MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains embedded JavaScript and a large number of external URIs, many of which are hosted on disposable domains, suggesting a link farm or phishing lure. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically points to this behavior, indicating the document's purpose is to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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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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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://chcial.ru/uplcv?utm_term=recently+deleted+videos+android PDF link annotation
- http://jrpst.pl/userfiles/file/wepitozazesegesabob.pdfIn PDF document text
- http://xn--9w3b270a7kf.kr/ckfinder/userfiles/files/62354669542.pdfIn PDF document text
- http://clinicaveterinariabilancino.it/userfiles/files/pevawoxaberow.pdfIn PDF document text
- http://gursakaryahukuk.com/images/file/25852241485.pdfIn PDF document text
- http://morgancountyoh.com/userimages/sonixepi.pdfIn PDF document text
- http://sfalojistik.com/userfiles/file/domuxosuzilevinaxalifuxub.pdfIn PDF document text
- https://hyosung-gulf.com/uploads/file/daresekusepojit.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/16130a98dc6a54---larerunuva.pdfIn PDF document text
- https://tonerihned.cz/userfiles/file/razajutofotoxajofib.pdfIn PDF document text
- http://hoanggiaphatland.com/uploads/image/files/62531304424.pdfIn PDF document text
- http://importfoodfair.com/userfiles/image/2021/09/file/75208563494.pdfIn PDF document text
- https://mudrun.com/home/mud/public_html/ckfinder/userfiles/files/kavixodimizolegavuwal.pdfIn PDF document text
- http://centronegozi.com/public/finivozura.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dc2595c466---30782989740.pdfIn PDF document text
- https://adtw1.com/ckfinder/userfiles/files/51179981602.pdfIn PDF document text
- http://driscollandgibson.com/images/edit_images/file/83524680076.pdfIn PDF document text
- https://balbok.net/admin/ckfinder/userfiles/files/52748268670.pdfIn PDF document text
- http://lemonsport.hu/upload/file/52944496712.pdfIn PDF document text
- https://www.fibertech1.com/my_content/js/ckfinder/userfiles/files/xapipoduz.pdfIn PDF document text
- http://farashimirooz.com/files/2287113866.pdfIn PDF document text
- http://bursaceyizgelinlik.com/images_upload/files/sizekuxofadili.pdfIn PDF document text
- https://terminarz.online/kosmetyczka/krakow/files/31409008848.pdfIn PDF document text
- http://sanalights.com/admin/admin/uploadfiles/file/3299108247.pdfIn PDF document text
- https://sim2007.com/files/32101264577.pdfIn PDF document text
- http://metalzilembo.it/userfiles/files/90669543553.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_off0000bb2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB2C | 10588 bytes |
SHA-256: e397ed1275c5b5f67421b5b2d7301df7b74e0645f37434501acb76c82db9eb23 |
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font_01_sfnt_off0000d387.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD387 | 16380 bytes |
SHA-256: f3c5dd9a14dd6d23ac1a40c33a4e26508cb40f0b956991b4f169c649b51b1717 |
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font_02_sfnt_off0000fd60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD60 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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