MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, with several pointing to other PDF files hosted on compromised websites. This behavior is characteristic of a link farm used to obscure the ultimate destination, likely a phishing site or a malware download server. The ML classifier and ClamAV detection strongly indicate malicious intent.
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://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/fede729cca21e850c34a9e60f4667d22/88018976222.pdf In PDF document text
- https://eslms.com/userfiles/file/51157802655.pdfIn PDF document text
- http://digilit.ir/basefile/digilitir/files/37437676390.pdfIn PDF document text
- https://mintowncoffee.net/uploads/images/files/3268012810.pdfIn PDF document text
- https://samsungvrvklima.com/upload/ckfinder/files/lufasagitexamabetizedewan.pdfIn PDF document text
- http://agierresrl.it/userfiles/files/52160204865.pdfIn PDF document text
- http://unipsyclinic.com/userfiles/file/20210907071949.pdfIn PDF document text
- http://dambi.pl/userfiles/file/91915889312.pdfIn PDF document text
- https://jamurgoreng.net/contents/files/8139956839.pdfIn PDF document text
- http://spad.kr/userData/ebizro_board/file/55591459214.pdfIn PDF document text
- https://zweefvlieg.net/userfiles/file/mabovomikamokofebobix.pdfIn PDF document text
- http://tangneylaw.com/admin/images/file/puvakazebiniduporumafu.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161409adbf1c76---kakasu.pdfIn PDF document text
- http://myoffice2561.sesao33.net/UserFiles/File/3957778504.pdfIn PDF document text
- https://conexusinternational.com/ckfinder/userfiles/file/51164269985.pdfIn PDF document text
- https://eastmangroupllc.net/ckfinder/userfiles/files/jaduvemukesisesuxi.pdfIn PDF document text
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139d2ef6097f---24258543090.pdfIn PDF document text
- http://kstarsmall.net/userfiles/file///kiwuxipulizazijokeganowik.pdfIn PDF document text
- http://szcftz.com/upload/lijovi.pdfIn PDF document text
- http://vincentianssjp.com/userfiles/file/tatobitobalukifotom.pdfIn PDF document text
- https://psihodesk.ro/ckfinder/userfiles/files/pukemujugatowefoxi.pdfIn PDF document text
- http://gemmacapitalgroup.com/foto/file/gamudad.pdfIn PDF document text
- https://whatproperty.ng/ckfinder/userfiles/files/84309261413.pdfIn PDF document text
- https://semot.com/Store/userfiles/file/83828381622.pdfIn PDF document text
- http://dajuicebarus.com/uploads/files/85186981583.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=degrees+to+radians+in+fraction+formPDF 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_off0000d22d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD22D | 17680 bytes |
SHA-256: 5b76a0bdcde8e573ddfab2c3c50e1bfe7dce79c82f43d79571c6254257e5217d |
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font_01_sfnt_off0000fff5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFF5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001180c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1180C | 10776 bytes |
SHA-256: 1ffe1d9e7681aa53b6c2b52783b3977b4bdf7cef63a59e6af7509e06a869e4cb |
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