MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple URLs pointing to compromised WordPress sites, indicating a link farm designed to lure victims. ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent, likely phishing or malware distribution. The embedded JavaScript is likely used to facilitate the redirection or exploit vulnerabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
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://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136f60b8f8a3---35283390347.pdf
- https://terrebleue.org/userfiles/file/13560463009.pdf
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ba52fd82d3---wefegokufetog.pdf
- https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/b2427c4da377d342c8ce48bbb76382ee/givijemu.pdf
- http://novosib-sport.ru/ckfinder/userfiles/files/kotizenegolevelefagefet.pdf
- https://prtl.pl/userfiles/file/kobajalivixus.pdf
- http://planet-for-events.de/userfiles/file/81827617054.pdf
- http://shyjjc.com/v15/Upload/file/20219132051444260.pdf
- http://linuxnewyork.com/draft/media/rolonal.pdf
- http://apcmagon.com/userfiles/jabemabolobevuzevibabub.pdf
- http://artepcb.com/upload/files/zawoganajasovojodu.pdf
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/052d30f57ad331b7a6bdbe34906de74e/kuxazigelemamovozoxi.pdf
- http://superfasttv.com/uploads/files/80559699817.pdf
- http://fese.in/ienupdimages/images/files/23474107922.pdf
- http://ibtaker.ps/userfiles/file/fifelotetesimejud.pdf
- https://aaaxxion.info/images/file/96518395578.pdf
- http://sntaviator.ru/ckfinder/userfiles/files/suninudatawivutifumidusog.pdf
- https://silatur.com/js/ckfinder/userfiles/files/39143402509.pdf
- https://khyatiinfotech.biz/ckfinder/userfiles/files/surekibonididozugipago.pdf
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1614b82c56f2ad---gumanet.pdf
- http://sk-massimo.com/js/upload/files/wizik.pdf
- http://thekitchendesignstudio.org/uploads/files/54003071248.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=logo+quiz+level+3+logo+28
- http://crossfit28.com.s125853.gridserver.com/siteuploads/editorimg/file/59707733582.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000aefd.bin865239573fb1af7e37978783d5f180889112fe85f1f83a4870d6afc0e6ce8042 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEFD | 14428 bytes |
font_01_sfnt_off0000d343.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD343 | 16792 bytes |
font_02_sfnt_off0000eb5a.binfced1f217a8c5bd83e14ed3c3c27ecbb28ce2f088545c51aa1d605a5128e75ef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB5A | 10480 bytes |
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