MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm or redirection mechanism. While no scripts were explicitly extracted, the PDF structure and link farm behavior are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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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://gangwonbnb.com/FileData/ckfinder/files/20210819_D55DB17B933AEF36.pdf In PDF document text
- http://halanmilk.com/upload/files/33936662905.pdfIn PDF document text
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/hfvhq53ojeqs78shadrvqr2fsg/fodakerifubojitokexoramun.pdfIn PDF document text
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e6370889c1---wavajovezulon.pdfIn PDF document text
- http://www.edgartownschool.org/uploads/files/93999276398.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/namesizimokojusamafopu.pdfIn PDF document text
- https://shieldtech.cz/ckfinder/userfiles/files/likelabo.pdfIn PDF document text
- http://kimyasaldubeller.com/upload/ckfinder/files/tiwofowopanig.pdfIn PDF document text
- http://yfatc.com/userfiles/file/pumawaguv.pdfIn PDF document text
- http://uniroll.pl/user_images/file/98335649789.pdfIn PDF document text
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afd3b480643---75778698343.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5086a48fc---zitafagedona.pdfIn PDF document text
- http://rocincorporated.com/domain.com/images/dynamic_pages/file/61762280851.pdfIn PDF document text
- https://tidurmalam.com/contents//files/butimizagisipodukib.pdfIn PDF document text
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/53kct8u03it8i3rvibc1vvrn47/dabopunedifol.pdfIn PDF document text
- https://cengilli.com/icerik_images/file/37712879563.pdfIn PDF document text
- https://easy2ticket.com/upload/files/79536049708.pdfIn PDF document text
- https://sakesushimn.com/userfiles/files/kifuvujet.pdfIn PDF document text
- http://vitanova-cattery.com/upload/file/tolixapivefe.pdfIn PDF document text
- http://clinicaveterinariaalbese.eu/userfiles/files/mexufu.pdfIn PDF document text
- https://ashleymongolia.mn/uploads/files/63573970939.pdfIn PDF document text
- http://mabo-meccanica.eu/userfiles/files/76541530075.pdfIn PDF document text
- http://xn--9p4b29dncp2cc6y.net/upload/fckeditor/file/59296598967.pdfIn PDF document text
- http://dzbnf.com/upload/file///sopipufefixewexoz.pdfIn PDF document text
- https://fetogram.com/images/upload/files/26710263558.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=topcon+total+station+user+manual+pdfPDF 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_off0000d1ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1EE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ea05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA05 | 10844 bytes |
SHA-256: 6d83426d004c92a7177e44c0806961ed993a466db784f26edc91ee7464e4c2a2 |
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font_02_sfnt_off0001030a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1030A | 17920 bytes |
SHA-256: 384ce76168a3c054a66944ddacac3a6840a33ccf5118756cb2c7ff3780d82797 |
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