MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which are part of a link farm hosted on disposable domains. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. The embedded JavaScript is a common technique for initiating malicious actions within PDF documents.
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://huntic.ru/uplcv?utm_term=malformation+type+1 PDF link annotation
- http://alacarte-design.de/userfiles/file/69467598313.pdfIn PDF document text
- http://king-pro.com/userfiles/files/legogeso.pdfIn PDF document text
- https://coop-alternatives.fr/images/images/95017267802.pdfIn PDF document text
- https://securitydm.com/slicice/file/23851523564.pdfIn PDF document text
- https://0900107678.com/upload/file/kunowigoru.pdfIn PDF document text
- http://archidaldegan.eu/userfiles/files/nesuwakavop.pdfIn PDF document text
- https://vmwarts.com/ecovic/file/mugiwasipuz.pdfIn PDF document text
- http://davidhammerstein.org/ckfinder/userfiles/files/79834701196.pdfIn PDF document text
- http://rama-sp.com/rama/webroot/js/ckfinder/userfiles/files/48734286070.pdfIn PDF document text
- http://saconsultancy.com/userfiles/file/48654114331.pdfIn PDF document text
- http://drukarnia-warszawa.pl/pliki/file/renofivisotawitel.pdfIn PDF document text
- http://phutungvespaco.com/luutru/files/2225618795.pdfIn PDF document text
- https://giriconsultancy.com/content_files/files/wulakekosimadenudev.pdfIn PDF document text
- http://tinavaron.com/ckfinder/userfiles/files/gofekidivijagusunerese.pdfIn PDF document text
- http://machinegroup.ru/img/outer/files/61744751390.pdfIn PDF document text
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16140bc33830b1---35684303749.pdfIn PDF document text
- http://vinaktv.com/storage/ckfinder/files/dajulizixevovevej.pdfIn PDF document text
- http://www.tomasjelinek.com/img/pub/file/83408349548.pdfIn PDF document text
- http://majortaylorride.info/images/uploaded/file/batijumatobowijamaxotodep.pdfIn PDF document text
- http://kaztelcom.kz/ckfinder/userfiles/files/xesonenoni.pdfIn PDF document text
- http://ellissi.org/userfiles/files/30234820916.pdfIn PDF document text
- http://agmapure.com/upload/files/dupixedizojazixibibuzoji.pdfIn PDF document text
- http://www.klimavill.com/data/editorfile/20012848718.pdfIn PDF document text
- http://musicpark-live.de/userfiles/file/551087889.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_off0000d548.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD548 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ed5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED5A | 17060 bytes |
SHA-256: 204fc0cb54549ce0ed5b96f790b1c3c38068c6124e27c926ddafd9c0ba9d0926 |
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font_02_sfnt_off000119a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119A1 | 10512 bytes |
SHA-256: a42766b36de166fb3ec468095b44a68900eb06bea4c425c76a365f430c5a81e6 |
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