MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users. The primary purpose appears to be directing users to potentially malicious external sites, likely for phishing or to download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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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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://kursadowicz.pl/Upload/file/zezef.pdf In PDF document text
- http://ahlhy.com/uploads/file/301950491534.pdfIn PDF document text
- https://activepymes.com/pub/file/gupexirazolevosozirizisim.pdfIn PDF document text
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160a067e024087---matotefomixasu.pdfIn PDF document text
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/1637c41b33f092296181fe30b56a15a6/8177094646.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/2c906806a0afae019994a6adb915d39a/sawelagerogurezab.pdfIn PDF document text
- https://cam-ceeds.org/ckfinder/userfiles/files/rekudeju.pdfIn PDF document text
- https://datajournonepal.org/files/lazuwubupozijadodev.pdfIn PDF document text
- http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/160b51c1fc5c0e---gerutaxunarunutogi.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a446943219a---liduwo.pdfIn PDF document text
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/90ebaa4951bc9bf423da4756841ba07e/zumazifop.pdfIn PDF document text
- http://jun-travel.com/userfiles/file/funopilixumetivon.pdfIn PDF document text
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ee6fc65641---guwaxaxi.pdfIn PDF document text
- http://yuanyoujie.vip/userfiles/file/dikutotigutel.pdfIn PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/aba17467a3456291521f6890228930be/9254809646.pdfIn PDF document text
- https://aimara-bg.com/userfiles/file/45437359292.pdfIn PDF document text
- https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/tcb6dpin9i0hmp5pb7bnef0ems/kebatexudalovuwidefa.pdfIn PDF document text
- http://minhledtran.com/luutru/files/fuzuvaxuferujonalekin.pdfIn PDF document text
- http://biolabsrl.org/userfiles/files/12119011744.pdfIn PDF document text
- https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/7455e0215ce8591c68c69fb503a1271a/gegaxili.pdfIn PDF document text
- http://mamnonlittlesun.com/upload/files/vafegewexovanor.pdfIn PDF document text
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/l4l1bvp9lq04spauhdag1jgk1c/gubupejotig.pdfIn PDF document text
- https://ebooksweb.net/files/file/30934342745.pdfIn PDF document text
- http://puppies-4u.com/clients/e/e7/e7f09595da74c05d2059c741134300d2/File/nusosovaneta.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=destiny+2+wanted+thyrdronPDF 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_off0000e981.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE981 | 16348 bytes |
SHA-256: afb98b851458ccad21cf97f800d99d84518c888feea59daf71ade6c1d26e5c10 |
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font_01_sfnt_off0001139f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1139F | 10620 bytes |
SHA-256: bde2db6abea72ff5ee6c5b4f52bbf0443a475a6d3920107e88ab27d0975dbdc5 |
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font_02_sfnt_off00012c08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C08 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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