MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs that point to compromised websites and disposable hosting, likely serving as a link farm for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent, with the heuristics pointing towards a phishing or trojan delivery mechanism. No scripts were extracted, but the PDF structure itself facilitates the attack by hosting these malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://inwebjor.ru/uplcv?utm_term=suncity+casino+apk PDF link annotation
- http://massimosusto.eu/userfiles/files/91611002314.pdfIn PDF document text
- http://wpscrm.in/uploaded_files/userfiles/files/15398220780.pdfIn PDF document text
- http://yourhealthyanswer.com/ckfinder/userfiles/files/kukawisuposexesusifafuwa.pdfIn PDF document text
- http://veewood.com/file_media/file_image/file/nisaxusuwixojebufabakotow.pdfIn PDF document text
- http://slesnick.net/userfiles/files/goziwadubilojozimu.pdfIn PDF document text
- http://ninda.vn/userfiles/files/sadunurolumit.pdfIn PDF document text
- https://laughteronlineuniversity.com/images/upload/files/zugoravuj.pdfIn PDF document text
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/c654186865c4ca4488c3d64c7fb95caf/fopejorojudupodukuna.pdfIn PDF document text
- http://www.39koratmachinery.com/file_upload/files/wedafawewenagop.pdfIn PDF document text
- http://lerucherdesanges.fr/userfiles/file/lekimoguzotakilopuku.pdfIn PDF document text
- https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/18481880947.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/97014627003.pdfIn PDF document text
- http://tivatijapan.com/uploads/userfiles/file/gewizivubonariz.pdfIn PDF document text
- https://khanoomhoteli.com/basefile/khanoomhotelicom/files/xexawedotutadu.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/u6e9q77528vgermg7g5v1m9j8d/24991620019.pdfIn PDF document text
- http://cosyromania.com/media/file/fizesukotaxarinojolemawit.pdfIn PDF document text
- https://marblo.com/app/webroot/img/files/45079931794.pdfIn PDF document text
- http://edu-family72.ru/content/images/uploads/file/70352118458.pdfIn PDF document text
- http://www.mezmat.ru/ckfinder/userfiles/files/werapejimibifobesufepal.pdfIn PDF document text
- http://studioarchoggianiepartners.it/userfiles/files/kubugorexobokezifoked.pdfIn PDF document text
- https://europacreativaeuskadi.eu/files/galeria/files/tizalilelebonesa.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139ee17d1693---62184081203.pdfIn PDF document text
- https://crossfitbeeshark.ro/app/webroot/files/userfiles/files/57369835590.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_off0000f278.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF278 | 18436 bytes |
SHA-256: 6fae32a3eeb18dc04baefb1f1aefa90dcf7e909d799f115165d3b3f60af92c68 |
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font_01_sfnt_off000122dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122DD | 10472 bytes |
SHA-256: 1d5dec496a6e75875f3fe03697f515664ee49d21704ff698a84e59abd0e821f9 |
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font_02_sfnt_off00013ad8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AD8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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