MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and multiple external URIs, many of which point to compromised WordPress sites. The 'SE_BROWSER_INSTALL_LURE' heuristic indicates the document attempts to trick the user into installing a browser extension or update. ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature. The embedded JavaScript likely facilitates the execution of malicious code or redirection to a phishing site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9834
Heuristics 8
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/sdahhf2v8khi3jof0jknsl9122/21871170549.pdf
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071218523f5d---jalatuzafedovorowubaxo.pdf
- http://antwerp-reefer-tournament.be/argt/files/26831338277.pdf
- http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160946d707d3c8---manidonikunovukile.pdf
- http://trendymamy.pl/userfiles/file/20923541709.pdf
- http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210503021207318624fel0of.pdf
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d4f3681314c---10019768340.pdf
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160731cd0b574a---fajarolozugudateda.pdf
- http://stolizstekla.ru/userfiles/file/gomugonopazakevovogu.pdf
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082264764de2---89034249660.pdf
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092247d0b217---xuded.pdf
- https://momsgardenfoods.com/ckfinder/userfiles/files/64013351433.pdf
- https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/bf4d1e67de52165c1ad5ae9e2e8f1dd1/bajivuvotakajukobe.pdf
- http://alpha-cp.com/userfiles/file/49732575283.pdf
- http://jullien38.com/ressource/site-image/files/wepoberawizoparonano.pdf
- http://poltinik.ru/userfiles/file/20174976816.pdf
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aac4c69d683---13934431140.pdf
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160c283a9ee4e9---21794469605.pdf
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607992b1afbdf---guketilorobepabitewezeji.pdf
- https://mvpartners.be/images/uploadedimages/file/26041194626.pdf
- https://qpshouse.com/upload/image/file/4686579457.pdf
- https://xlspandoek.nl/userfiles/file/20262624469.pdf
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/160f3656c6be1c---fotepivej.pdf
- http://thecreditcrisis.net/clients/73966/File/10499033173.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=text+identifier+from+pdf
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00015d7d.bin65d2db144c93b891c93abceb9cadbdce46e75894cf1fc40aca2f2412ebf6d896 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15D7D | 16200 bytes |
font_01_sfnt_off0001734a.bin72e75ec1e314326cd24ead103f75bf5168992dda6f9e0035f827a3390f2bdb04 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1734A | 18676 bytes |
font_02_sfnt_off0001a557.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A557 | 16792 bytes |
font_03_sfnt_off0001bd6e.bin686262da144d1d3f76cdf3f1b1ea5bf5fd90c4c602d578e4ce118f11175948c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BD6E | 10348 bytes |
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