MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the document functions as a link farm, directing users to multiple distinct hosts, many of which appear to be compromised CMS uploads. These links likely lead to phishing pages or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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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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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://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/1mjecp5ivor7sm2macujdhiael/julevixulimefe.pdf In PDF document text
- http://swaminarayangm.org/userfiles/file/xalowela.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/fbf0b25f428950fc9fea5d1be9f07c0f/tadigadusajamewinurux.pdfIn PDF document text
- http://gapoom.com/upload/fckeditor/file/xedugezavexasifekolixus.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf67e956647---wofumugomupuwepal.pdfIn PDF document text
- http://deltastal.ru/userfiles/file/40713475057.pdfIn PDF document text
- https://www.shinoda-usa.com/ckfinder/userfiles/files/39035303260.pdfIn PDF document text
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/b949d2e6e757e3648760b72a79e47bcc/zevusojajumoruno.pdfIn PDF document text
- https://armagedonspedycja.pl/files/file/kimupomoreza.pdfIn PDF document text
- http://voxel-avocats.fr/uploads/file/goxipekufup.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0ec1e4140e---83551343838.pdfIn PDF document text
- https://www.northwoodmedical.ca/wp-content/plugins/super-forms/uploads/php/files/m0t056us6fghic621q1n558kdc/lawulatoxedewopulapodi.pdfIn PDF document text
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/kj0kg1ggbj83h0ro2t7ocmospe/3675768442.pdfIn PDF document text
- https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/fj040id4na46n431dug03ajje0/zopafinaxirezusoregolij.pdfIn PDF document text
- https://vicotelecom.vn/static/source/images/file/45324633187.pdfIn PDF document text
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/14c0a38b8eb5410189c369aa94a367e5/tebevotojavatezipi.pdfIn PDF document text
- http://vorne-sitzen.eu/pcms/content/file/xavozelisumividamipobi.pdfIn PDF document text
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/c105ef0aa8eb7186119023982a88dfff/34838955999.pdfIn PDF document text
- https://a2designbg.com/userfiles/file/xasodijag.pdfIn PDF document text
- https://netcsemege.hu/ckfinder/userfiles/files/mozemotog.pdfIn PDF document text
- http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607524dab1340---66283917153.pdfIn PDF document text
- https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/73525a871bb8aeda60a5b308b0155635/92834429533.pdfIn PDF document text
- http://ed-web.cz/userfilesfile/97174661956.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/d9mkcqage0lbk08ofl2jme0gjk/64137839956.pdfIn PDF document text
- http://hzbmsj.net/images/upload/File/bovebetevakuxevaxux.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=jackson+browne+get+up+and+do+it+againPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ee7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE7F | 11052 bytes |
SHA-256: afa0c405b0ec452d0585185b2c33fdd59f5b8b057e7aa17ee86626f42255be5f |
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font_01_sfnt_off00010816.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10816 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012028.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12028 | 16764 bytes |
SHA-256: e8a5e4b3854b9664b9226cfbb918d255ba3cf4b66acab4194876208fb6423ff6 |
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