MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate the PDF contains a link farm pointing to multiple domains, some of which are hosted on compromised CMS uploads or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and the overall structure align with techniques used to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://garglob.ru/uplcv?utm_term=thank+you+funny PDF link annotation
- http://simpelms.nl/userfiles/files/24163725606.pdfIn PDF document text
- https://cicimanis.com/contents/files/19199716997.pdfIn PDF document text
- https://ekransamara.ru/files/6378642013.pdfIn PDF document text
- http://sadiqandsons.com/userfiles/files/tabosuwekoveluvedux.pdfIn PDF document text
- https://www.khaosanpools.org/ckfinder/userfiles/files/21575723551.pdfIn PDF document text
- http://tingchucontrol.com/Uploadfiles/files/nibizamepekiga.pdfIn PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/161532d16a6730---41160027726.pdfIn PDF document text
- http://panziofabian.hu/fck_kepek/72774891946.pdfIn PDF document text
- https://www.sacict.or.th/ckfinder/userfiles/files/jobapogekakezowo.pdfIn PDF document text
- http://suaups.net/userfiles/file/7815551858.pdfIn PDF document text
- http://santamariamikado.com/uploads/files/21819749678.pdfIn PDF document text
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/161497637f4173---fejewuzipokozibomen.pdfIn PDF document text
- https://www.tocbirsen.org.tr/ckfinder/userfiles/files/50064979719.pdfIn PDF document text
- https://himalayanespresso.com/espresso_ckfinder/userfiles/files/82257344727.pdfIn PDF document text
- https://immsac.pe/sgi_userfiles/userfiles/files/38598540177.pdfIn PDF document text
- https://viboot.traigiongthuha.com/ckfinder/userfiles/files/40317926068.pdfIn PDF document text
- http://fusiongrup.ro/userfiles/file/421975073.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145a0280e194---86356118675.pdfIn PDF document text
- https://eravukappalpalli.com/userfiles/file/25632878709.pdfIn PDF document text
- https://youkuvpn.com/upload/files/41447139484.pdfIn PDF document text
- http://xn--90aoaidn.xn--p1ai/ckfinder/userfiles/files/96758608143.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_off0000ac04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC04 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c416.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC416 | 14696 bytes |
SHA-256: 498ef4d607f09db70281ab99b6324ccaaff6a3b3109296b709678af7089fdbe4 |
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font_02_sfnt_off0000e8b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8B9 | 9944 bytes |
SHA-256: 25282bfd73db4ae50948386b21f7526c4afa9201047a384a600cf97b759f1842 |
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