MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple external URLs, some of which are hosted on compromised CMS uploads. The presence of numerous PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this. While no scripts were explicitly extracted, the nature of the links suggests a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://infrive.ru/uplcv?utm_term=medical+books+online+pdf+free PDF link annotation
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2d851d900---dibupufejabe.pdfIn PDF document text
- https://thuaphatlaihanoi.net/uploads/files/47562132322.pdfIn PDF document text
- http://sevinctekstil.com/resimler/files/33484520664.pdfIn PDF document text
- http://sovaimm.it/userfiles/files/tezuzowakonotosedatubunu.pdfIn PDF document text
- http://creative-format.com/upload/editor/files/vewujiwogu.pdfIn PDF document text
- http://thriftstorewebsites.net/flash/thriftstorewebsites.net/file/66511946914.pdfIn PDF document text
- https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/dccbce03ac45f994b47551d0b8799a15/numiviw.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca5ee349f5---86023890425.pdfIn PDF document text
- http://ohappy.org/userData/board/file/kozazibafoxujisid.pdfIn PDF document text
- https://kaimano.it/file/91327762032.pdfIn PDF document text
- http://szymonadamczyk.pl/uploads/fck/file/texiluku.pdfIn PDF document text
- http://togul.org/sites/default/files/file/50606636481.pdfIn PDF document text
- https://avenue102.com/uploads/file/8361967781.pdfIn PDF document text
- http://letsbelegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zotizanejipefetujawufe.pdfIn PDF document text
- http://tauroconsulting.pl/userfiles/file/26548554276.pdfIn PDF document text
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/cf1739566a4364d9e66b3f2356dafe64/29861408539.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/q6lo0iuqkcbfhrifj9d9rgccb7/kezulelavajidiro.pdfIn PDF document text
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd086685e9---46441335700.pdfIn PDF document text
- http://agendaalzheimer.org/files/galeria/files/96615058561.pdfIn PDF document text
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16094b58402d58---60862339584.pdfIn PDF document text
- http://k9careclinic.in/ckeditor/ckfinder/userfiles/files/87959374135.pdfIn PDF document text
- http://ipsaix.com/ckeditor/ckfinder/userfiles/files/9818172082.pdfIn PDF document text
- http://yuanjen.com/ckfinder/userfiles/files/28847748493.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/1acqe2bu8utatrq1k7amufbpl7/kukujazimanorisug.pdfIn PDF document text
- http://hytechplus.com/userfiles/file/97272202386.pdfIn PDF document text
- https://foodphotoshop.com/userfiles/files/wibisokede.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_off0000d778.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD778 | 10740 bytes |
SHA-256: bd46f16775eb8e165375ddca0c05e43b3b05122ff6a4a8810761fa21065fa993 |
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font_01_sfnt_off0000effa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFFA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001080c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1080C | 16528 bytes |
SHA-256: 270979a3f8a25e41f72697abfe90571ed55f683ce2d30d0740d766d9dd39e164 |
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