MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many of which point to potentially malicious domains hosting PDF files. The presence of a 'download button' heuristic further suggests a lure to download a payload. ClamAV detection as 'Pdf.Phishing.Trojan' strongly indicates malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://webkapper.nl/ckfinder/userfiles/files/maxoletatuba.pdf In PDF document text
- https://skvacations.com/userfiles/file/voliguwifage.pdfIn PDF document text
- http://xinchenfast.com/upload/file/2050458612.pdfIn PDF document text
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/bcd0e4d273c3e9d164570ecc4d4d314e/62903599619.pdfIn PDF document text
- https://nichecnk.leaddeehub.com/userfiles/files/72907179154.pdfIn PDF document text
- http://letnipohar.cz/upload/file/labazumajexulozuviruw.pdfIn PDF document text
- https://hotelangela.hu/userfiles/file/tamemikodalipil.pdfIn PDF document text
- http://chandravanshi.com/userfiles/file/lobuxexudezu.pdfIn PDF document text
- https://bjjewels.net/nbloom/fckuploads/file/13663541583.pdfIn PDF document text
- http://cuboni.com/uploadfile/hong202109091615135911.pdfIn PDF document text
- http://alfadent-volg.ru/images_uploads/files/97163742469.pdfIn PDF document text
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/dl61i55i5a3mfismmvuio6rbsr/46005696279.pdfIn PDF document text
- http://lex.tj/img/file/36012304100.pdfIn PDF document text
- https://aodaixuan.vn/app/webroot/upload/image/files/37622883837.pdfIn PDF document text
- http://pazzo.jp/js/upload/files/53653956110.pdfIn PDF document text
- http://casier-a-bouteilles.com/file/kuferefutedus.pdfIn PDF document text
- https://gilbertems.com/videos/file/vujikefabuvopazefalosidis.pdfIn PDF document text
- http://dymenahealthcare.com/upload/fckeditor/file/14917943815.pdfIn PDF document text
- http://uteambio.com/upload/files/94129072783.pdfIn PDF document text
- https://toananhmedical.com/uploads/files/nifugitubo.pdfIn PDF document text
- http://cheniou.handysociality.com/upload/files/sisapetixoj.pdfIn PDF document text
- http://www.premiumimport.nl/ckfinder/userfiles/files/23419004792.pdfIn PDF document text
- https://ipssecurityconsultants.com/ckfinder/userfiles/files/43171433672.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=john+wick+subtitles+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://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_off0000d030.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD030 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e847.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE847 | 10776 bytes |
SHA-256: e1ae6a8d322672ec0da5210ddad0eb6423f58b2c16650952d1abc8c9545e2345 |
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font_02_sfnt_off00010121.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10121 | 20960 bytes |
SHA-256: 01774d0046fccb59df56ee8b66892b0056a77f35357cc1fb31400532738ef239 |
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