MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of embedded JavaScript and a high volume of external URIs, many pointing to disposable hosting, strongly suggests a phishing or malware distribution scheme. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a link farm designed to obscure the true malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
Heuristics 6
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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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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 https://philabc.ru/uplcv?utm_term=my+cloud+player+android PDF link annotation
- https://www.bankkartya.hu/js/ckfinder/userfiles/files/43472636138.pdfIn PDF document text
- https://fotoprint.lv/downloads/file/fililozegasigefivokilo.pdfIn PDF document text
- https://abss.pt/userfiles/file/xisafabizixa.pdfIn PDF document text
- https://zenmobile.in/jaipriyart/uploads/files/tilepenupoboxitabujuleg.pdfIn PDF document text
- http://merlegdoktor.hu/tmp/jevatulaweziturof.pdfIn PDF document text
- http://3dtechgroup.com/uploads/image/files/7364767655.pdfIn PDF document text
- https://olterus.com/contents/files/29649512912.pdfIn PDF document text
- http://metaglas.kr/userData/board/file/72701677752.pdfIn PDF document text
- http://bikipvuikhoedep.com/app/webroot/files/editor_upload/files/10997683502.pdfIn PDF document text
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/16140874e1f1b5---1453451678.pdfIn PDF document text
- http://theseadiaries.com/ckfinder/userfiles/files/wozudugobinuwumupat.pdfIn PDF document text
- http://medob.org/SITE/files/editor/file/50752176484.pdfIn PDF document text
- https://gabconstruction.com/ckfinder/userfiles/files/86014422440.pdfIn PDF document text
- http://landpas.pl/upload/file/wovaruniwexibapusire.pdfIn PDF document text
- https://jmbarrenetxea.soinuenea.eus/files/galeria/files/zenasopebelipimagazovu.pdfIn PDF document text
- https://upaspor.com/resimler/files/puvazutebesor.pdfIn PDF document text
- https://tectrongim.com/uploads/files/gufowesokewikul.pdfIn PDF document text
- http://spain-ex.com/images/blog/file/refefokupujuvovibu.pdfIn PDF document text
- http://edallyshop.com/upload/files/70164957532.pdfIn PDF document text
- https://seeyounow.net/userfiles/file/japavefabekulefenagolerop.pdfIn PDF document text
- http://hawaiisushi.iorderfoods.com/uploads/files/fukukuvotobupoji.pdfIn PDF document text
- http://templeton.sk/userfiles/file/42028587950.pdfIn PDF document text
- http://innotack.com/userfiles/files/73677371996.pdfIn PDF document text
- https://micsys.in/userfiles/file/vifazusagezamivo.pdfIn PDF document text
- http://traslochimontalto.it/userfiles/files/64297857415.pdfIn PDF document text
- https://fertilizerproductionprocess.com/d/files/85663314528.pdfIn PDF document text
- http://como.gattinonimondodivacanze.it/themes/userfiles/files/46286718342.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_off0000e098.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE098 | 16972 bytes |
SHA-256: e907e06315ed68ccb77e0d46bea87fb52132f76839a56e0444fcea9ecdf700f9 |
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font_01_sfnt_off00010cdd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CDD | 10448 bytes |
SHA-256: 37c1c726280b5971ec69d7f6f6fe65a013fc7b0173ee271126d66de28c9499bb |
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font_02_sfnt_off000124a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124A5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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