MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm directing users to multiple compromised WordPress sites, which in turn host other PDF files. This behavior is indicative of a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to exploit vulnerabilities or trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9773
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074a2eaeb0b4---81639946688.pdf In PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/qa176p8q3ar48gh1sv8lbadlre/31234189935.pdfIn PDF document text
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4447fc6af15592c189c3b7995f93d329/14372885170.pdfIn PDF document text
- https://alatheir.com/atheirwsfiles/file/46210515943.pdfIn PDF document text
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/ko3n6jnubvvdkiuapkbmrsji0e/zinisufikafusozokisi.pdfIn PDF document text
- http://efuegypt.org/userfiles/file/37429130970.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d71c81aac0d---raraxekidisejug.pdfIn PDF document text
- http://ecohost.ru/pics/images/file/81479266841.pdfIn PDF document text
- https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/85eapdnmg4do9p1sr2mtkk6k14/85611140118.pdfIn PDF document text
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1607e26a418063---76697016722.pdfIn PDF document text
- https://www.lightingsolutionsal.com/wp-content/plugins/super-forms/uploads/php/files/0b58bf11849452a3233b2069680d2571/desodiligemumi.pdfIn PDF document text
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/a7c371715c4913b182abda65bc071be8/88452392069.pdfIn PDF document text
- http://ibconsulting.it/userfiles/files/54386527429.pdfIn PDF document text
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/q92vnj4l1qom4pm4ll01hd4hu0/47951189102.pdfIn PDF document text
- http://webcertain.net/contentupload/fckeditorUploads/organization_/file/moxuboronilakirifox.pdfIn PDF document text
- https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/7cbbfc048af5862dae214dcaaa91c049/sunuximav.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0c8f9ed172---sevesomogejobasozajox.pdfIn PDF document text
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/4fc19a2092416c10b19f0f1b349069e3/dakepevit.pdfIn PDF document text
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608f6907c5187---sotigomerixededunewug.pdfIn PDF document text
- http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16074b59666379---banagizakelozeporarizoz.pdfIn PDF document text
- http://robalton.es/Albums/images/file///domulipiguwisiporinalune.pdfIn PDF document text
- http://www.look4job.gr/images/_user_na/file/86259654317.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a4366605ca3---mivav.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160bfb210ccb94---53531888131.pdfIn PDF document text
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/vo0ptsudbdvqjv3272emev0vb0/geluzibebogixakererus.pdfIn PDF document text
- https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/32ceqtmnt1e3j2n0i5b8doujul/66575987314.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609c27987e07b---malekuzoki.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=most+massive+subatomic+particlePDF 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_off0001293d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1293D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001414f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1414F | 19832 bytes |
SHA-256: cabf950e2a43e0c33ba9c4fb8f2be041a5c374d2acb2109db47d5c26a543ed80 |
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font_02_sfnt_off000175b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x175B1 | 10728 bytes |
SHA-256: 6a2c58342ca03d26f7411fafaf5c7f784c7eba7341fea028a36e78aa73e0a6ef |
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