MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, flagged by ML classifiers and ClamAV as malicious. It functions as a link farm, directing users to multiple compromised WordPress sites hosting further PDF files. These links are designed to appear as legitimate downloads, likely for social engineering purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/16084b312f2c91---75168056680.pdf In PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16080f31ce4121---79531027247.pdfIn PDF document text
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fbcdb36e67---nazor.pdfIn PDF document text
- https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/810001c569b400bc760af62d0a09186e/videduzokevatarukotomebij.pdfIn PDF document text
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cc4a411810---59743126501.pdfIn PDF document text
- http://afghansolar.com/userfiles/file/vaduwelufixalabizo.pdfIn PDF document text
- https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/9cdde57781a346143e58b047b1332c28/87414018263.pdfIn PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/6tdjb4gublabokthvf9i0s82t7/68890082843.pdfIn PDF document text
- http://www.nena-artspace.com/ckfinder/userfiles/files/35879743730.pdfIn PDF document text
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/c5cbeb2d7db498f103c229a1ea041ffc/28081488216.pdfIn PDF document text
- http://salkim.com/userfiles/file/lejuwov.pdfIn PDF document text
- https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/8d7c2f60d4747dfb5c78ee0023d732c2/47333709788.pdfIn PDF document text
- http://sp3siemianowice.pl/userFiles/files/63760228064.pdfIn PDF document text
- http://tramtronbetong.com/uploads/userfiles/file/50023869754.pdfIn PDF document text
- https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/8e1f2ee942d4a5d269b63b2d4ca63aa3/33768180303.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608cae571bc84---gifolumud.pdfIn PDF document text
- http://orchid-daikanyama.com/userfiles/file/rudux.pdfIn PDF document text
- http://opakowania-loga.pl/zdjecia/fotki/file/11545265768.pdfIn PDF document text
- https://dodatnagarancija.com/userfiles/file/zikebenabi.pdfIn PDF document text
- https://sunarchegypt.com/userfiles/file/jerodasu.pdfIn PDF document text
- https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/43181f7993adb524a92feb34c0de88c2/ditemotu.pdfIn PDF document text
- http://nagakuratrading.com/js/upload/files/58241241720.pdfIn PDF document text
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160affbe652dd6---2776330674.pdfIn PDF document text
- http://mnogonomerov.ru/uploads/file/nobupive.pdfIn PDF document text
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/94goep52t7d0dhaamar34de0im/vaberuwimapozidibejo.pdfIn PDF document text
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16077c90f25344---9261901363.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=pearson+myworld+history+textbook+pdfPDF 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_off0000bf75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF75 | 17104 bytes |
SHA-256: 5ab8f6853737c26753a477a354f033065eb92e1d4c42331df2170759363115b6 |
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font_01_sfnt_off0000eb91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB91 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000103a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103A8 | 11300 bytes |
SHA-256: cc84bf2f8c429e1dc4dcb3907c33e21d425ff0522fbdd9e332bb9adfc80e8f24 |
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