MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was identified as malicious by ML classifiers and ClamAV, indicating it likely exploits PDF vulnerabilities or serves as a phishing lure. The document functions as a link farm, containing numerous URLs pointing to compromised websites that host further malicious PDFs. This suggests a multi-stage attack designed to distribute malware or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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 http://podlahypilat.cz/admin/file/73855510525.pdf In PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fbb5101651---gukelo.pdfIn PDF document text
- http://irinka.org/ckfinder/userfiles/files/bomilet.pdfIn PDF document text
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/65a956c1b30a7fa39b87eabd86f6dc51/nejutitidanaxalali.pdfIn PDF document text
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/2665d2f368ba1b244b2cf2d595722103/lurasosoro.pdfIn PDF document text
- https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/povuvositodapozo.pdfIn PDF document text
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/3nbduak010mhjv7g7c0hu09ubo/fukinowavokuborite.pdfIn PDF document text
- http://educasters.co/ckfinder/userfiles/files/suruwikezegikew.pdfIn PDF document text
- http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/0233214f280defb43f34bfacbcd93fe0/reropod.pdfIn PDF document text
- https://capecoralliving.com/media/file/60160240984.pdfIn PDF document text
- https://nirmalujjwal.com/public/ckfinder/userfiles/files/98843193038.pdfIn PDF document text
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6b555c890d---83582423986.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/paleriwakasuroposobu.pdfIn PDF document text
- https://volpatoebrum.com.br/_common/admin/scripts/ckfinder/userfiles/files/bagawutomexorenuwi.pdfIn PDF document text
- http://mmprogetti.it/userfiles/files/jamozix.pdfIn PDF document text
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f83a8906ab---zavukedozememuxajojapoz.pdfIn PDF document text
- https://realestateconnect.biz/wp-content/plugins/super-forms/uploads/php/files/qhteok6s42r5c8n3q9spm835f2/7721574005.pdfIn PDF document text
- http://okeefesreef.com/ckfinder/userfiles/files/ralexunudanira.pdfIn PDF document text
- http://entrackintl.com/uploads/fofesuzok.pdfIn PDF document text
- http://seamacros.com/upload/file/wizotewikovoboviwij.pdfIn PDF document text
- https://jamisonfurnace.ca/userfiles/files/18476189397.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/9a26d8b7a84124faad20f5522aae2c17/98815754546.pdfIn PDF document text
- http://skiflogistics.ru/userfiles/file/vetepa.pdfIn PDF document text
- http://3e-recycling.ru/app/webroot/filesfiles/93879545566.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bd8884b18f0---44987950254.pdfIn PDF document text
- https://connatlas.com/home/conn/public_html/ckfinder/userfiles/files/23988516353.pdfIn PDF document text
- http://treeoflifetolfu.com/clients/0/07/07f122ebb3396bb3f917f2e62af81596/File/kodegetotajuzalado.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=microsoft+financial+statements+2017+pdfPDF link annotation
- 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_off0000e28d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE28D | 16724 bytes |
SHA-256: a943f6c26cfe06254c4cd435af9b72d440777e7094442072e244987818344cb9 |
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font_01_sfnt_off00010d4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D4B | 11116 bytes |
SHA-256: 3a987d396b6ffaabc94f2df0c9dae494d6bd1b600a5b9fe94501b499c1758ac6 |
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font_02_sfnt_off0001275c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1275C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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