MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and a large number of external URIs, many of which point to compromised websites or disposable hosting, forming a link farm. The embedded JavaScript likely facilitates the redirection to these malicious sites, which are designed to host phishing content or further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://wastran.ru/uplcv?utm_term=maattupetti+koyilile+mp3+song+download PDF link annotation
- https://landtop.com/filespath/files/20210908230007.pdfIn PDF document text
- https://hbphoto.ca/resimler/files/76827297241.pdfIn PDF document text
- http://www.mananthavadynorbertines.org/www/js/ckfinder/userfiles/files/kijapigikajaluz.pdfIn PDF document text
- http://classiccar-jp.com/js/upload/files/42421566640.pdfIn PDF document text
- http://lednotice.com/userData/board/file/85980031196.pdfIn PDF document text
- http://massageindex.nl/images/uploads/55884810670.pdfIn PDF document text
- https://sagarexpress.com/userfiles/file/66012458592.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/161396dcd9883c---19368548861.pdfIn PDF document text
- https://tese.in/ckfinder/userfiles/files/23042405908.pdfIn PDF document text
- http://vestmorecapital.com/images/epost/48049659330.pdfIn PDF document text
- http://olympusflights.com/files/files/73476270133.pdfIn PDF document text
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613459a8a1bb0---xofoxaxudisikuwupiniviga.pdfIn PDF document text
- https://tecnicadovolante.com/images/file/rirapesefexogagobilofajo.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/se54dlhoh61nml23157u3khr2t/17161189541.pdfIn PDF document text
- http://wittymall.com/multimedia/userfiles/file/gubipilon.pdfIn PDF document text
- http://www.ambatownship.com/ckfinder/userfiles/files/30443570783.pdfIn PDF document text
- http://robedecreateur.com/img/files/venipemovabafukomelaxo.pdfIn PDF document text
- https://shatalarab-llc.net/userfiles/files/11072001108.pdfIn PDF document text
- http://word.mn/uploads/assets/89904412993.pdfIn PDF document text
- http://locthanhroyal.com/upload/files/33673926629.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/24526563948.pdfIn PDF document text
- http://easyreturn.store/userfiles/file/fosemenanunokeku.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_off0000b069.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB069 | 15696 bytes |
SHA-256: 5b2f47ca2886730a7bdb7f4355ce2045022b85c416fcfb843a08a6853f0dbaca |
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font_01_sfnt_off0000d8a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8A3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f0ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0BA | 11192 bytes |
SHA-256: 926a67aaf247252bfc169c17e297c2de674e73eb229cf8e84556ab02676180d4 |
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