MALICIOUS
132
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF document containing embedded JavaScript, which is a common technique for exploiting vulnerabilities or delivering malicious content. The PDF also features a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to redirect users to malicious payloads. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature, indicating it's likely a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier suspicious score 0.4597
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/bc6f98d3f63efa59cf7f92104c7b3b29/79225455720.pdf In PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1611ec3f5e9c9b---93710505929.pdfIn PDF document text
- https://am-system.eu/ckfinder/userfiles/files/96364571272.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bea2df09011---42824899467.pdfIn PDF document text
- http://orem.mn/uploads/files/80068281228.pdfIn PDF document text
- http://jongauger.com/ckfinder/userfiles/files/62821224317.pdfIn PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/cbec253b20e11dd4b21cf22ae681f3a1/11583334969.pdfIn PDF document text
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/19ce0c322450cd9f58aef5b4bd238d37/mamofubad.pdfIn PDF document text
- https://dolnoslaskialarmsmogowy.pl/imgturysta/files/simukozilex.pdfIn PDF document text
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba7575624a---wozidewe.pdfIn PDF document text
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/78c018513f8525a64fc7df0825a9e262/31574989227.pdfIn PDF document text
- http://kammatrans.com/userfiles/files/vujogakulebubikepesi.pdfIn PDF document text
- https://editions-tlp.fr/ckfinder/userfiles/files/98276264898.pdfIn PDF document text
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d356d2ac29---98609644997.pdfIn PDF document text
- http://highendschmiede.de/highendfiles/file/80971231216.pdfIn PDF document text
- https://drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607365408921f---72376725892.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0e703d04c5---6495265567.pdfIn PDF document text
- https://ckmandarin.com/uploads/7622387373.pdfIn PDF document text
- http://abimobiliare.pl/pliki/File/26201363856.pdfIn PDF document text
- http://www.vinoplaza.nl/img/upload/files/zitedezisitumasagete.pdfIn PDF document text
- http://deauville.ru/files/file/vufitukadovadeberogux.pdfIn PDF document text
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf3201f6ab---2847290147.pdfIn PDF document text
- http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/717879018.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a3d92cc8c---vifisisuwevopigu.pdfIn PDF document text
- http://clinivetmadonnadirosa.eu/userfiles/files/70834724469.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=unlock+secured+pdf+bluebeamPDF 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_off0000f60f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF60F | 20012 bytes |
SHA-256: 7415194c81325f1fba2537daabe2804940a79406387bf4d2a68ae740b37d4658 |
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font_01_sfnt_off00012ac9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AC9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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