MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. The presence of numerous external URIs, many pointing to disposable domains and forming a link farm, suggests a distribution mechanism for phishing or malware delivery. ClamAV detection and ML classification strongly indicate malicious intent, likely related to phishing or trojan distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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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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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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 http://upakuika.com/img/file/padosenebilewuwu.pdf In PDF document text
- http://zartmobilia.com/userfiles/file/20210909103347.pdfIn PDF document text
- http://kor-ra.ru/UserFiles/file/lupobevilirotavixuso.pdfIn PDF document text
- https://winstar-tools.com/UserFiles/editor/file/romewed.pdfIn PDF document text
- http://grupafurman.pl/!mag2011/userfiles/file/11020650657.pdfIn PDF document text
- http://www.ernakulamarchdiocese.org/www/js/ckfinder/userfiles/files/gijebanolole.pdfIn PDF document text
- https://eqonetech.com/upload/userfiles/files/rozoka.pdfIn PDF document text
- http://amicissiapiemonteisa.it/userfiles/files/zosilusokinepomakoga.pdfIn PDF document text
- http://jyjwqj.com/uploadfile/file///2021092217022491.pdfIn PDF document text
- http://smenergy.kr/uploaded/file/3987361956145712395ce4.pdfIn PDF document text
- https://orangcar.com/app/webroot/upload/files/87095748633.pdfIn PDF document text
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/161392120d1690---fipojujabur.pdfIn PDF document text
- https://alansglobalservices.com/ckfinder/userfiles/files/selabudopanamowokopabi.pdfIn PDF document text
- https://szemvidito.hu/sfwkr/feltoltesek/Images/Image/vekiselijuzas.pdfIn PDF document text
- https://andreivieru.com/ckfinder/userfiles/files/34983112506.pdfIn PDF document text
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/a5fedfdac7901c44167a6dd39a123ee7/15391421137.pdfIn PDF document text
- http://studiotecnicomartani.eu/userfiles/files/mulovarene.pdfIn PDF document text
- http://topoint.cc/userfiles/fckFile/20210922170316.pdfIn PDF document text
- http://euroambulans.pl/userfiles/file/34463067519.pdfIn PDF document text
- http://virtualcharityevents.com/vce_cake/files/files/nogudekenifufosewar.pdfIn PDF document text
- http://ncfc.com.tr/ckfinder/userfiles/files/63354272947.pdfIn PDF document text
- http://pronobile.de/catalog/file/90092055179.pdfIn PDF document text
- http://sergeybazarov.ru/file/11922137605.pdfIn PDF document text
- http://1-champagne.com/blog_images/blog_/file/favimajavibepotizaka.pdfIn PDF document text
- http://congtyvima.com/images/Download/sadunalus.pdfIn PDF document text
- https://piti.leaddeehub.com/userfiles/files/70661642371.pdfIn PDF document text
- http://konsultacjenaukowe.eu/Upload/file/64681814167.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=twilight+full+movie+with+english+subtitles+watch+onlinePDF 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_off0000e69f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE69F | 18652 bytes |
SHA-256: b5aa43078442782e306ceb40021fab2770c7344d827a0e00d163bf877bf95622 |
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font_01_sfnt_off00011713.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11713 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012f2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F2A | 11040 bytes |
SHA-256: 0cad459d057b16e981f9c7013255c444f77b62c9402ddde529032586a4c91f2d |
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