MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file is identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. The document leverages a link farm hosted on compromised WordPress sites, likely to redirect users to a malicious payload. The presence of embedded URLs and the 'Fake invoice / payment lure' heuristic strongly suggest a phishing attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9915
Heuristics 7
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://yournew.site/wp-content/plugins/super-forms/uploads/php/files/geimkvg4cc0vdvdmvbmuproikc/nolesomivizagusite.pdf In PDF document text
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/37f00c43ceeaf69f3c69d0ad512b67c6/74074379395.pdfIn PDF document text
- https://foxtailmag.net/wp-content/plugins/super-forms/uploads/php/files/cecc54cb3c7415be3ef065ab4cc075a4/zezute.pdfIn PDF document text
- http://mobilephleb.com/clients/2/2d/2d2188d13063160162e6e2bbcdac547d/File/19821207622.pdfIn PDF document text
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/ed3545660cdc155c7f76e22fd81cdc9e/16388868178.pdfIn PDF document text
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/160773a293e377---58125637514.pdfIn PDF document text
- http://kodemari.info/data/files/2539113262.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/e65387ace633e5ec83f1fa805a22ff29/41158540859.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/57c402e90a23c655fd375bd9199483dc/bakavosexosodulerajeli.pdfIn PDF document text
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9c63f2f10f---83794724585.pdfIn PDF document text
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/171814b430d43f81e07f7bcfd223ccb1/paranolezivaxepoja.pdfIn PDF document text
- http://jarosi.hu/files/file/xajopewapamikidov.pdfIn PDF document text
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609834133bee9---gugiragetidasid.pdfIn PDF document text
- http://dansungsala.com/uploads/files/sipogazalolafilazi.pdfIn PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a001c7ae4e5---palebelamujikef.pdfIn PDF document text
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/011b7f8dea68f777a1b99f5fdc8a4ce3/85488866831.pdfIn PDF document text
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be744dc834f---30935206426.pdfIn PDF document text
- http://fitviewer.de/files/file/kirunutesenazidaredodaju.pdfIn PDF document text
- http://greenplanetnepal.com/userfiles/file/23066892404.pdfIn PDF document text
- https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/tet20t3aqs3r4s8cam6e0tti15/44493034950.pdfIn PDF document text
- https://krossi.ru/images/content/files/79930530388.pdfIn PDF document text
- http://holycrossyouthministryasp.org/clients/f/fa/fa15eac34f6f8ef5a8ada011ffef1578/File/73751546082.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/2367bacea78fe9090f251dec0495fca1/dufizotigofovevidume.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=how+often+meaning+in+malayalamPDF 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_off000237a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x237A7 | 10480 bytes |
SHA-256: 046143ca290e796aeeea19fba23459909f73bd738ca442d6a90576edd8f94d71 |
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font_01_sfnt_off00024f7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x24F7C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0002678e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2678E | 26324 bytes |
SHA-256: daedfba22ae5e00e1b496b3556669f9b74201818149ab6d23ad0960e0f9c3778 |
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