopal.pdfIn PDF document text
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609ba3bac96ba---54568754820.pdfIn PDF document text
- http://holidayservicemarsala.it/userfiles/files/bidisojefasidinos.pdfIn PDF document text
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094c6d055cc5---dubijitunolamamukotutala.pdfIn PDF document text
- https://tenshinorchids.com/FCKeditor_upload/file/paxejaranevovujagobon.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/65023717e75636f1828f79e26ecf2886/77640267583.pdfIn PDF document text
- http://cascad-trans.ru/files/koleseditulijol.pdfIn PDF document text
- http://hy-concrete.ru/d/files/sozitijemewapokolifu.pdfIn PDF document text
- https://lesartsdansmonjardin.com/userfiles/file/20210627101024.pdfIn PDF document text
- http://quaint-house.com/images/blog//file/86797119514.pdfIn PDF document text
- https://www.axelendinggroup.com/wp-content/plugins/super-forms/uploads/php/files/23cd3631196ad8d6dfeb13b686f5ad79/dibevigotixuragexitewi.pdfIn PDF document text
- http://dobre-jaja.com/Upload/file/topudikonub.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/p980m0604fhg8p8lbhtfo8kpl6/80545507773.pdfIn PDF document text
- https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/f0934f98b25067962d991754af871e83/gorutogufewadirulavefoti.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160edd8e2b45b8---kofibepakatowusuro.pdfIn PDF document text
- https://www.herewardcarpets.co.uk/wp-content/plugins/super-forms/uploads/php/files/ui9vu40mepp8bjk96h4vmplm0r/delusozigabaxipi.pdfIn PDF document text
- http://thingsantiquesla.com/userfiles/files/66373553256.pdfIn PDF document text
- http://kawoka.com/userfiles/file/49980902537.pdfIn PDF document text
- https://tideandtigers.com/ckfinder/userfiles/files/sabivusasaxukomote.pdfIn PDF document text
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607570d49e488---86643683115.pdfIn PDF document text
- 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_off00012204.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12204 | 11684 bytes |
SHA-256: 888767c370966927c275887684717e001b086ac809a1f287b3504c6b9ffd5296 |
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font_01_sfnt_off00013cb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CB6 | 20876 bytes |
SHA-256: 0d2129dbb0e1a4b1ba147a9ce07710593de7a81c0bbac39fbfe026870c12e02b |
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font_02_sfnt_off00016fe8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16FE8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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