MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links, many pointing to compromised CMS upload storage and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/161361f63adb98---xejetitupofimikekov.pdf In PDF document text
- http://akademibt.com/resimler/files/19445479912.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/161342126bdb06---rodapavilo.pdfIn PDF document text
- https://ubitanduk.com/contents/files/diwikutofisobuzorix.pdfIn PDF document text
- http://alompar.hu/uploads/content_files/files/60130764314.pdfIn PDF document text
- https://karapinler.com/calisma2/files/uploads/tawaziw.pdfIn PDF document text
- http://nayyaralidada.com/alpha/ckfinder/userfiles/files/salunimojiwefigagomemota.pdfIn PDF document text
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613396db72eac---33359405314.pdfIn PDF document text
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/43c4138ufb84qfh5trorhkuums/fakimuwubinevotori.pdfIn PDF document text
- http://joeun-it.com/userData/board/file/jopimemepanoxef.pdfIn PDF document text
- http://cppzone.ru/users/blogs/file/84589716873.pdfIn PDF document text
- http://rainternacional.com/userfiles/file/wiwawovonipasefalokazu.pdfIn PDF document text
- http://daiichihr.com/uploads/news_file/zutor.pdfIn PDF document text
- http://fuguchair.com/upfolder/e/files/20210908132300.pdfIn PDF document text
- http://ohana1bbq.com/uploads/files/nemujodamumur.pdfIn PDF document text
- https://zhansq.cn/upload/file/wupakimuwowalefodiz.pdfIn PDF document text
- https://mingyi-lock.com/data/file/userfiles/files/92199838792.pdfIn PDF document text
- https://xn--90aoja6ahg5ds.xn--p1ai/uploads/files/86972797347.pdfIn PDF document text
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613add10d639a---sududigojil.pdfIn PDF document text
- https://t2sc.me/userfiles/dajegore.pdfIn PDF document text
- http://quick-thailand.com/images/uploads/file/jedoje.pdfIn PDF document text
- https://episcopiaoradiei.ro/files/80153337912.pdfIn PDF document text
- http://belean.pl/userfiles/file/48790554839.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=pathfinder+rpg+core+rulebook+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_off0000c3fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3FC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dc13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC13 | 11064 bytes |
SHA-256: 92bdfb4c49e36d254c12582e164e282b5c769bee3be1b21bcf4369b58b8407c8 |
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font_02_sfnt_off0000f549.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF549 | 16956 bytes |
SHA-256: 0b909aca94fc1fe1bcd7aad1d1c77788373fea82a5ed98a1b475edf418195f19 |
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