MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and ML classifiers, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm to distribute further malicious content or conduct phishing. The embedded URLs, such as 'https://coretry.ru/uplcv?utm_term=...', are likely part of this distribution chain.
Machine Learning
- Nyx PDF Classifier malicious score 0.9104
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://coretry.ru/uplcv?utm_term=nueva+gram%C3%A1tica+de+la+lengua+espa%C3%B1ola+morfolog%C3%ADa+y+sintaxis+pdf PDF link annotation
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/oavfe4lb2ociun3rr09v5iddl9/70057703274.pdfIn PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/tohhab0jbvel2s9esqkk63q718/60841269119.pdfIn PDF document text
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/590a62bb34953e970982194a033e1fc9/1359134507.pdfIn PDF document text
- http://jghsclass75.com/clients/f/f3/f322050927ea28328664fd088939ffaa/File/91806847993.pdfIn PDF document text
- https://bedandbreakfastchia.it/userfiles/file/torebofavumaguzip.pdfIn PDF document text
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160beb673b3fd1---wololewemuluxatokonop.pdfIn PDF document text
- https://implant-drill.com/userfiles/file/lawalekutusijuru.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607815d9911dc---sijaxajonagiko.pdfIn PDF document text
- http://brainbond.ro/userfiles/file/67170052480.pdfIn PDF document text
- http://cristalensi.com/public/File/tezukazax.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1608adcfb933fc---98447635043.pdfIn PDF document text
- http://www.tomasjelinek.com/img/pub/file/xefudababaxikavagakamotuz.pdfIn PDF document text
- http://xn--xhq021fvrwdth.com/d/files/35237425046.pdfIn PDF document text
- https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/3cf0af4a8bf4e2420a4445851b5958bd/rarixuravekaw.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160a7142454696---zulofiruxawofusawef.pdfIn PDF document text
- https://cavalier-hundezucht.ch/userfiles/file/41067151567.pdfIn PDF document text
- http://ztkammer.at/uploads/file/3042850024.pdfIn PDF document text
- https://thietkeweblongan.com/upload/files/tolokemosidakidares.pdfIn PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/7a8f0158441b6b44d2a13f9d635f6072/97857233689.pdfIn PDF document text
- https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/471f97fc796c240d22822bf0a2ad0719/risororozatalevukovigiva.pdfIn PDF document text
- http://chrisdepanneservices.fr/Sites/cds/files/gurujuxuvefurutamolalofa.pdfIn PDF document text
- http://arcomproltd.com/userfiles/file/88593804722.pdfIn PDF document text
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160943420a7f6e---57775475868.pdfIn PDF document text
- http://archinfo.ru/uploads/file/18216415831.pdfIn 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_off000152a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x152A4 | 16448 bytes |
SHA-256: 0e4cde3d5bdd5452960de995a4807c8da4ec665155a9812e2f8e54e6c49b7878 |
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font_01_sfnt_off0001697e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1697E | 11768 bytes |
SHA-256: 5afccb6f5836a71f2b7b2064d0b6a5a553f3c8ec1caa554127d574c793312653 |
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font_02_sfnt_off000184c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x184C4 | 20344 bytes |
SHA-256: 5d1ac968b2edabd5a86bebbfb65e8371761f037a232436f548680e0a5a319cd5 |
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