MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external URLs, some hosted on compromised CMS uploads. The presence of numerous links on disposable hosting further supports a malicious intent to distribute or phish.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://locke-3c.tw/uploads/files/202109061909141836.pdf In PDF document text
- https://sadex.pl/fck/file/19625077735.pdfIn PDF document text
- https://akrmedia.no/ckfinder/userfiles/files/kofil.pdfIn PDF document text
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149697718f33---banekir.pdfIn PDF document text
- https://jjcfurnituremaker.com/userfiles/files/38123993313.pdfIn PDF document text
- http://mwflower.com/upimagesfile///83574795505.pdfIn PDF document text
- http://kemenyseprosiklos.hu/upload/file/folitotiwuxun.pdfIn PDF document text
- https://luatkhangthai.vn/upload/fck/file/xukisojiganesiweg.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/bc5m7beq7va2nvsmlsgr089obl/pivojirumimovasar.pdfIn PDF document text
- http://coutleelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/6666585969.pdfIn PDF document text
- https://nulifeus.com/~nulife/userfiles/file/5842213541.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16149ced1e18bf---rupus.pdfIn PDF document text
- https://deesudcoolingtower.com/userfiles/file/73498844919.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/c268bc31f5c1351db3537422bd78a621/77406927208.pdfIn PDF document text
- http://veganogle.es/uploads/ckfinder/files/jopabawekowuvajumizuw.pdfIn PDF document text
- https://www.abandassociates.com/ckfinder/userfiles/files/14796326931.pdfIn PDF document text
- http://volkshilfe-vlbg.at/images/content/files/75852931923.pdfIn PDF document text
- https://pingthye.com/userfiles/files/gogumirajaligenakigunawo.pdfIn PDF document text
- http://heryeryesil.com/resimlerfiles/89855327675.pdfIn PDF document text
- http://studioschicchi.eu/userfiles/files/girufuzujekujux.pdfIn PDF document text
- http://dinskayarealty.ru/media/file/teziv.pdfIn PDF document text
- http://ornito-silesia.eu/userfiles/file/tozes.pdfIn PDF document text
- http://gtshotel.it/images/file/32417702506.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=bf+dune+buggy+gta+5PDF 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_off0000db8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB8E | 10544 bytes |
SHA-256: c2df55a41d7f46162701cb422904b0d40f72c5cc6b788e7d7669145d42df9d06 |
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font_01_sfnt_off0000f398.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF398 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010baa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BAA | 21012 bytes |
SHA-256: 5335aa2cddc54279d71cc05fbda86d5efc7c5752d800afb7ce22eeff362cbe43 |
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