MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript, which is a common technique for executing malicious code. The heuristics indicate that the PDF acts as a link farm, directing users to multiple compromised websites and disposable hosting domains. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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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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://morethancleaningservices.com/wp-content/plugins/super-forms/uploads/php/files/0a3e0dca44b27dc3ab2c773aded3a0e4/jomavaxusefokoruxuvufula.pdf
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608b759d9ba91---85926842140.pdf
- http://alpha-th.com/userfiles/file/83776040266.pdf
- http://e-skala.pl/userfiles/file/50482892571.pdf
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086ff9a40c7f---90622872307.pdf
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084fb8ee57d7---66016082297.pdf
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/b94e0710e060d1e6457ce79bbeb00edd/vesadurudirajebesilaw.pdf
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/47bf0571fd538c91aecd63651324087d/99229924454.pdf
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/b8d5119b5e0967e2b27fd037efef3f4b/sofafuvupul.pdf
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/d9ded5f3c14c33dcaef4c2fe8e140b79/93389346679.pdf
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/7b693841cff7772cfda8c233b0fded75/69121459400.pdf
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/982b321e03affcccbac0c4e4fcf5cdc7/xusaxezewarumotekipazib.pdf
- http://caopump.com/admin/userfiles/file/84439528779.pdf
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c2e0924a20---72172341102.pdf
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/0d2bdc910c5feccd8633221578e2c9bf/41248727431.pdf
- http://gostinica-domodedovo.ru/files/85547946177.pdf
- https://hgb.se/filer/file/24639827230.pdf
- http://3e-recycling.ru/app/webroot/filesfiles/sogopivolofawujimexojefa.pdf
- http://lncxjzxxw.com/upload_fck/file/2021-5-23/20210523233355849175.pdf
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094ec7353dfc---gevinovavesikavogiras.pdf
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16071635235578---87218405377.pdf
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/237a775b0b3c7e810bd21fbd59fd3395/72602372402.pdf
- https://whitesal.com/data/images/file/5616_20210606075038.pdf
- https://khanikango.in/file/42580509472.pdf
- http://skyrun-arser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210613200409525416pij8o1.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=when+does+a+dog+have+its+first+heat
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef06.bind47de181cd805a1667b2b65c4a62df102e7033f9101f8b8a6dc351a57d215a14 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF06 | 16764 bytes |
font_01_sfnt_off00011a87.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A87 | 16792 bytes |
font_02_sfnt_off0001329e.binb594cb02ba43982240e7dab498e309052db0021687a58b2fa4fec34ac7784eff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1329E | 10648 bytes |
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