MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample is a PDF file detected as malicious by ClamAV and an ML classifier. It contains embedded JavaScript which is a common technique for executing malicious code within PDFs. The JavaScript likely attempts to redirect the user to external URLs, as indicated by the PDF_URI and EMBEDDED_URL heuristics. One of the extracted URLs, http://avtokapriz42.ru/userfiles/file/54987649125.pdf, is flagged as potentially part of a link farm, suggesting a phishing or spamming campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9944
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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JavaScript action low PDF_JAVASCRIPTPDF contains a /JavaScript action. 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 http://avtokapriz42.ru/userfiles/file/54987649125.pdf In PDF document text
- http://studioguagnoni.it/userfiles/files/49342573547.pdfIn PDF document text
- http://fundacjaproartis.pl/javascript/ckfinder/userfiles/files/biviruwanumurux.pdfIn PDF document text
- http://businessvaluationapp.com/fck_files/file/60214322370.pdfIn PDF document text
- http://creativetechno.in/userfiles/file/bonopa.pdfIn PDF document text
- http://dirpub.org/editor/ckfinder/userfiles/files/56125331053.pdfIn PDF document text
- http://quatangsongvan.com/hinhanh_fckeditor/file/nezezolefadanubobaxavave.pdfIn PDF document text
- http://alfatreyd-mebel.ru/archive/images/file/xigimapanina.pdfIn PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140a5729a494---magakep.pdfIn PDF document text
- http://okeefesreef.com/ckfinder/userfiles/files/99901590230.pdfIn PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614bb41b28a0d---78079949026.pdfIn PDF document text
- http://arqing.es/ckfinder/userfiles/files/mesupitepimafit.pdfIn PDF document text
- http://forumts.com/ckfinder/userfiles/files/35187589928.pdfIn PDF document text
- http://chothuethietbi.info/img/files/41902755088.pdfIn PDF document text
- https://www.weboonline.com/ckfinder/userfiles/files/lamesazet.pdfIn PDF document text
- http://winfielddeli.com/ckfinder/userfiles/files/jonitawimazew.pdfIn PDF document text
- http://f-okinawa.com/img/tmp/files/20628944770.pdfIn PDF document text
- http://studiodrago.eu/userfiles/files/55177001510.pdfIn PDF document text
- http://logisticsnetworks.net/ckfinder/userfiles/files/kukonewidobekigarobupe.pdfIn PDF document text
- https://binarbaid.com/public_html/userfiles/file/35793203117.pdfIn PDF document text
- https://hotelexpert.ro/uploads/files/67014323463.pdfIn PDF document text
- http://rorolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/detufakavaluwawopebikiliz.pdfIn PDF document text
- https://mygenius.ru/admin/ckfinder/userfiles/files/69643798836.pdfIn PDF document text
- http://diennuocdanang.com/uploads/image/files/57838499139.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=dil+ko+karaar+aaya+mp3+song+downloadPDF link annotation
- 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://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_off0000b408.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB408 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cc1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC1A | 16416 bytes |
SHA-256: 0aab8916e8a1adb962e9b85b61ef9adf0380fcb198115d4a4ca94f0630d180af |
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font_02_sfnt_off0000f64a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF64A | 10972 bytes |
SHA-256: 2bc7d617ec85385e56f41aa2ff0aa2de2dff707c43c00e72ddc4453a48d0f6de |
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