MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a link farm or phishing lure. The presence of embedded URLs and the overall structure point towards the distribution of malicious content or phishing attempts, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9844
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://entone.es/wp-content/plugins/super-forms/uploads/php/files/09037f39150a6c8ae5f456ad7bdbad2c/zuwozunebiper.pdf In PDF document text
- http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202104291132444718.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ee90385f54a---palefanexalusesakoj.pdfIn PDF document text
- http://ibshop.gr/uploads/_uploads/files/51301323120.pdfIn PDF document text
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16087b906a2313---85558227315.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/h59v6sujsj9ofk615gdqnooha1/wuleregoxiju.pdfIn PDF document text
- http://cherryontop.pl/upload/fotki/file/maxewi.pdfIn PDF document text
- http://moneymaker-gold.de/files/64901802765.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076ef506cfad---tobopigemeselekap.pdfIn PDF document text
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/0f8a9d5ed6215e3d69c9d83d99a3d58e/96754320431.pdfIn PDF document text
- https://khonggiansangtao.com/platformecom/img/upload/file/42496262266.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a66029333d4---84063910834.pdfIn PDF document text
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/161335c4b57200---tevarofog.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160e0b523eb202---19001634994.pdfIn PDF document text
- http://circuitvietnamcambodge.com/hinhanh/file/vojubabolizobalit.pdfIn PDF document text
- https://globportal.com/upload/userfiles/files/pizizi.pdfIn PDF document text
- http://jp-cable.com/d/files/37673988492.pdfIn PDF document text
- https://rittenhousesmiles.com/wp-content/plugins/super-forms/uploads/php/files/2cdc96a7a4621342cc8421d415bbe57f/50384342043.pdfIn PDF document text
- https://brothers-music.com/ckfinder/userfiles/files/padeg.pdfIn PDF document text
- https://binarbaid.com/public_html/userfiles/file/jadebuvibol.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/888701fef7c87858b5883067654a8e7d/42253573585.pdfIn PDF document text
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/1f18da282805fbe944d1277c9cfc930d/30873315806.pdfIn PDF document text
- https://sensesgrouphk.com/louis/STARKGROUP/ckfinder/userfiles/files/xobawubexunolosugebog.pdfIn PDF document text
- http://classicalgardenornaments.com/uplds/file/nedowubufabab.pdfIn PDF document text
- http://fitviewer.de/files/file/9818178776.pdfIn PDF document text
- http://gamax-motor.cz/data/dokumenty/96428866299.pdfIn PDF document text
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e3e2a42864---13622199153.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=renewable+energy+project+proposal+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_off0000cde7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDE7 | 11220 bytes |
SHA-256: de07cdc0a74675ce51b59e5e9ff8d9c0cfd490b5907ca0ed9fcdefa333ad743f |
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font_01_sfnt_off0000e808.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE808 | 16920 bytes |
SHA-256: c8f5a8fce4e377ddd17acc6a64bcdf7416b435b8ca6443275ba71aa44b192508 |
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font_02_sfnt_off000113e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113E6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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