MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The heuristic 'SE_BROWSER_INSTALL_LURE' indicates the document's content likely attempts to trick the user into installing a browser extension or update. Several URLs extracted from the document point to compromised WordPress sites, suggesting a distribution mechanism leveraging vulnerable web infrastructure. No scripts were extracted from this sample, but the overall pattern suggests a social engineering attack aimed at compromising the user's system or credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/d0463ba01e6234ffe548ba73bdca0b01/tozibuzadivirodo.pdf
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606d916350085---26475907886.pdf
- https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/aphj43nl8pqjl3khbcce9qbbb0/nidinelo.pdf
- https://giverny-bkk.com/upload/files/bedegovogakazizedatim.pdf
- http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/sonuwipejudalemurut.pdf
- https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bf2e5ce5ead---vatakujarozovewasowebe.pdf
- http://chothuexeninhbinh.net/data/dulieu/files/20785212851.pdf
- http://samurairamenbar.com/uploads/files/garedav.pdf
- http://larrysiegellaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vimifegiferelositukefepo.pdf
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/115d2555606d7de04a5bbf9eefa87340/99503372985.pdf
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/ea654c01bef3c10676f15fcc015a081a/24952690873.pdf
- http://fairview66.org/clients/866114/File/60234913132.pdf
- http://imcborivali.org/userfiles/file/3698240363.pdf
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/97dfff59c10697c4b776a986aaabbeba/97642653444.pdf
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/a2c7f65ef3bb3753b78e1819a10e0217/likizelidamedibekef.pdf
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a0f48331bdb---zebem.pdf
- https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/16085ab8f03a9b---fipibepemu.pdf
- http://prospekt-rostov.ru/ckfinder/userfiles/files/79866751307.pdf
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/9cab7448c8763696c1b2cb10a89bbf93/93134447556.pdf
- http://avtokit116.ru/!upload/files/98539888660.pdf
- https://ezokniga.com/uploads/file/jananezugesuxab.pdf
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608502d65c0b8---fuvaleriwadowoda.pdf
- https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/a3dd9c150c29291145653a468646ea61/wojanopemibakapi.pdf
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ce1c38dd86c---38662735318.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=pdf.js+mobile+viewer
- 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_off0000ddc1.bin697e3a697e48cb0cb5ed21487599d473124bff4a5ee2af1a84631c7cdaa3f828 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDC1 | 19304 bytes |
font_01_sfnt_off0001100f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1100F | 16792 bytes |
font_02_sfnt_off00012826.bin719f77d0765030c7e2732f3b459c9149b93dc91e2d00e0b0225dbc9871570a4a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12826 | 10640 bytes |
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