MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript and numerous external URIs. The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggests the document is part of a link farm, likely for SEO poisoning or to distribute further malicious content via the embedded URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://inwebjor.ru/uplcv?utm_term=moore+anatomy+pdf+download PDF link annotation
- http://marcelponjee.nl/ponjeefiles/file/tadexewalekibupukirejinud.pdfIn PDF document text
- http://gyarmatilovastorna.hu/userfiles/file/pinogo.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/bbe7e9a327fa4063041c9d835abfff6c/964389070.pdfIn PDF document text
- https://cpsguffanti.it/uploads/file/45114499922.pdfIn PDF document text
- https://vmwarts.com/ecovic/file/zugivokipojufukeravuruse.pdfIn PDF document text
- https://jetaime-shop.com/files/waxoxomukotu.pdfIn PDF document text
- http://clinical-pain.com/pds/userfiles/files/xetijapam.pdfIn PDF document text
- http://eastindiaspray.com/suvra/eastindia_spray/files/54174723002.pdfIn PDF document text
- http://synerfreight.com/syner_upload/images/files/4918453731.pdfIn PDF document text
- http://lienming-rubber.com/uploads/files/202109170711519250.pdfIn PDF document text
- http://sinoorchids.com/image/file/kurakofazulapit.pdfIn PDF document text
- http://studiomanzetti.it/userfiles/files/vurafusewirigamuf.pdfIn PDF document text
- http://bitree.net/ckfinder/userfiles/files/91934344561.pdfIn PDF document text
- http://www.hro.ait.ac.th/js/ckfinder/userfiles/files/34333712567.pdfIn PDF document text
- http://stamforgtechnologies.com/uploads/32116991805.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/51e1ace4c1c321da4022a69d433a40c5/95595921425.pdfIn PDF document text
- http://www.gc-antey.ru/ckfinder/userfiles/files/1129413340.pdfIn PDF document text
- https://accu-split.com/userfiles/files/womulufosanutinoxul.pdfIn PDF document text
- http://sjatupornservices.com/file_media/file_image/file/vasowugukidumugobexewu.pdfIn PDF document text
- http://meyanko.com/userfiles/file///92412783357.pdfIn PDF document text
- http://propertiesforrent.com/userfiles/file///12784225963.pdfIn PDF document text
- http://homeopathyhk.com/files/mavirevudomajoxozu.pdfIn PDF document text
- http://weiddy.com/uploads/files/202109080853169643.pdfIn PDF document text
- http://mbjarrahi.com/UploadedFiles/New/file/vaxupig.pdfIn PDF document text
- http://thaicockstar.com/ckfinder/userfiles/files/nutinewekuzalusuruj.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_off0000d11e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD11E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e930.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE930 | 16956 bytes |
SHA-256: 0cfe5ee0c9b22032122f77d707ab8517652393629a7fae49681b93b81725bed4 |
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font_02_sfnt_off0001150b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1150B | 10592 bytes |
SHA-256: 37c1f6e9315f5c14285b9efb21b8f8aec95748320965d8fdb65387e064a108da |
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