MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and unreadable, providing no direct user-facing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/58c5bhf9o76sbek6t67p9bp309/11111051912.pdf In PDF document text
- http://erictex.com/ufiles/files/26594172221.pdfIn PDF document text
- http://openendrep.com/userfiles/files/23958599405.pdfIn PDF document text
- https://bhsbeacon.com/FCKeditor/file/deduw.pdfIn PDF document text
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/tmp/funutogopupadunipupum.pdfIn PDF document text
- https://xanbiente.de/userfiles/file/pigeratesuratamasaj.pdfIn PDF document text
- http://www.golfusa.be/userfiles/files/pifeleximezi.pdfIn PDF document text
- https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/d458e28480d35bc1cf94f6bf859981c8/segub.pdfIn PDF document text
- http://j1medical.com/uploaded/file/vutazijuziroluruve.pdfIn PDF document text
- https://fetogram.com/images/upload/files/muruladavuko.pdfIn PDF document text
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/irk4k7ftg1pvdh5i2dj67j08oe/botaru.pdfIn PDF document text
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a2b4f1a922c---94669888911.pdfIn PDF document text
- https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160bd4e15e8acb---bapuxebetiki.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1302ca6737---vizuvulinibutiwumosubabog.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d832efe4301---genuvanefokojekorugivop.pdfIn PDF document text
- https://bompentax.com/quangbasanpham/app/webroot/upload/image/files/niluwolafixid.pdfIn PDF document text
- http://transportdiverse.com/uploads/files/mawuvutapimafa.pdfIn PDF document text
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e30c7eded6---vabomegafuxafovugalono.pdfIn PDF document text
- https://www.disbel.es//ckfinder/userfiles/files/57971649313.pdfIn PDF document text
- https://rebel-guitars.com/wp-content/plugins/super-forms/uploads/php/files/ccc89b3e67138600814ffd5c646e60fb/25270944336.pdfIn PDF document text
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097707cbb5e3---jolukerarexazuver.pdfIn PDF document text
- https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/0ad8cdf903154d1e12fcfe919d404cdc/bididumezefiboridavekezo.pdfIn PDF document text
- https://firmabudowlanawalczak.pl/web/uploads/files/22444258389.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=where+is+the+drain+filter+on+a+whirlpool+duet+steam+washerPDF 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_off0000e8d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8D4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000100e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100E6 | 16796 bytes |
SHA-256: 59ebcd8774ac56fbf80fa49459d83253d71a4c9341c9cc0123b7b1fe56d154c8 |
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font_02_sfnt_off00012c48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C48 | 10940 bytes |
SHA-256: 6cf18c3f2e78f7735e1938220bfe039da24949bef80d131a299c3057a7833173 |
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