MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The PDF contains embedded JavaScript and multiple URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a phishing or malware distribution scheme. The 'SE_BROWSER_INSTALL_LURE' heuristic indicates the document's content is designed to trick users into installing malicious software disguised as a browser update or extension. The embedded JavaScript likely facilitates the download and execution of a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9829
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://synerhu.ru/uplcv?utm_term=tagalog+anime+hd+apk
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/161301a408840d---lageves.pdf
- https://safewatersolutions.in/ckfinder/userfiles/files/65021208831.pdf
- http://ersatzmonitor.de/userfiles/file/vegasasedemobapuginot.pdf
- http://resumesfromabove.com/userfiles/file/12636976333.pdf
- https://bevasilicones.in/userfiles/file/16545470917.pdf
- http://valkexclusief.reviews/app/webroot/files/userfiles/files/wegesozuvelonolivotenekin.pdf
- http://casaperugia.fr/userfiles/file/99786801900.pdf
- http://swaving-stalinrichting.nl/ckfinder/userfiles/files/tizuwazuvodazadojosuduni.pdf
- https://hram-uspeniya.ru/ckfinder/userfiles/files/44080506527.pdf
- https://aneri12.eu/res/file/wevomugomo.pdf
- http://gima.ge/admin/ckeditor/ckfinder/userfiles/files/gagivamamax.pdf
- http://metrocars.london/survey/userfiles/files/72923365144.pdf
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/6pplmha5ercir8980vtjj85806/wuxutovowevosok.pdf
- http://brenna-ski.pl/userfiles/file/14597069705.pdf
- https://mtmhomeschool4art.com/mycms/uploadedimages/editorUploadedImages/file/62341859696.pdf
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1613062b552ecb---4898357014.pdf
- http://loaamtran.vn/files/usersfiles/files/sakajemifebo.pdf
- http://jyjwqj.com/uploadfile/file///2021091315132136.pdf
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135e1278858a---98547051551.pdf
- https://kaxtongroup.com/home5/maxconne/public_html/kaxtongroup/assets/images/newspostimages/files/pigibomekevukexuvonot.pdf
- http://gaishachuukobuhin.com/js/upload/files/fumad.pdf
- http://asesorgubernamental.com/images/file/xarixoxebutekiradatoto.pdf
- http://njboyuanchem.com/upload/files/wasuzanudamugejevilep.pdf
- http://rebeccafantarchitetto.it/userfiles/files/48429926577.pdf
- http://tienhasteel.com/app/webroot/upload/files/15554690427.pdf
- https://mundolibre.cl/uploads/userfiles/files/vopabiwexofabejubefidafe.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_off0000cbcd.bin46bd5bcb2af69dcfa7323f2bce57d9597770a8b2937bbe24139b2dd535965f06 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBCD | 17804 bytes |
font_01_sfnt_off0000fa56.bina0cd0fa33689e5fef821af5c0dfa2a9692a9241c9752cd955418ee3c087b870a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA56 | 10528 bytes |
font_02_sfnt_off000111d2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111D2 | 16792 bytes |
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