MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier further support its malicious nature, likely serving as a lure for phishing or to distribute further malware. No scripts were extracted, but the structure and URL patterns are indicative of a malicious distribution or phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.5661
Heuristics 5
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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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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://berbagiangka.com/contents/files/dadexufimonusenaxunigero.pdf In PDF document text
- https://marosme.ro/hirek/file/kabif.pdfIn PDF document text
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/161364cf965e64---70058883014.pdfIn PDF document text
- http://grafichesirio.com/userfiles/files/26563711288.pdfIn PDF document text
- http://tunesistudio.eu/userfiles/files/magolejujibutemojugunibud.pdfIn PDF document text
- https://carlojans.com/cms/file/karunodirije.pdfIn PDF document text
- https://astefin.ro/ckfinder/userfiles/files/ralesixupolewuzolusuxa.pdfIn PDF document text
- http://montazerangroup.com/uploader/file/wamemitodun.pdfIn PDF document text
- https://economiadecomunion.net/ckfinder/userfiles/files/kopotopija.pdfIn PDF document text
- http://jjmcp.jp/userfiles/Image/file/82658914101.pdfIn PDF document text
- http://lctrading-gmbh.com/ckfinder/userfiles/files/93659371049.pdfIn PDF document text
- http://lifecare4all.com/upload/files/1166412196.pdfIn PDF document text
- https://panificioilcavaliere.it/userfiles/files/baruvulefazadapeja.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161344c7cb45f7---surimudamuliwavilaruzo.pdfIn PDF document text
- http://www.solarwindependence.com/ckfinder/userfiles/files/tugowagizifarudinizip.pdfIn PDF document text
- http://goldmustang.com/files/files/77212334338.pdfIn PDF document text
- http://jamesandsons.ca/userfiles/file/4383425142.pdfIn PDF document text
- http://webinaris.org/ckfinder/userfiles/publics/files/tiduvemorokow.pdfIn PDF document text
- https://starfoil-mail.nl/uploads/wysiwyg/verodu.pdfIn PDF document text
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614e1b36ed97c---67707926820.pdfIn PDF document text
- http://soepcentrale-dekeyser.be/userfiles/file/mefukan.pdfIn PDF document text
- http://antasboru.com/guvennet/resimlerfiles/xanujozonejemag.pdfIn PDF document text
- https://martan.es/cenavarra_userfiles/files/lolepisovibexasix.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dde2e7b6e0---4006610661.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=common+sense+pdf+bookPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b1cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1CF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c9e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9E1 | 16312 bytes |
SHA-256: 7ba9303fa6fe71c2f31d63b33222e1ae1c2aeea12e9e23e9edb4b5eb872f2392 |
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