MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution campaign. The presence of a link farm on compromised CMS upload storage further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.8416
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://naszemotyle.natura2000.pl/imgturysta/files/37364521300.pdf In PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd0f1214f52---73751985953.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095c5e9f04ec---8509726178.pdfIn PDF document text
- http://birkhoffhi.com/userfiles/files/xenefogujop.pdfIn PDF document text
- http://rauvuonsach.net/images/uploads/files/10408232985.pdfIn PDF document text
- http://southport1969.com/clients/861680/File/bofise.pdfIn PDF document text
- http://asude.istanbul/ck_images/files/falotigifavaduvibenevev.pdfIn PDF document text
- https://cristalensi.com/public/File/sukuxuw.pdfIn PDF document text
- https://galerieportelouise.be/userfiles/files/dazetomesizivu.pdfIn PDF document text
- http://limuzine.md/userfiles/file/tabulizederug.pdfIn PDF document text
- http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/n7v2i1ltppvefcalkrcva7m3rl/wonubete.pdfIn PDF document text
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160864b45f0348---jevovodegozudana.pdfIn PDF document text
- https://cherrychile.cl/cherry/uploads/contenido/files/52284714950.pdfIn PDF document text
- https://rdsdealers.com/ckfinder/userfiles/files/faxezimopasul.pdfIn PDF document text
- http://vector-mebel.ru/uploads/files/soxom.pdfIn PDF document text
- http://hy-concrete.ru/d/files/dodibutitaleluweze.pdfIn PDF document text
- https://namdolove.com/FileData/ckfinder/files/20210903_53285B1097128AB5.pdfIn PDF document text
- https://bkht.vn/userfiles/file/gifuvoxoveratikotevibiw.pdfIn PDF document text
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a9f1015ec56---18258337028.pdfIn PDF document text
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1609222b551194---zajerarafezivaxilesex.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160e65258ce9b2---xametagivibuwajipiraxemi.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b53a48667e---vaxopaj.pdfIn PDF document text
- https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/2f316e0fbe090419316cd15cf9dc56b4/puruvam.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a869ef8e26b---sigewuramaf.pdfIn PDF document text
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/zapelakinisuxofo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=executive+summary+pdf+examplesPDF link annotation
- 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_off0000d1c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1C6 | 17984 bytes |
SHA-256: 496f85adde3f9bd1adacd22bfd39870d587b5a95caef7da1318536c1b466af02 |
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font_01_sfnt_off0000fff1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFF1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011808.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11808 | 10920 bytes |
SHA-256: 77f0db904b972738dbfcd772b22afd7400248ee8cd162639998525df7ff2a885 |
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