MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF containing embedded JavaScript, which is a common technique for executing malicious code. It also features numerous external links, many pointing to compromised CMS uploads or disposable hosting, suggesting a phishing or malware distribution attempt. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.5104
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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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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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://sgyscom.com/upload_fck/file/2021-6-28/20210628052846386120.pdf In PDF document text
- http://sgyscom.com/upload_fck/file/2021-6-20/20210620151023909885.pdfIn PDF document text
- https://mygenius.ru/admin/ckfinder/userfiles/files/38737885008.pdfIn PDF document text
- https://onlinendttraining.net/files/3142919838.pdfIn PDF document text
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3202f144d8---zexeripotixaroroj.pdfIn PDF document text
- https://samsungvrvklima.com/upload/ckfinder/files/93927213604.pdfIn PDF document text
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b60460d4093---jakilupepiwomupo.pdfIn PDF document text
- https://www.lightingsolutionsal.com/wp-content/plugins/super-forms/uploads/php/files/bb470454af58fd1c62dc0f8ff3b19f66/dufanuditawubuzas.pdfIn PDF document text
- https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/1b85f77134c68c6dbb133586b5e60cc1/fimukadovofalabuvudi.pdfIn PDF document text
- http://www.heksan.com.pl/file/63763193094.pdfIn PDF document text
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/2a976a29487c6bc522075e79610f54b7/bemarazemow.pdfIn PDF document text
- http://apexhealthnutrition.com/newerac2c/userfiles/file/riwetijoduz.pdfIn PDF document text
- https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/5836a22f22314947a16986db77a9a135/xizopizujujajega.pdfIn PDF document text
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/0009e457674797616875e2fe65d43a2f/nogisuzurafikabibisegitig.pdfIn PDF document text
- https://www.nvsrolko.org/ckfinder/userfiles/files/24567835678.pdfIn PDF document text
- https://www.l-games.jp/js/ckfinder/userfiles/files/11879008976.pdfIn PDF document text
- http://ahxxzx.com/userfiles/202106/file/50785627822.pdfIn PDF document text
- https://lescourailleurs.com/upload/editor/file/bulebig.pdfIn PDF document text
- http://alpha-th.com/userfiles/file/37909526683.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/klh9bgoh5v6pfdjgoaaji1uk4a/tusafagabivalapesewo.pdfIn PDF document text
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b7559235311---51375289472.pdfIn PDF document text
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a764ae5f59---75360267565.pdfIn PDF document text
- http://www.reenactmentmarket.eu/images/wyswig_images/file/25510805612.pdfIn PDF document text
- https://topclassgardening.nl/images/file/jofuwujasatu.pdfIn PDF document text
- http://samuiluxurytravel.com/Uploads/file/82606441152.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=kingroot+4.1+apk+free+download+latest+for+android+6.0+1PDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000109c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109C9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000121db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121DB | 18616 bytes |
SHA-256: 564e452c6a28e8bb6bae2a696c86ef2a1990f4657bbafd3b553d66383cb16700 |
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