MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan threat. The presence of numerous embedded URLs, including one pointing to a suspicious domain ('bk-plus.at'), suggests an attempt to redirect users to malicious content. Although no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a phishing lure, likely using embedded JavaScript to facilitate the redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 5
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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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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://bk-plus.at/userfiles/files/gifexevewepuwisikute.pdf In PDF document text
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/16140274675b68---48678873552.pdfIn PDF document text
- https://landbondcorten.com/attachment/file/f7997f2dc72b6a16a8e589faba7d3f96.pdfIn PDF document text
- http://alicekhenrylawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/42915360418.pdfIn PDF document text
- https://vietucmould.com/img-vietuc/files/60566481553.pdfIn PDF document text
- http://www.logistiekverbeteren.nl/ckfinder/userfiles/files/kidiza.pdfIn PDF document text
- https://davaocarrental.com/images/file/14650503517.pdfIn PDF document text
- https://pediatricpotentialsnj.com/PP/PPpng/files/62235367310.pdfIn PDF document text
- http://sistarelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xasitibirukeb.pdfIn PDF document text
- https://btsis.com/upload/ckfinder/files/14282219400.pdfIn PDF document text
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614170a09f846---84888262171.pdfIn PDF document text
- http://xn----0tbbbfo0f.xn--p1ai/userfiles/file/3674462481.pdfIn PDF document text
- http://vankouwenenmastop.nl/UserFiles/file/55559648179.pdfIn PDF document text
- https://cambodiadriverservice.com/userfiles/file/1696870450.pdfIn PDF document text
- http://dlzhrjd.com/images/uploadfile/files/tuwenivotag.pdfIn PDF document text
- https://bunian-co.com/other_files/File/94665292641.pdfIn PDF document text
- https://delphin-bau.com/ckfinder/upload/files/67960613704.pdfIn PDF document text
- http://dansecyr.ca/pdf/file/8452248912.pdfIn PDF document text
- https://insp.biz/img/file/sazopugepuwifevuboro.pdfIn PDF document text
- https://newsru.md/upload/userfiles/files/41137407873.pdfIn PDF document text
- http://kramor.bg/userfiles/file/xirujimu.pdfIn PDF document text
- http://sfipl.in/userfiles/file/pibubixunajiwabogipugibik.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=prince+of+persia+the+two+thrones+game+downloadPDF link annotation
- http://zs.tom.ru/jsplugins/ckfinder/userfiles/files/66764378017.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_off0000d93c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD93C | 22968 bytes |
SHA-256: 8e3c726e569f7e333e48f5bef5d52fc9c76afd162d27d3e61d9bd2d557510f87 |
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font_01_sfnt_off00011381.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11381 | 11156 bytes |
SHA-256: cbccb1ddcc4bab7874a0ec61d0fd3e5ce44764928b121fa686ac5d755c473c9d |
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font_02_sfnt_off00012d3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D3C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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