MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to various websites, many of which appear to be compromised or disposable hosting, suggesting a link farm or phishing lure. The presence of external URIs and link farm heuristics strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/43eab17e31ebd4e1de9bcfec63b36b22/21390116805.pdf In PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/f126a67cefa7bc77e80604971bd64a36/rudawulunikisetofuwimoso.pdfIn PDF document text
- http://futurepoolandspa.com/ckfinder/userfiles/files/55236570062.pdfIn PDF document text
- http://alpha-th.com/userfiles/file/66054512677.pdfIn PDF document text
- http://www.monts.sk/upload_images/file/23387363314.pdfIn PDF document text
- http://agendatourvietnam.com/hinhanh/file/76706729464.pdfIn PDF document text
- http://badgerhillfarm.uk/zefopatanatujedumuwo.pdfIn PDF document text
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16091d661e4494---30800838298.pdfIn PDF document text
- http://modern-pro.ru/files/file/paxurotalisa.pdfIn PDF document text
- https://mayersoffice.com/userfiles/file/61097073791.pdfIn PDF document text
- http://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.com/ckfinder/userfiles/files/8265316.pdfIn PDF document text
- https://mfdesign.hu/files/file/basazamimosowepuwiwoleru.pdfIn PDF document text
- http://joy05.com/_UploadFile/Images/file/mokopesuvo.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/161218c8a8fed9---85687205067.pdfIn PDF document text
- http://www.kingsmen-cmti.com/upload/files/ruwefoporiwerawo.pdfIn PDF document text
- http://daoltrading.com/userData/board/file/boluvepudabafatus.pdfIn PDF document text
- http://morpheus-architects.com/file_media/file_image/file/923509506.pdfIn PDF document text
- https://coevent.ru/upload/files/72032659785.pdfIn PDF document text
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afd3828b674---gekusoneme.pdfIn PDF document text
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096ec7d63148---31502769613.pdfIn PDF document text
- https://valve-toho.com/userfiles/file/49105955008.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=nda+2017+solved+question+paper+pdf+downloadPDF 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_off0001201b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1201B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00013832.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13832 | 11208 bytes |
SHA-256: 7f822a2868c1393b90f0c0b8b92c50a450135e0301872ee3ffccc002fa2e9b61 |
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font_02_sfnt_off00015285.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15285 | 19224 bytes |
SHA-256: e742d58df061a8cfc61938d2a54b6a61c38c52845901e8e3d7e9a9b378441acb |
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