MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier. It contains numerous links, many pointing to compromised WordPress upload directories and other potentially disposable hosting, suggesting a link farm designed to redirect users. The presence of these links indicates an attempt to lead users to malicious sites, likely for phishing or to download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://flyingfish-stay.com/userfiles/file/kajajanamagusajoj.pdf In PDF document text
- https://vongtaytramhuong.vn/upload/files/35112913423.pdfIn PDF document text
- https://fundacionamigosdelmarcaribe.ong/ckfinder/userfiles/files/79644843935.pdfIn PDF document text
- https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/490cd0b9bf8dcd953b46acee567fa609/48742239157.pdfIn PDF document text
- http://indago-rovigo.it/userfiles/files/54957307118.pdfIn PDF document text
- http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/eu7c4ihk7ah1prigl54hipfgr1/45477802750.pdfIn PDF document text
- https://mytalk7.com/_UploadFile/Images/file/57407373250.pdfIn PDF document text
- http://ammk.sk/userfiles/file/8234222088.pdfIn PDF document text
- http://preciz.com/uploads/wysiwyg/files/16559601225.pdfIn PDF document text
- http://ezclasssites.com/var/wwww/dev-ezclasssites-com/data/files/91233850298.pdfIn PDF document text
- http://xn--80aa5alfu.kz/file/19207997457.pdfIn PDF document text
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1613b54d93fafd---87262612497.pdfIn PDF document text
- http://anhuizhkj.com/upload_fck/file/2021-9-12/20210912012511939086.pdfIn PDF document text
- http://ranfeng.com/userfiles/file/2021-9///2021913857227777.pdfIn PDF document text
- https://tradingcall.in/ckfinder/userfiles/files/49107554704.pdfIn PDF document text
- https://i-intelli.com/ckfinder/userfiles/files/28524502452.pdfIn PDF document text
- https://dutchfansitenetwork.nl/ckfinder/userfiles/files/36514716212.pdfIn PDF document text
- http://www.sosonomo.com/ckfinder/userfiles/files/11654701331.pdfIn PDF document text
- http://inannamsao.com/uploads/files/22696844809.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/86013400054.pdfIn PDF document text
- http://richmore.kr/uploadfile/fckeditor/file/12219920659.pdfIn PDF document text
- http://quimicahj.com/admin/userfiles/userfiles/file/nitilegovemodo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=the+structure+of+a+newspaper+articlePDF 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_off0000eb95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB95 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000103ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103AC | 10728 bytes |
SHA-256: 7daae3bebce0121df10ebb65a98c1dd68447e98cf3bd92acf67e3e63ed359b7c |
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font_02_sfnt_off00011c59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C59 | 17652 bytes |
SHA-256: 7c50cd283e5ec43390a60bd3aed2923ffd23b332c9809f7d6c565c9c67994e8c |
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