MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and numerous external URIs, indicating it is designed to redirect users to malicious websites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests a phishing or malware distribution scheme. The ML classifier and ClamAV detection further confirm the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://crewmak.ru/uplcv?utm_term=101+dalmatian+street+fetch PDF link annotation
- http://sahcarpets.com/userfiles/file/1608112634.pdfIn PDF document text
- http://zapatosperezcabrera.com/ckfinder/userfiles/files/wolevurolaxujanademedoku.pdfIn PDF document text
- http://xn----7sbev0bhje.xn--p1ai/images/news/file/2450414193.pdfIn PDF document text
- http://chetaomaynganhnhua.com/uploads/files/lakujikomijeviwupomev.pdfIn PDF document text
- http://pass38.com/images/contentimages/files/tomukofopugevadepudajizox.pdfIn PDF document text
- http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/26392218506.pdfIn PDF document text
- http://tuecpa.com/file_media/file_image/file/46962188763.pdfIn PDF document text
- http://krzeptowski.pl/file/xitupe.pdfIn PDF document text
- http://ceramicaartisticamarsalese.it/userfiles/files/7589618810.pdfIn PDF document text
- https://hiroyoung.com/data/files/97707197142.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/db3e475e6a236f52f3a5ed679f59930c/xozabigika.pdfIn PDF document text
- https://sealand-pptc.com/userfiles/file/26618337033.pdfIn PDF document text
- http://bangkokmagnetwire.com/ecodev_test/image_system/files/61167430483.pdfIn PDF document text
- https://autoteam.in/ckfinder/userfiles/files/99090044316.pdfIn PDF document text
- http://oralrem.kz/ckfinder/userfiles/files/nodunewu.pdfIn PDF document text
- http://abaj.cz/UserFiles/File/43438328071.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16146ef80920de---sujugulomawaxe.pdfIn PDF document text
- http://sushrutproctology.org/ckfinder/userfiles/files/87760905157.pdfIn PDF document text
- http://grandwatergatehotel.com/upfile_hotel/files/6135364046.pdfIn PDF document text
- https://shian-jin.com/UserFiles/files/30110901626.pdfIn PDF document text
- http://assytekservizi.com/userfiles/files/15450623502.pdfIn PDF document text
- http://www.otevrenysklep.cz/ckfinder/userfiles/files/21762769117.pdfIn PDF document text
- https://nevjegyzek.eu/uploads/file/lopamitadubetugupu.pdfIn PDF document text
- http://synergytaekwondo.com/click2buy_newp/userfiles/file/tonozo.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_off0000bfda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFDA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d7ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7EC | 17368 bytes |
SHA-256: b7ce50cd4743b83fb69c78938ffc3ab075e92d3411eb80b77914700e8cd50066 |
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font_02_sfnt_off000104ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104EE | 10696 bytes |
SHA-256: a51980b0b3d59137be1a5b4344407281c0905ddeae8cc11ea0be35a1517d5c11 |
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