MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised WordPress upload directories, suggesting a link farm designed to distribute malicious content or phish users. The presence of these links and the compromised hosting indicates a tactic to obscure the true destination and leverage potentially untrustworthy sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9158
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 http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed3680c2df---2981610157.pdf In PDF document text
- http://canyonoaksmtg.com/~duckdi5/canyonoaksmtg.com/content/file/19820135633.pdfIn PDF document text
- http://neurooperations.com/ckfinder/userfiles/files/73011762046.pdfIn PDF document text
- http://pusancard.com/userData/board/file/65083701597.pdfIn PDF document text
- http://erisalaw-chicago.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/ludope.pdfIn PDF document text
- http://myappartement.de/web/editor/files/8239002146.pdfIn PDF document text
- https://iohrp.org/f_files/files/77497603294.pdfIn PDF document text
- https://sdhouse.info/ckfinder/userfiles/files/7510312422.pdfIn PDF document text
- https://akrmedia.no/ckfinder/userfiles/files/81531467949.pdfIn PDF document text
- https://used-machinetools.ro/app/webroot/files/userfiles/files/8114387787.pdfIn PDF document text
- https://polaria.cz/images/file/68592373575.pdfIn PDF document text
- http://zgkimsteszew.pl/img/upload/files/41083918529.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614083493ba3a---ruredamegogeropijun.pdfIn PDF document text
- https://pesonabali.dswip.com/ci/userfiles/files/80540417462.pdfIn PDF document text
- http://friulanapanini.com/images/file/girufilaxopataw.pdfIn PDF document text
- https://macintosh-szerviz-javitas.nuttydog.hu/ckfinder/userfiles/files/wamokulomaxukenesesaxiwo.pdfIn PDF document text
- https://barcelonamedicalcenter.com/files/galeria/files/91746469503.pdfIn PDF document text
- http://avandcie-automation.fr/ckfinder/userfiles/files/32083844500.pdfIn PDF document text
- http://caminodesantiagoenmoto.com/assets/ckfinder/core/connector/php/uploads/files/11685472286.pdfIn PDF document text
- http://devitohomesorlando.com/userfiles/files/gadeweli.pdfIn PDF document text
- http://delve-cr.com/uploads/gisede.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613c0a1427c4a---kitowesokefobajire.pdfIn PDF document text
- https://www.comperat-89.fr/ckfinder/userfiles/files/telesi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=watch+vampire+knight+season+1+episode+1+online+freePDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e082.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE082 | 11272 bytes |
SHA-256: 3b4106556928f479349435c15e24f01905f33df528ddc0bff7e4938df59c947f |
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