MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The presence of a compromised CMS upload link further suggests malicious intent, likely for phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://studiosantese.eu/userfiles/files/60031307546.pdf In PDF document text
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f70e48d97f---70059595776.pdfIn PDF document text
- http://getdol.com/page_data/file/figixeno.pdfIn PDF document text
- https://ipic.vn/userfiles/file/zelotifam.pdfIn PDF document text
- http://csc0516.com/userfiles/file/20210917114856_o5poga.pdfIn PDF document text
- http://www.ufolep-69.com/contenus/files/35827017825.pdfIn PDF document text
- http://flixgolf.com/ckeditor/ckfinder/userfiles/files/pomidolu.pdfIn PDF document text
- https://afma.pt/site/upload/file/88860298983.pdfIn PDF document text
- http://neowork-rh.com/userfiles/file/naxotenepekej.pdfIn PDF document text
- http://ed-union05.ru/files/file/88237979164.pdfIn PDF document text
- http://ecohost.ru/pics/images/file/kakikurexomozalike.pdfIn PDF document text
- http://dallapietamarchisio.it/userfiles/files/69841877409.pdfIn PDF document text
- http://reanda.com/jingkelun/userfiles/files/20211002115152.pdfIn PDF document text
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615a7d8599938---45416522343.pdfIn PDF document text
- http://jagdrevier.hu/upload/images/file/xitijawonajexej.pdfIn PDF document text
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613262716780e---laletujaju.pdfIn PDF document text
- http://gsnursing.in/ckeditor/ckfinder/userfiles/files/97266405433.pdfIn PDF document text
- https://pincodehub.in/userfiles/file/95553989532.pdfIn PDF document text
- http://futuralagoparking.eu/userfiles/files/99080673032.pdfIn PDF document text
- http://xn--nellieskche-0hb.de/userfiles/file/8639009404.pdfIn PDF document text
- http://vertracapital.com/uploads/files/9970129097.pdfIn PDF document text
- https://zoldlaptop.hu/ckfinder/userfiles/files/rasijodixasasamulozo.pdfIn PDF document text
- http://www.deopendeur.org/imgUser/file/62558222022.pdfIn PDF document text
- http://tuhocxuatnhapkhau.com/uploads/ckfinder/files/68466056386.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=soluble+insoluble+fiber+chartPDF 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_off0000cfe6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFE6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e7f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7F8 | 19592 bytes |
SHA-256: 2c31fb7acf94d2a1158d387766316247f7f1702a53dc0163aa0a41863700c6e4 |
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font_02_sfnt_off00011bd2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BD2 | 10748 bytes |
SHA-256: f6d6319f9fa50933e6d2d8edfb2de56cda051e10ecd0b5db4b6a0e118f82eb5e |
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