MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was identified as malicious by a ML classifier and ClamAV, flagging it as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites and disposable domains, suggesting a link farm designed to redirect users to malicious content. The document body was unreadable, but the heuristics strongly indicate a phishing or redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9930
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://ontis.sk/editor_uploads/system/files/52036595901.pdf In PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614b6d619ed5d---wipinedibi.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/8002fa946ef6ee6853d218ae9b5e5f25/53000249778.pdfIn PDF document text
- http://spiregene.com/image/files/20211002_111034.pdfIn PDF document text
- http://diakmelo.hu/ckfinder/userfiles/files/bexina.pdfIn PDF document text
- http://labuchedeberce.fr/userfiles/file/gilozenuzonijugavumemubut.pdfIn PDF document text
- http://jessie.vn/images/ckeditor/files/pejugopajavawusevodezeti.pdfIn PDF document text
- https://ciela13.leaddeehub.com/userfiles/files/57953330373.pdfIn PDF document text
- https://vnmmalta.com/userfiles/file/lepate.pdfIn PDF document text
- http://balade-pierry.fr/userfiles/file/98786126447.pdfIn PDF document text
- http://kimyasaldubeller.com/upload/ckfinder/files/59703531078.pdfIn PDF document text
- http://markfarolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/27962651422.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/161610ba92bb1c---xifoximeluzusonezomewime.pdfIn PDF document text
- http://acm-medicali.it/userfiles/files/24754044402.pdfIn PDF document text
- http://kiapelhrimov.cz/UserFiles/File/42794148361.pdfIn PDF document text
- http://portaldeaquidauana.com.br/ckfinder/userfiles/files/33743422080.pdfIn PDF document text
- http://gojjang.com/uploads/files/xutekete.pdfIn PDF document text
- http://artin-intranet.com/ckupload/files/mudilulinupakolujugin.pdfIn PDF document text
- http://artanuji.ge/admin/ckeditor/ckfinder/userfiles/files/34912500695.pdfIn PDF document text
- https://rainbowprinter.com/app/webroot/files/file/tedanuwejaleweresetu.pdfIn PDF document text
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/161450d22d960e---1116343291.pdfIn PDF document text
- https://automatisme-portail-bordazzi.fr/userfiles/fichiers/vifibetolixomakibizoligo.pdfIn PDF document text
- https://purevdavaa.mn/uploads/ckfinder/files/kojesozuvetirurefosa.pdfIn PDF document text
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1615d873a27dde---xevemufoj.pdfIn PDF document text
- https://gitteszoneklinik.dk/ckfinder/userfiles/files/28298336588.pdfIn PDF document text
- https://derechosenred.org/aym_image/files/rozubanuworubobadilowok.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=american+national+anthem+notesPDF 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_off00015383.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15383 | 10476 bytes |
SHA-256: 40b8ca77fe3ef237b8d132d4553d1f88d1f2cf19077b8837302b3ec56189264a |
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font_01_sfnt_off00016b1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16B1D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001832f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1832F | 24496 bytes |
SHA-256: b2d57319897b2b600d3a2bbe827d1f5aec0e9fbdb885f0a2e250b1a1cc59e9f6 |
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