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, many of which point to disposable domains. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a link farm strategy, and ClamAV detection confirms its malicious nature. The embedded JavaScript likely facilitates the redirection to these malicious sites, potentially for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9944
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=watch+us+full+movie+online PDF link annotation
- http://dsraxys.com/uploads/29844462834.pdfIn PDF document text
- https://www.afoa.org.ar/backend/ckfinder/userfiles/files/wakorizarorada.pdfIn PDF document text
- http://pescepiana.eu/userfiles/files/25864310354.pdfIn PDF document text
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613a81b4da532---papuvitifilufigolif.pdfIn PDF document text
- https://onecre.com/images/content/files/guburasepef.pdfIn PDF document text
- http://self119.net/upload/userfiles/2021/09/files/210920222831.pdfIn PDF document text
- http://www.gleason.com.au/application/third_party/ckfinder/userfiles/files/17543936930.pdfIn PDF document text
- https://zevkotodoseme.com/upload/ckfinder/files/89948671810.pdfIn PDF document text
- http://hotelamadeustorino.com/userfiles/files/52796814834.pdfIn PDF document text
- http://psychologkmalinowska.pl/ckfinder/userfiles/files/fukivijab.pdfIn PDF document text
- https://silverlabpupsforsale.com/userfiles/files/88812616040.pdfIn PDF document text
- https://resortweeks.pro/userfiles/file/tevepajal.pdfIn PDF document text
- http://ping-property.com/user_img/files/22715298262.pdfIn PDF document text
- http://coniperfumes.cl/js/ckfinder/userfiles/files/rijisojonazix.pdfIn PDF document text
- http://olymp-kiev.com/temp/fckeditor/file/1120811627.pdfIn PDF document text
- http://www.allatpatikapecs.hu/images/file/87716841304.pdfIn PDF document text
- http://xn--aknmedical-yub.com/uploads/file/tavotanefofotezigerip.pdfIn PDF document text
- http://kperrylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/22034905572.pdfIn PDF document text
- https://www.groupe-coelho.fr/ckfinder/userfiles/files/potawufoxigiko.pdfIn PDF document text
- https://wcfkenzi.com/ckfinder/userfiles/files/kokinasogus.pdfIn PDF document text
- https://southafricapools.com/contents/files/taxusepanajiwomu.pdfIn PDF document text
- http://windowsplusllc.com/ckfinder/userfiles/files/34219933359.pdfIn PDF document text
- http://njchemland.com/upload/files/78520198212.pdfIn PDF document text
- http://www.elstar.ru/uploads/files/83204900735.pdfIn PDF document text
- http://fd-health.com/upload/ckeditor/files/82147649596.pdfIn 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_off0000b473.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB473 | 14716 bytes |
SHA-256: c64eeae823e1c2c280e532844e0be9c7d5f5dfb56dc6ce23e1307155c858cecc |
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font_01_sfnt_off0000d924.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD924 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f13b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF13B | 10660 bytes |
SHA-256: d843e5d85bbe9495fad3706799ce7e12c45de2117a909ebbf73b723e5ab3387a |
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