MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to manipulate search engine results or redirect users to potentially malicious content. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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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://hung168.tw/UserFiles/files/wakodipixapazowesuxux.pdf In PDF document text
- https://gcr.goldcrownresort.com/magazine_files/files/xuwalidewal.pdfIn PDF document text
- https://tidymoney.com/ckfinder/userfiles/files/98723383268.pdfIn PDF document text
- http://wksystems.net/HotelEstimator/userfiles/file/13355636227.pdfIn PDF document text
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614f074468f59---24308650992.pdfIn PDF document text
- https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/tce9r5h9jp88t2vc4nsvrmd5kd/29902779059.pdfIn PDF document text
- http://susasoft.com/upload/userfiles/files/riwowabobifuk.pdfIn PDF document text
- https://gdaniec.com/upload/files/18995918486.pdfIn PDF document text
- http://elitvorota.ru/f/file/sukapebafojaleba.pdfIn PDF document text
- http://interroadholland.nl/userfiles/file/32864294668.pdfIn PDF document text
- https://5uempat.com/contents/files/80016741570.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1613243f26816e---95903953750.pdfIn PDF document text
- http://voszveszprem.hu/_user/file/vedozagizib.pdfIn PDF document text
- http://intimatehotelpattaya.com/image/upload/File/guvibukedowirepobixapeb.pdfIn PDF document text
- http://ingmarcofaedi.com/userfiles/files/lefofewoperimizuvulosod.pdfIn PDF document text
- https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/dd604e69cf0e38b8155ae7be178fc9ca/48199603600.pdfIn PDF document text
- https://alzubidi.com/userfiles/files/nevasitizaxusimod.pdfIn PDF document text
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/430f9e531382103838dd97466eca233c/10874793024.pdfIn PDF document text
- http://wksystems.net/HotelEstimator/userfiles/file/85480367187.pdfIn PDF document text
- http://saluteebenesseresas.it/userfiles/files/46167423230.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=korean+movie+free+online+websitePDF 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_off0000ae4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE4E | 14948 bytes |
SHA-256: 93a466a833cb54743f72b22e1553271a9995aa1335ab05cfebe0d99893524c8a |
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font_01_sfnt_off0000d3c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3C4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ebdb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBDB | 10656 bytes |
SHA-256: 366b12fd8f3f3c25e86a739bd376c1536311b475c6d75ddd5baf40495d4fa749 |
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