MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/a18f4a77220d761d444270425c1ea83c/6856985515.pdf In PDF document text
- http://goraku-sangyo.com/userfiles/file/45476277200.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a36e9492463---betamowopupuludileka.pdfIn PDF document text
- https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/160e6c44e7eddf---virumizezigukibekelonag.pdfIn PDF document text
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606d940053ea6---porojugokanitagufiset.pdfIn PDF document text
- http://aibasylhet.edu.bd/app/webroot/ckfinder/userfiles/files/26470895089.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/16074618639420---36188124110.pdfIn PDF document text
- http://lasfyy.com/uploadfile/file/20210728052722901.pdfIn PDF document text
- https://infiniteprospects.com/FCKeditor/file/wevepejubusisu.pdfIn PDF document text
- https://dixietemporarystorage.com/wp-content/plugins/super-forms/uploads/php/files/2d35c29d3df06ba6a6dfcb413223388a/46237933532.pdfIn PDF document text
- http://ambulatorioveterinariocamali.com/userfiles/files/ramaraluzasadupesepasevav.pdfIn PDF document text
- https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160afd06709266---75933353633.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a524020d3ba---lazel.pdfIn PDF document text
- http://www.iece.in/userfiles/file/wazosezituvesugevilomoro.pdfIn PDF document text
- https://jetaime-shop.com/files/sevenuderemewura.pdfIn PDF document text
- https://abandassociates.com/ckfinder/userfiles/files/32208904508.pdfIn PDF document text
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/7uke4e7088r9robnt2i16jhslp/wozuvozeredogoreme.pdfIn PDF document text
- https://bbdirect.com/ckfinder/userfiles/files/41588255159.pdfIn PDF document text
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/fbd122dd06637f26dbc8afd2f021e40a/49164584852.pdfIn PDF document text
- https://audit-advisers.com/userfiles/file/74959766409.pdfIn PDF document text
- http://sweetbasketsbyjackie.com/clients/864293/File/fikibos.pdfIn PDF document text
- http://asdgolfclubtoscana.com/writable/public/userfiles/file/matolojojufamugusipu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=aptitude+test+papers+pdf+downloadPDF 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_off0000d6d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6D7 | 10656 bytes |
SHA-256: 25da003886737036f4b22969de0675fa3f74bf1e0b87b8eb2c8f2030de0e1b2f |
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font_01_sfnt_off0000ef7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF7A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001078c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1078C | 17716 bytes |
SHA-256: 2d765b7397b4ed451399cb8f54e77edb548459b8b34a418eb6676d2ce76f5d46 |
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