MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, suggesting it functions as a link farm. The presence of 'utm_term' parameters in some URLs further supports the idea that these links are intended to direct users to potentially harmful content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/16085fa3cecd93---10914927882.pdf In PDF document text
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c535e8a44e3---11749346736.pdfIn PDF document text
- https://master-service.ro/images/file/daxagemuferi.pdfIn PDF document text
- http://homeopathyhongkong.cn/files/kukodurimibera.pdfIn PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa10b09c98---95473219880.pdfIn PDF document text
- http://business-plan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/jawamimuxelajivazifo.pdfIn PDF document text
- https://bbpartner.cz/userfiles/file/sivaripiwix.pdfIn PDF document text
- http://iproperty.ae/userfiles/file/74473200938.pdfIn PDF document text
- http://nakatka.com/files/file/80881607387.pdfIn PDF document text
- http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/e434139e19dd0c85e9cc0b95099ce566/54275018201.pdfIn PDF document text
- https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/6f89237aa9f05c239c45719ba4ac0106/35708806292.pdfIn PDF document text
- http://aimic.com/userfiles/file/72431706250.pdfIn PDF document text
- https://amenajarisiconstructii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607b44940be61---23974418013.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afc8c5813b1---96777063599.pdfIn PDF document text
- https://tasleemdubai.com/userfiles/files/56115481384.pdfIn PDF document text
- https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/f4ccc9a673886c26a7d7cad06da8e12d/lujanozelol.pdfIn PDF document text
- https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/2507ff3d345e7f153a45d954b5a9b8c6/8423862690.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b48a63cad04---33866925740.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=carnal+knowledge+and+imperial+power+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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f8cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8CF | 5244 bytes |
SHA-256: a5613dc062fef362351df6a03aa3b6f975352e23deb70801dc07fb896a384a87 |
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font_01_sfnt_off00010aa7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AA7 | 11548 bytes |
SHA-256: 760f21aca88b41721b61abd73844b8bb4f0ccf0231e30eefb5cbfcac81146bc2 |
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