MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or are part of a link farm designed to obscure the ultimate destination. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution through these links.
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://doanhnghiepvietnam.niengiamdoanhnghiep.vn/img_duhoc/files/80631735072.pdf
- http://thienlongadv.com/upload/files/jovutekavadoxa.pdf
- http://bjjiffy.com/upload/62621469613.pdf
- https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/nvgp1eggsv5nsk71v4c1cd4iel/febekabi.pdf
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/160767db55205b---xifebalekelub.pdf
- http://autobedrijvenindex.nl/images/uploads/golutituxevorojisa.pdf
- https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/8ee5ec0cefc1b9db6113228e264cf9e9/zojin.pdf
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a01951919f9---digewikobitugaw.pdf
- http://xn--oy2b9bv81anouola.com/upload/file/202107250300550007.pdf
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/b30cnpse3uu1qf73u5mr027gg7/93243083363.pdf
- https://epponline.com/mentorfinancial/page_images/file/35123236793.pdf
- https://pamukoglu.com/userfiles/file/xadoniwil.pdf
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/f27deddc52be7372a9c89b704849b05f/mudidutiripevepemevo.pdf
- https://imagebuzz.net/ckfinder/userfiles/files/fizezoga.pdf
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3196a71227---23199804611.pdf
- https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/mapinejijofase.pdf
- http://www.salac.cz/ckfinder/userfiles/files/jiroludexisizemotubirit.pdf
- http://mjacz.cz/soubory/files/jojusemogow.pdf
- https://mattress-leader.com/media/kizisumutufatitef.pdf
- https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/e238a70944c4d9be852e2fa769880f24/wosotorutepikumukijen.pdf
- http://bogelaipigeon.com/upload/file/88252062067.pdf
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d01fb3039a---81023919413.pdf
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/160865af877013---13401223402.pdf
- https://theloneranger.tv/clients/loneranger/ckfinder/userfiles/files/62458061958.pdf
- http://citranco.com/users/files/43112631606.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=inspire+synonyms+english
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000134b1.binc2d6f8cb4e83d2cda8513fdae0cfe7c4cd8bd0f18be2c875d5ddfcf5661b4cc6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134B1 | 10504 bytes |
font_01_sfnt_off00014c51.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C51 | 16792 bytes |
font_02_sfnt_off00016463.bin561072fa7e50f9560dc354ec764d455103010cde7a4ff79a36bd5675700843e7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16463 | 19720 bytes |
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