MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external links, many pointing to compromised WordPress sites and disposable domains, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for distributing a second-stage payload via the link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
Heuristics 7
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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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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://catamma.ru/uplcv?utm_term=foreign+body+giant+cell+granuloma PDF link annotation
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/520ad7ad9ba64975def87e4655740f9a/kixenotele.pdfIn PDF document text
- http://simmsfamilyreunion.com/clients/9/98/98d47f1658d09d39d77ba56043454c9c/File/bozowinasuwox.pdfIn PDF document text
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a75994c2b5a---rirarozisosomilori.pdfIn PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2d4645340---66189750156.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/16098401376270---bakuvigatev.pdfIn PDF document text
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/a433cf5bd78fd7481a6abe21e9752eeb/katuxejasibikasobepokenix.pdfIn PDF document text
- https://rieker-consulting.eu/files/file/785625579.pdfIn PDF document text
- https://we-plus.tw/ckfinder/userfiles/files/botixuxobatatufod.pdfIn PDF document text
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607784c5f010d---danepowupofijatibapefa.pdfIn PDF document text
- http://donahoelawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rusugunapisibexenedumosiz.pdfIn PDF document text
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/233d1980979934ab3f3fb3776d8f6e3a/vugobemoxinujabutirerag.pdfIn PDF document text
- https://all-stage-meditation.tw/uploads/files/61146507f047c.pdfIn PDF document text
- http://kxnjl.com/userfiles/files/lonobutomoximetomifukabir.pdfIn PDF document text
- http://pk.mo/userfiles/file/78001231512.pdfIn PDF document text
- http://ottotech.center/userfiles/file/16525383806.pdfIn PDF document text
- http://yejida.com/userfiles/file/97793374077.pdfIn PDF document text
- http://paintmaster.hu/js/ckfinder/userfiles/files/78403653161.pdfIn PDF document text
- http://kotolantopeni.cz/file/18958923417.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608325252f695---90260891344.pdfIn PDF document text
- http://medtravel.pro/images/hand_uploaded/files/5604526417.pdfIn PDF document text
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/2f5447f6331db2f3d78096c44faeb266/wifovetatogibidazes.pdfIn PDF document text
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/087f2e03fd06f9787b7b3afa6752153d/35198672350.pdfIn PDF document text
- https://koparieshorvathbusz.hu/files/file/renenokux.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In 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_off0000c889.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC889 | 16792 bytes |
font_01_sfnt_off0000e0a0.binf1941dd4112b4fd0633b11be99db2765bcef1670158e9c13f8d350c8db9924cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0A0 | 10876 bytes |
font_02_sfnt_off0000f986.binf7e87ab7c50366d3fcf3c4c063be9e68d03b9f5860c75dc1dbff94bca3aa209b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF986 | 17752 bytes |
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