MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically indicating phishing and trojan behavior. Heuristics identified it as a link farm, with many embedded URLs pointing to potentially compromised WordPress sites and disposable hosting. The document body is heavily obfuscated, preventing a clear understanding of its direct content, but the overall structure and URL analysis strongly suggest a malicious intent to redirect users to harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://akcjonariusz.com/UserFiles/file/31209955585.pdf In PDF document text
- http://aeronautike.com/userfiles/file/gekozulaniz.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/ke14no4q6g5ckgdqce3i271ml8/32906640893.pdfIn PDF document text
- http://medtravel.pro/images/hand_uploaded/files/3966047117.pdfIn PDF document text
- http://www.hangmandigital.com/files/file/84398610978.pdfIn PDF document text
- http://toyotarent.tw/FileData/ckfinder/files/20210717_56E815B17138BAF5.pdfIn PDF document text
- http://aqbnb.com/uploadfile/file/53311791484.pdfIn PDF document text
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e93c2b61e90---satujuwufu.pdfIn PDF document text
- https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/737ac4dd4c5c814337f76194cb53dc59/4998282479.pdfIn PDF document text
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16088682a51522---pisilokur.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160943e68c3604---98869607713.pdfIn PDF document text
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/3c75992585cfdaae75463c04eb02fe38/69638373361.pdfIn PDF document text
- http://distributoram.com/files/file/xupawoj.pdfIn PDF document text
- http://qualityfirstservices.pro/testingsites/advantage_aviation/assets/media/file/nogasavujewiwanizar.pdfIn PDF document text
- http://captaincook.hu/userfiles/file/nupepujirobenufedalenem.pdfIn PDF document text
- http://cl-metalparts.com/d/files/6258901447.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160db5146c55a1---gamavapizano.pdfIn PDF document text
- http://cokhixnktientien.com/Images_upload/files/4470600135.pdfIn PDF document text
- http://alphanaturehk.com/userfiles/file/nowepivivunetabotokokak.pdfIn PDF document text
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/a8e755889bb739179f3db97363979cb9/panotajojategidelak.pdfIn PDF document text
- http://dinskayarealty.ru/media/file/zixininimororimanobexa.pdfIn PDF document text
- http://dok-vo.ru/userfiles/file/masisimu.pdfIn PDF document text
- http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/1608c3b3239536---97149209722.pdfIn PDF document text
- http://ladakhtripmaker.com/userfiles/files/davol.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=rops+and+fopsPDF 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_off0000ea6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA6F | 18648 bytes |
SHA-256: 9e2b114992deb7ca979238efe88586b67328635181647ab22efb2eb1d556bb84 |
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font_01_sfnt_off00011abb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11ABB | 10068 bytes |
SHA-256: 110f02bb035e1072bfe3aec878d7469cd0bc3dcf6dcebe4c2834f58ae440115f |
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font_02_sfnt_off0001313e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1313E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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