MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and external URIs, indicating a malicious intent to redirect the user. The heuristic 'PDF_SEO_UTM_REDIRECTOR_LINK' specifically points to a phishing lure using an SEO redirector. The ClamAV detection further confirms its malicious nature, likely as a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.7036
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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 https://yoyep.co.za/XSRYdR1H?utm_term=call+recorder+android+app+code PDF link annotation
- https://haltia.mx/sii/ckfinder/userfiles/files/debosipujulo.pdfIn PDF document text
- http://serviskytar.cz/kcfinder/upload/files/63657426177.pdfIn PDF document text
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/d63fc8a57eb3339df747ae34764f922e/21162409878.pdfIn PDF document text
- http://szkolaprywatnaleszno.pl/userfiles/file/32458688066.pdfIn PDF document text
- http://motolargo.pl/userfiles/file/87565190639.pdfIn PDF document text
- http://greeninfrabd.com/assets/ckeditor/kcfinder/upload/files/xinezawiwidezaraxunarebu.pdfIn PDF document text
- https://oddluzanie.net/userfiles/file/59540239749.pdfIn PDF document text
- https://pasationtravellers.com/root/FCKeditor/file/77814299555.pdfIn PDF document text
- http://linuxnewyork.com/draft/media/finirasuru.pdfIn PDF document text
- https://matraci.aidb.bg/UserFiles/File/runuke.pdfIn PDF document text
- http://lnshiyue.com/userfiles/file/20220228065602_855737708.pdfIn PDF document text
- http://sdtech-kh.com/kcfinder/upload/files/40399348540.pdfIn PDF document text
- http://officinedesign.it/userfiles/files/48113727250.pdfIn PDF document text
- http://yourtruck.be/upload/ckeditor/file/38450973280.pdfIn PDF document text
- https://22importexport.com/eimages/file/96885384693.pdfIn PDF document text
- http://thanhtamgia.com/ckeditor/kcfinder/upload/files/90796974662.pdfIn PDF document text
- http://simonova-zahrada.cz/ckeditor/kcfinder/upload/files/fajomufamafuxorivabiwed.pdfIn PDF document text
- http://2ds-creations.fr/userfiles/file/duxemotaz.pdfIn PDF document text
- http://casopisfolklor.sk/assets/kcfinder/upload/files/39910897498.pdfIn PDF document text
- http://kielcenoca.pl/files/file/xekat.pdfIn PDF document text
- http://flairpens.ru/uploads/files/36307300366.pdfIn PDF document text
- http://struna.bg/admin/kcfinder/upload/files/27493355502.pdfIn PDF document text
- https://www.miroku-jp.com/system/js/kcfinder/upload/files/lomusufumininuxob.pdfIn PDF document text
- http://kapalishakti.com/ckfinder/userfiles/files/foxiwuw.pdfIn PDF document text
- http://rkmaster.ru/uploads/files/49337800349.pdfIn PDF document text
- http://canxetaidientu.com/images/file/susikalutenituxe.pdfIn PDF document text
- https://equantumconsulting.com/files/files/dajoxonatejewufuxima.pdfIn PDF document text
- https://supportsurgical.com.br/assets/kcfinder/upload/files/13850907238.pdfIn PDF document text
- http://bvphcn.bdata.vn/upload/files/bikobila.pdfIn PDF document text
- http://senseoftourism.dk/userfiles/file/46090324978.pdfIn PDF document text
- https://giyimkent.formenemlak.com/upload/ckfinder/files/magabeje.pdfIn PDF document text
- 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_off00051fe0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x51FE0 | 16560 bytes |
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9 |
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font_01_sfnt_off00053700.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x53700 | 10272 bytes |
SHA-256: 7027cca31ef28a27d279bc76d012918f69c13b777fd62e11098c8c90378bf963 |
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font_02_sfnt_off00054e1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x54E1F | 19916 bytes |
SHA-256: a7f050d8baa27b3b91f5dde577e57db47c934abce47a97c73d9ca701cf99fd16 |
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