MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable domains, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or distributing further malware. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM specifically highlights the use of disposable hosting and link farms, reinforcing the phishing or distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://huntic.ru/uplcv?utm_term=nova+launcher+backup PDF link annotation
- https://smartstone.ca/userfiles/files/89968969525.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d53ca14f64---jenugetosutu.pdfIn PDF document text
- http://studiopetrilli.it/userfiles/files/bujuzosodokutu.pdfIn PDF document text
- https://equimat-cheval.fr/file/sedofiri.pdfIn PDF document text
- http://dermalab.pl/userfiles/file/dimugib.pdfIn PDF document text
- http://inwallendorf.de/userfiles/file/binerizarenisawuzivipeko.pdfIn PDF document text
- http://gorod-r.com/userfiles/file/ludugunapov.pdfIn PDF document text
- http://elcampoeco.org/FCKeditor/file/gudotijajuworavozu.pdfIn PDF document text
- http://www.hermosabeachbungalows.com/userfiles/files/tijatok.pdfIn PDF document text
- https://cargobull.cz/res/file/jiteda.pdfIn PDF document text
- http://xmzs.org/userfiles/file/32173568496.pdfIn PDF document text
- https://harley.dataroom.tw/upload/files/sovunisuzeri.pdfIn PDF document text
- http://iburgisidimarsala.eu/userfiles/files/riwasimutelitu.pdfIn PDF document text
- http://vitrine-prof.com/files/75895814018.pdfIn PDF document text
- http://hengtongrongshang.com/jingkelun/userfiles/files/20210912011503.pdfIn PDF document text
- http://uniondrygoods.com/fckeditor/userfiles/file/27071676157.pdfIn PDF document text
- https://vargyasnekonyveles.hu/kepek/other/file/70840716663.pdfIn PDF document text
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614240566293d---69851942897.pdfIn PDF document text
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161391dc353c95---nerizivekinepof.pdfIn PDF document text
- https://hantverksakuten.se/ckfinder/userfiles/files/91377503634.pdfIn PDF document text
- http://bordahusfeldolgozo.hu/editor_up/39847884473.pdfIn PDF document text
- http://kbchina.de/upload/23073932277.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_off0000d52d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD52D | 17864 bytes |
SHA-256: 72e33bdf3c12639b8336f2875346bd0f0797037b27ecada39db537579177717e |
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font_01_sfnt_off00010380.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10380 | 10488 bytes |
SHA-256: 7c2132c7f4e73726fddfd69dd6ca79179b6b17045441c3f643d902f5d362328f |
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font_02_sfnt_off00011b15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B15 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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