MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF contains embedded JavaScript and multiple external links, some pointing to compromised WordPress upload directories, indicating an attempt to deliver a payload. The presence of a visual download button further supports a phishing or social engineering lure. ClamAV detection and ML classification confirm its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9904
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://unosms.us/userfiles/file/73323486991.pdf
- https://pilotcenter.gr/wp-content/plugins/super-forms/uploads/php/files/anaiuhtqtb1kdesh6vrtdd7m5l/30917625234.pdf
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607db37b68663---denamiwotupew.pdf
- http://brmxn.com/userfiles/file/20210516084748_ek1voa.pdf
- https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/c566o7fogrqe92d6di152qgt88/jutodi.pdf
- http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608653df5146d---13645068588.pdf
- http://cocoal.com/uploads/file/sesibuzabupe.pdf
- http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210531190113861726vw1ypu.pdf
- https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/doj6fejlc5a67phl37sca7vrh6/fopogunilepebigibovu.pdf
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/c42593e1ed5bcf65275cb24ee8e6ee93/52038150024.pdf
- https://strategieb2b.com/userfiles/file/tefikiwofizutiwulekaliru.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bd6dab8e66a---suvoxodojezog.pdf
- https://leo-translate.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1608c2fdf61a0f---fatax.pdf
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/e5bj0rrv88mgnk10qna3i8jh14/12234069801.pdf
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/3cda796a985e7b23ea8e3849a0ba37f0/25049345841.pdf
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b4978d27b1f---kuxufodudapaxobipis.pdf
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/motdcslu77ctsrb88ag7l8escj/30003372423.pdf
- https://ludifrance.fr/userfiles/file/7551334814.pdf
- https://searchlink.org/userfiles//file/98387142932.pdf
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/vauh9loma7tr82l32fnjp5n10u/xatilaror.pdf
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16076e6e9c871c---fakunatisilopumoze.pdf
- http://grandchainfamilyfoundation.com/clients/85333/File/6887504162.pdf
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6c77af127c---jipak.pdf
- http://asbazainville.org/userfiles/file/nofozegoda.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=reshoots+for+snyder+cut
- 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_off00024569.bin0d1caaeaf799d5dabb72bb79986f10aa298682e76a411a9e575d13f15dd71845 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x24569 | 19836 bytes |
font_01_sfnt_off000278fa.bince426b484ef7a73f24ba7255d3615fe25805941284a8314c8e5a819e50b6e499 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x278FA | 10532 bytes |
font_02_sfnt_off000290fd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x290FD | 16792 bytes |
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