MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code within documents. The presence of multiple external URIs, including links to compromised CMS upload storage and link farms on disposable hosting, strongly suggests a phishing or malware distribution attempt. The ClamAV detection and ML classifier further confirm its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://karlsbach.de/userfiles/files/nuvekogufixafiwalabidel.pdf In PDF document text
- http://burningspearmarketplace.com/js/ckfinder/userfiles/files/83320230346.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/dv107rit7f728m50u4blc37hg2/23168104275.pdfIn PDF document text
- http://restavratorstvo.com/ckfinder/userfiles/files/tagowuwusisenowibovus.pdfIn PDF document text
- https://lotteppta.com/beta/assets/file/jujufomezoviw.pdfIn PDF document text
- https://bazab.ru/ckfinder/userfiles/files/wafasusu.pdfIn PDF document text
- http://elhammagazine.com/ckfinder/userfiles/files/9845046059.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614441e869b0e---65823614172.pdfIn PDF document text
- http://galeriejacqueselbaz.com/userfiles/file/juzoxulomitabimozomuwe.pdfIn PDF document text
- https://njshore.drinkpoint.com/uploads/files/57295295876.pdfIn PDF document text
- http://cissi.it/userfiles/files/94008364452.pdfIn PDF document text
- https://misbahelmudii.org/ckfinder/userfiles/files/dojuza.pdfIn PDF document text
- http://wohntraumgmbh.at/54820366574.pdfIn PDF document text
- http://sakurahoaanhdao.com/webroot/img/files/9177609200.pdfIn PDF document text
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/6efadcbb5c9c56e7954132958c2f1d5a/titejaf.pdfIn PDF document text
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161414bf9bdaa7---11186462018.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e0d08b4754---25416695134.pdfIn PDF document text
- https://pensiunea-escape.ro/ckfinder/userfiles/files/xovasizum.pdfIn PDF document text
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/qdltajl8g8u3jsor9q6aej4vb5/46366720364.pdfIn PDF document text
- http://docando.es/js/ckfinder/userfiles/files/1788514101.pdfIn PDF document text
- https://mimpiindah2.com/contents/files/91782537679.pdfIn PDF document text
- http://saydersan.com/firma/files/78422680159.pdfIn PDF document text
- http://haraj-alqunfudhah.com/userfiles/file/30569549376.pdfIn PDF document text
- https://pesonabali.dswip.com/ci/userfiles/files/27950601510.pdfIn PDF document text
- http://yalcinsezer.com/upload/ckfinder/files/sujib.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=one+piece+theme+androidPDF 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_off0000b7be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7BE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cfd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFD5 | 10588 bytes |
SHA-256: 2fe34d4b94018dfab22bdea10010b7db69ff0a66f77146720a78c43fbcfeb7f8 |
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font_02_sfnt_off0000e7c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7C9 | 18100 bytes |
SHA-256: e1e43cb592af536f5c622a9f5b8b482bd9b8ac2b3daf1bf30aaac5ccbac72058 |
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