MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF contains embedded JavaScript and numerous external links, many pointing to compromised CMS uploads, indicating a malicious intent to redirect users to potentially harmful content. The ClamAV detection and ML classifier strongly suggest this is a phishing or trojan delivery mechanism. The embedded JavaScript likely facilitates the redirection or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://irlanc.ru/uplcv?utm_term=hotel+cecil+ghost+adventures+full+episode
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/02364428d0d1312a98db7de26f28f634/gomujokawuxufivux.pdf
- http://amesonsofallen.org/clients/53156/File/vegajemebameb.pdf
- https://questyme.ca/userfiles/file/7720438800.pdf
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c8ddfd30ce5---vonivove.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/46e392187cb8e78fe4913f15d58001ec/nuwogijugojibejomedipoxa.pdf
- https://discoverthesky.it/file/4458069412.pdf
- https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/cc160a00e13d194684ecbdf1565da6ff/jatim.pdf
- https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/q48ek7v96ofpg3hts3t4a9ppib/sijovina.pdf
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/16093159b03538---14106913195.pdf
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/rsto7qaniu2deok9k606nnb5s5/zukuroxodogizasu.pdf
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c258149f9a5---loxavopofapo.pdf
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a346fc39a32---paruxevirajarunokebabo.pdf
- http://docando.es/js/ckfinder/userfiles/files/xemiwi.pdf
- https://rittenhousesmiles.com/wp-content/plugins/super-forms/uploads/php/files/9adbae5941561a90baa3e8dacbc758d9/39901142149.pdf
- http://benardoutlite.com/admin/fckeditor/fckdata/file/51728227049.pdf
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a4a2e018128---xejexutolojopidiputireno.pdf
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160892095cdd8b---36043273571.pdf
- http://aelma.com/sites/default/userfiles/file/sawuxegofolubozipepipura.pdf
- https://inncredel.com/uploads/remivabetot.pdf
- https://seikai.jp/free_images/files/37361269186.pdf
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/160ce35e2798ec---29688144686.pdf
- http://www.skk.com.hk/admin/ckfinder/userfiles/files/pemugerinumugojemufutofa.pdf
- https://vate-tire.ru/wp-content/plugins/super-forms/uploads/php/files/f12771694bb4a6f2c99559002b881b6a/95567188153.pdf
- http://busankid.com/webfiles/board/file///83055877657.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_off0000f8e5.bin854fe17f36a2bfc2565ce93ae16caa530df2c641613791e598be96bca717aa62 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8E5 | 19212 bytes |
font_01_sfnt_off00012a7d.bin44fed1950b562d440d8159992e2d405060ada591b819c68a24dff22793889616 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A7D | 11056 bytes |
font_02_sfnt_off000143f9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143F9 | 16792 bytes |
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