MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate this PDF is malicious. It contains a link farm with numerous URLs, many pointing to compromised websites or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the PDF structure are consistent with techniques used to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://eldorado777.ro/upload/editor/file/8700806953.pdf In PDF document text
- http://dobrasekacka.cz/userfiles/file/wixis.pdfIn PDF document text
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/tmp/66187986103.pdfIn PDF document text
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a33a8cbdac7---vikakuperuratovutu.pdfIn PDF document text
- https://grupo-bahia-real-estate.com/ckfinder/userfiles/files/25546689241.pdfIn PDF document text
- http://lblussana.it/images/file/74962279617.pdfIn PDF document text
- http://thaoduocvn.com/userfiles/image/file/gafulokuwekeju.pdfIn PDF document text
- http://haphadoor.com/upload/files/78609268563.pdfIn PDF document text
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609b1c29bef6e---88725255628.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/eac5c89606538ae335e3fb631e172e8c/11144779893.pdfIn PDF document text
- https://bloc-immo.com/images/tobij.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e53af5aaf3---94189616331.pdfIn PDF document text
- https://warsztatgdynia.pl/app/webroot/media/files/goxosazodiwalodijudexedu.pdfIn PDF document text
- http://j-club.eu/userfiles/file/72992641928.pdfIn PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610659ffdabf3---ralepepobaropomexolebo.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/vmv4f2ot4u860q2isabmd14t6f/xogisid.pdfIn PDF document text
- https://huanghecables.com/d/files/70931013979.pdfIn PDF document text
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612163d8d5c16---94244191327.pdfIn PDF document text
- https://eldorado777.ro/upload/editor/file/mekatovugasifojupoke.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607de796e52ce---futowud.pdfIn PDF document text
- http://jn-zhsc.com/upload/zemep.pdfIn PDF document text
- https://ketex.com/trcgp/ckfinder/userfiles/files/92163216472.pdfIn PDF document text
- http://podwierzba.eu/ckfinder/userfiles/files/puvaforulefojedadizivureg.pdfIn PDF document text
- http://madmojo.com/fckupload/file/votisoxolowevofesiwi.pdfIn PDF document text
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160ba9e1e98833---bazefelibuwavamo.pdfIn PDF document text
- https://vannordenvastgoed.nl/userfiles/file/vezufarolakajonifutatoluf.pdfIn PDF document text
- https://airbays.com/userfiles/file/85067640926.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=4000+divya+prabandham+in+tamil+pdf+formatPDF 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_off0000e7a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7A3 | 10884 bytes |
SHA-256: 50a4e2b13edfe6816a804195be3dfc420142d644224074774c60bd01caf46c2b |
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font_01_sfnt_off00010057.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10057 | 20172 bytes |
SHA-256: 0ada7039f6267e878f15d2d9e75cce3d5b28128e67ff4c2fb7cc4f6876f5b8c9 |
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font_02_sfnt_off00013532.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13532 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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