MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via a spearphishing attachment. No specific family could be identified.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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 http://seamacros.com/upload/file/wunelajinebudawemuxof.pdf In PDF document text
- http://merrygoldholidays.com/ckfinder/userfiles/files/zudatovaloxedetetew.pdfIn PDF document text
- https://angem.fr/userfiles/file/vurutujos.pdfIn PDF document text
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/l4qonkearadj922rl3d2tcb5k5/14165718271.pdfIn PDF document text
- http://immobilieninvestors.eu/userfiles/file/ferupefenimekomado.pdfIn PDF document text
- https://euchebnici.com/img/file/zebejuj.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141ece32b22e---72884089798.pdfIn PDF document text
- https://gulfb2b.com/userfiles/file/50055637880.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/0c3323f0df4665d07e79cefbfaa218d4/medosidedukekobafij.pdfIn PDF document text
- http://www.ernakulamarchdiocese.org/www/js/ckfinder/userfiles/files/ronelekowinusemadugizedit.pdfIn PDF document text
- http://kipia-nn.ru/userfiles/file/runotawefitopuwutixib.pdfIn PDF document text
- https://asiastudy.in/ckfinder/userfiles/files/4817428992.pdfIn PDF document text
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16144156b0b900---juduwago.pdfIn PDF document text
- https://eklyps.net/images/file/54555348197.pdfIn PDF document text
- http://sdtrafficticketlawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/18601877557.pdfIn PDF document text
- https://rasathantrananotech.com/ckfinder/userfiles/files/19866421112.pdfIn PDF document text
- http://inbjnews.com/data/cheditor/0603/files/digalajixagigijazizemil.pdfIn PDF document text
- https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161326a31b63fc---60740727485.pdfIn PDF document text
- http://srihemkuntschoolint.com/slbdavbatala/userfiles/file/9356622498.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=free+likes+and+followers+instagram+appPDF 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_off0000d579.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD579 | 17120 bytes |
SHA-256: 612eafebd395b65495217e8f014cbba4781b709edaf131960e3321dead41c21b |
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font_01_sfnt_off0001014a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1014A | 10996 bytes |
SHA-256: 0a6d7c96d970ba1b1c5431b4cc2b9849b34c5e434a629605cfc5affae8bdc11e |
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font_02_sfnt_off00011aab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AAB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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