MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to PDF files hosted on various domains, some of which appear to be compromised CMS uploads. The presence of multiple unknown PDF links suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 https://corpeverest.com/ckfinder/userfiles/files/68334534240.pdf In PDF document text
- http://mrpennarak.com/user_file/file/42041491627.pdfIn PDF document text
- http://webinaris.blog/ckfinder/userfiles/publics/files/7371654408.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/161544f0b11e1d---pijejovuwudexewizenaxiko.pdfIn PDF document text
- https://peptidturkiye.com/ckfinder/userfiles/files/36102452316.pdfIn PDF document text
- https://trungtamgiasuhcmmq.com/uplaod/quangtri/files/47005010204.pdfIn PDF document text
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130327062e05---feveda.pdfIn PDF document text
- http://potlista.com/file/files/pokevepupijokixudekowim.pdfIn PDF document text
- https://rotitelor.com/contents/files/19638196745.pdfIn PDF document text
- https://kirbas.com/img/uploaded/file/57711493858.pdfIn PDF document text
- http://dxczx.com/ckfinder/userfiles/files/20210930_153104.pdfIn PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612f741247585---36389633248.pdfIn PDF document text
- http://rowadhr.com/app/webroot/upload/files/pemotisalomod.pdfIn PDF document text
- http://imhome-listings.com/userfiles/files/zivixizinanutiw.pdfIn PDF document text
- http://artstudiodesign.it/userfiles/files/visuzekotuxuwen.pdfIn PDF document text
- http://bavlas.lt/ckfinder/userfiles/files/xezofa.pdfIn PDF document text
- http://skipjackpoke.com/ckfinder/userfiles/files/89875417617.pdfIn PDF document text
- http://xueyuan.zlyxgw.com/uploads/ckeditor/files/20210929130010.pdfIn PDF document text
- https://red-adlay.com/upload/files/jinovejag.pdfIn PDF document text
- http://xinxinhouseware.com/uploadfile/files/42602581983.pdfIn PDF document text
- https://prcomponents.com/ckfinder/userfiles/files/kelonigunitikofu.pdfIn PDF document text
- http://nanoservice.sk/upload/file/8506406696.pdfIn PDF document text
- http://fipjp.com/userfiles/file/23099084049.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16140530dc7b22---sodorikugometajaren.pdfIn PDF document text
- http://janaturismointegrato.com/uploads/file/55102103878.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=baked+chicken+tacosPDF 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_off0000d788.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD788 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ef9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF9F | 10468 bytes |
SHA-256: 6bbda2a861b45a8b65af4536f14abde73bc9a975a1548ed0a605ada46ff1fb9d |
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font_02_sfnt_off0001075d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1075D | 18784 bytes |
SHA-256: 54099dc180617e42bb77108b4487b916c391de882c8bd074cc1bbcf8612d5ae3 |
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