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 0.9972
Heuristics 7
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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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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 https://medosojewellery.com/userfiles/files/29618389018.pdf In PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/duwenuxulivuvodibiruzid.pdfIn PDF document text
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c85b1609d1b---fefubimelipoxepitaj.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16087c1db31324---guroposajugifuve.pdfIn PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b88e44e9f31---64263524210.pdfIn PDF document text
- http://pettwayfamilyreunion.com/clients/39389/File/94321707781.pdfIn PDF document text
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/c4i3c9dtnbe2b6g931ferobv20/53600520202.pdfIn PDF document text
- https://conexusinternational.com/ckfinder/userfiles/file/dovixorov.pdfIn PDF document text
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3ecce90a7---16935628889.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b3cff005937---tezepisigogom.pdfIn PDF document text
- https://bookatowncar.com/userfiles/file/mefuzu.pdfIn PDF document text
- http://albatrossmrn.com/konadnew/userfiles/file/guxijivigaluvaj.pdfIn PDF document text
- http://nkland.org/userfiles/files/51901614714.pdfIn PDF document text
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/c195255fe30eccc78a480a68302f301f/1219786952.pdfIn PDF document text
- http://alptw.com/images/files/titixogofu.pdfIn PDF document text
- https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/6d0a57edc2c858adf6d79993a039f60c/noravedax.pdfIn PDF document text
- http://acpiindia.com/userfiles/file/pupalefinikorenusa.pdfIn PDF document text
- https://bmat.mn/uploads/ckfinder/files/rulizegupumimujaxe.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c06c94f39bc---xifunefe.pdfIn PDF document text
- http://kantoromega.pl/userfiles/file/91816599716.pdfIn PDF document text
- http://paulsaperstein.com/userfiles/files/rajuwaxoribiwotalo.pdfIn PDF document text
- http://yuc-fac.com/uploadfiles/20210720143805.pdfIn PDF document text
- https://grandplaza.bg/uploads/assets/file/wevidafovulujizemekeroj.pdfIn PDF document text
- http://hillandcunnreunion.com/clients/864369/File/68623174976.pdfIn PDF document text
- http://mamtomchabahai.com/uploads/files/files/tumemiwusetozifanonavuz.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=what+does+a+curriculum+map+look+likePDF 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_off0000f8f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8F9 | 16524 bytes |
SHA-256: d1fc4a9a13566aa5b2cdcc1b1167231d990eb6a8b05f1895a61d8b1cad59398a |
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font_01_sfnt_off000123dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123DD | 10860 bytes |
SHA-256: 03f6daf1a987d74eea415223325b015c6521e3adcb69affaaa5d00d889e897ad |
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font_02_sfnt_off00013cf7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CF7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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