MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file exhibits characteristics of a phishing or malware distribution lure, indicated by multiple heuristics related to link farms and compromised hosting. The embedded JavaScript and numerous URLs, including one pointing to a compromised WordPress upload directory, suggest an attempt to redirect users to malicious content. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://allytemp.ru/uplcv?utm_term=cancer+is+not+a+disease+pdf PDF link annotation
- http://tottazo.com/userfiles/file/kepilotukagabesovud.pdfIn PDF document text
- http://moiarchitekci.pl/pliki/file/44870416366.pdfIn PDF document text
- https://www.ijdsir.com/ckfinder/userfiles/files/27764382919.pdfIn PDF document text
- http://poketomecam.com/uploads/files/xosonobaj.pdfIn PDF document text
- https://lingchuanfloor.com/app/webroot/userfiles/files/zirepizovaxomovaga.pdfIn PDF document text
- http://ansonseatery.com/uploads/files/598995661.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/f101lmm6mreijb3il2pss07n76/11210222412.pdfIn PDF document text
- http://moveworldtogether.com/datas/files/49199937810.pdfIn PDF document text
- https://resonanceacteurs.nl/userfiles/file/59609193075.pdfIn PDF document text
- http://freestyler.cz/img/file/58869492960.pdfIn PDF document text
- http://naoshima-tours.com/images/blog/file/tekuvimamatuposezitipob.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613ecf54c99bc---82518594063.pdfIn PDF document text
- http://votejoedestefano.com/editorData/file/xiligitunovovuzujareb.pdfIn PDF document text
- http://antonio-pelella.eu/userfiles/files/kamozonozebefedorubakumuw.pdfIn PDF document text
- http://word.mn/uploads/assets/gamos.pdfIn PDF document text
- https://pataniforum.com/admin/jquery/ckfinder/userfiles/files/xajuwomeviriwurudifunejik.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/afc034ee09283e553c43a3fc75ca8278/35924290140.pdfIn PDF document text
- http://firewaterdamagedfw.com/test/fckeditor/uploadfiles/file/13865665076.pdfIn PDF document text
- https://colegiumaniucarei.ro/ckfinder/userfiles/files/ronodipupukakirip.pdfIn PDF document text
- http://kino-cosmik.ru/sadm_files/xubaxavebakotekafal.pdfIn PDF document text
- http://matonaklawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bejofuvarowarejelemu.pdfIn PDF document text
- https://geneticapanama.com/userfiles/file/79406692689.pdfIn PDF document text
- https://codefon.hu/js/ckfinder/userfiles/files/vafuxalewusuni.pdfIn PDF document text
- https://total-sport.pl/img/upload/files/fedamovuvukowuwiv.pdfIn PDF document text
- http://boschvietnam.vn/files/usersfiles/files/tibemufifudusivusom.pdfIn PDF document text
- 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_off0000bd63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD63 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d575.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD575 | 15664 bytes |
SHA-256: bed9f11edb6823190e18f49a88a438e54a8c8bdb8ad9ba9571ab13e8a7bf6faf |
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font_02_sfnt_off0000fd01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD01 | 10596 bytes |
SHA-256: 5c128674fd0b19da2454a04784c8fc4424fe8590cf9922ecb793c4beb9cf0367 |
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