MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous links, many pointing to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users to malicious content. While no scripts were directly extracted, the PDF structure and embedded URLs indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://milliondollardesiclub.com/upload_files/featured/files/sorowojemopidavonipisaze.pdf In PDF document text
- https://allmassage.net/upload/file/20210907031837.pdfIn PDF document text
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614081755081f---81475972563.pdfIn PDF document text
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/fce5669382608e8bff9e46f11a86afbf/71400590437.pdfIn PDF document text
- https://bostaninsaat.com/image/files/7962077739.pdfIn PDF document text
- http://trieuduong.com/images/Download/21323204628.pdfIn PDF document text
- http://erpsamik.com/ckfinder/userfiles/files/jirugusurulalezubiraruz.pdfIn PDF document text
- http://xn--franzsischebulldoggen-lec.eu/userfiles/file/76749008590.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16140bc1928dc1---pajat.pdfIn PDF document text
- http://bangladeshceramicsociety.com/uploads/editor/files/tofekarenufowariwawu.pdfIn PDF document text
- http://stonepigments.com/userfiles/file/xoxuk.pdfIn PDF document text
- http://wangyiphk.com/userfiles/lomemetoxalubi.pdfIn PDF document text
- https://www.mnogotrop.com/ckfinder/userfiles/files/renupadubusenemudateba.pdfIn PDF document text
- https://efficientinfocomm.com/ckfinder/userfiles/files/venikuzusawi.pdfIn PDF document text
- http://yuhuimachinery.com/d/files/64498326959.pdfIn PDF document text
- http://comp-art.ru/userfiles/file/43446892500.pdfIn PDF document text
- https://concurs-euclid.ro/upload/fck/20092090306.pdfIn PDF document text
- https://qualityroofinnandsuites.com/nbloom/fckuploads/file/kevumevazawikego.pdfIn PDF document text
- http://digitalpolicycouncil.com/imagenes/file/jezax.pdfIn PDF document text
- http://xn--9w3b270a7kf.kr/ckfinder/userfiles/files/22559419323.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=lol+wild+rift+obb+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_off0000d1fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1FA | 16744 bytes |
SHA-256: c8d9bdee4190832dc931f0789eed0d57568afb48ced09d553bda1f1ff553c0ce |
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font_01_sfnt_off0000fdb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDB2 | 10232 bytes |
SHA-256: a78ec4f39018635ea55cdded35ed9f1cac8b4931a647504fa58758cee3815ab8 |
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font_02_sfnt_off000114c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114C3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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