MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and numerous external URIs pointing to compromised websites, including a link farm on disposable hosting. The primary function appears to be redirecting users to malicious sites, likely for phishing or to download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.6941
Heuristics 7
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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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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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://ketchas.ru/uplcv?utm_term=the+triangle+has+three+sides PDF link annotation
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608164e9dba2c---ribozorokutazijodus.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a598c2a5202---5914207752.pdfIn PDF document text
- https://alice-immo.com/userfiles/file/96933333467.pdfIn PDF document text
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e880235b4ac---30402686805.pdfIn PDF document text
- http://gapoom.com/upload/fckeditor/file/91597155723.pdfIn PDF document text
- http://6nergy.fr/6nergy/sites/default/user/file/19641792568.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160705d63053ff---zojokakos.pdfIn PDF document text
- https://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/85d2148b0b65464399492df2af65bdf4/4014213371.pdfIn PDF document text
- http://finemetal-cn.com/upload/files/65592637794.pdfIn PDF document text
- https://austarpharma.com/upload/files/kegolexamugazatiwi.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/m0sgmgat7qel4v9oco9d6or277/texagid.pdfIn PDF document text
- http://hanart21.com/files/userfiles/file/768608008.pdfIn PDF document text
- https://bitree.ru/ckfinder/userfiles/files/51784112033.pdfIn PDF document text
- http://yh-nutri.com/filespath/files/20210822091220.pdfIn PDF document text
- https://sitpchemcieszyn.pl/_sitpchem/file/pipov.pdfIn PDF document text
- http://studiorinaldibedin.eu/userfiles/files/vemadevu.pdfIn PDF document text
- http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/6379867075.pdfIn PDF document text
- http://iwilldoit.ru/uploads/files/files/66161791553.pdfIn PDF document text
- http://jongauger.com/ckfinder/userfiles/files/betipagijinena.pdfIn PDF document text
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/1c2c0a42e2fa14c2095fab48d03f1cc3/fugab.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16073a2988a5c7---34978182886.pdfIn PDF document text
- http://unicaconsultoriarh.com/images/files/gosizexenutel.pdfIn PDF document text
- http://officinedesign.it/userfiles/files/lupivuginatijil.pdfIn PDF document text
- http://ukonlinedirect.com/userfiles/files/22601075663.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_off0000dca3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCA3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f4ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4BA | 10372 bytes |
SHA-256: 73827a4659d9a20d8aac3fb5ed535d22d413bb360540657eb1e4ad614c753b77 |
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font_02_sfnt_off00010bdf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BDF | 19368 bytes |
SHA-256: cb1c1149e637765c373f50deb70d5db02325a54ba46fa6b92a3fdb6698e51bb6 |
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