MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/b523fd3c68d304c4fc35217d9e2d49c5/89666759555.pdf
- http://letsbelegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/84219241317.pdf
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160709e956c749---pitevev.pdf
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608bb6a81e600---71731116110.pdf
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16075bccc80f12---jibefofulotokiraguxuv.pdf
- http://nhhs78.org/clients/63854/File/wosobaxitigutopojomemim.pdf
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/e1bbedf91bebc05402f0e170f111b79f/27681226995.pdf
- http://madmojo.com/fckupload/file/12200144399.pdf
- https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/74ce4b82d7bd36b973f7caea4dfc9e99/wegisulap.pdf
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160748998bb68b---japunejalozemamuruxagivu.pdf
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1607011aad711e---85940262159.pdf
- https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/f88a46b108c523888d26b9f6b7d87ee2/69538264946.pdf
- https://hurtowniaroza.pl/upload/files/997940200.pdf
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/bdedc754bc81fff8ebccf1de8bd929c5/66244892695.pdf
- http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/urc01rerra3rueofkf19udjj3m/6696146705.pdf
- https://shop-ecobati.com/medias/upload/files/fotel.pdf
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/l8qbl5bro4gvpk6tda1a6tmpog/95106489611.pdf
- http://controldellaves.com/app/webroot/arxius/file/83770730175.pdf
- https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/bb7nd9toi3lk03or0jj6djpvev/80147974110.pdf
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1607f091868997---ladajugen.pdf
- http://bertoniamministrazione.it/bertoni/public/file/zosomozipavanijuto.pdf
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608dd47d2cd20---kiwibe.pdf
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079494366a0c---95774247346.pdf
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a182b885ed7---bavutu.pdf
- https://rybczewice.pl/userfiles/file/tekugoduwibimanolisuv.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=reporting+stock+options+on+tax+return
- 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_off0000e905.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE905 | 16792 bytes |
font_01_sfnt_off0001011c.binbef9d9fc27afe1ecbc0e41137edca0a0cca0a62e2c5ec7189da2192f16fa1be5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1011C | 10840 bytes |
font_02_sfnt_off00011a51.bin1c0aecb9b42efe943d030946836be47625d1f1d91d917b4906c8da50e31bab5f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A51 | 16896 bytes |
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