MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
This PDF file was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV, indicating malicious intent. The 'SE_BROWSER_INSTALL_LURE' heuristic strongly suggests the document is designed to trick users into installing malicious software by posing as a necessary browser update or extension. Numerous URLs were extracted, many pointing to compromised WordPress sites, which likely serve as download locations for the malicious payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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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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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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://archism.ru/uplcv?utm_term=literary+devices+sheet
- https://xn--mietkndigungsrecht-best-gpc.de/userfiles/file/dumamamujumune.pdf
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/423isuvthql56r6blsbr3vk4s9/dogagabukekovoro.pdf
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/160764ac8cbda2---lixijegimasojisusev.pdf
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ebc1365398---48281831530.pdf
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/silfusc10to8pg4jb6evskism6/farirogaralizesovu.pdf
- http://anneadamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/timodalivilixebobafuwig.pdf
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160959b1f0d461---64300633711.pdf
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2dbe39d96d---13628455649.pdf
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/49845f354e8ceaa99a3c5a3b45875617/20967909792.pdf
- https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/e60c570a810fce0815d03abd45b5f9c2/wilutagatewutiribenomoli.pdf
- https://gonguyenkhoi.vn/upload/files/nekojokaxevoniwizilobuxe.pdf
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/b740d99c69383d425b60a237a692ca57/liwimires.pdf
- https://dimensioninteractive.com/WYSIWYGImage/file/rituwikumidutedijopa.pdf
- http://adveotec.com/img/file/64021444952.pdf
- https://datajournonepal.org/files/japazananawadegature.pdf
- https://realschoolspirit.com/scauserfiles/files/28635168978.pdf
- https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/4996df5849e0c2d3391dafac99864669/27485823359.pdf
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4f3f1da73---kovaxaralisusidut.pdf
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160c8ed07569f1---dofiwikul.pdf
- http://pogotowienaukowe.com/Upload/file/93339312172.pdf
- https://anmimar.com/royal/userfiles/file/44706278959.pdf
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c2ed41be803---likojiro.pdf
- http://adabaskimerkezi.com/upload/file/87161534670.pdf
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609263d81987b---43628517538.pdf
- https://invest.pl/userfiles/file/58543359928.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_off00011797.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11797 | 16792 bytes |
font_01_sfnt_off00012fae.bindccfc4d594cd5d72133dd153d9a8fc9fb8aebbe29f19790aaaf12f93f3375eda |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FAE | 10336 bytes |
font_02_sfnt_off00014725.bin65bb4b021fd76ed07a0b85650ce9ca7e2aa7dee02c3172bbb6b8fa56c010ecd0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14725 | 17616 bytes |
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