MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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.mds-horizons.com/upload/files/ruwipisumajidunamuzuxo.pdf In PDF document text
- http://feg.vn/uploads/files/21902110135.pdfIn PDF document text
- https://kede.org/userfiles/file/raxizebuvexesumixivo.pdfIn PDF document text
- https://fourseasons.events/wp-content/plugins/super-forms/uploads/php/files/233f55e8a58becfe0f2697dd5a8d06dc/zatadekasolixuxelimegix.pdfIn PDF document text
- http://designbeginnings.com/upload/file/98280741213.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/2tcdti4s2cvrdn0d9us9tsgbq3/9889977661.pdfIn PDF document text
- http://home-delighted.com/user_img/files/kirirorevejozudimorobela.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160b2d568d7f83---tupatufowalejavufer.pdfIn PDF document text
- http://huron81reunion.com/clients/f/fe/feec28e48c841af8be4ad6373737a022/File/3146192692.pdfIn PDF document text
- https://noddy.nu/images/file/86952208700.pdfIn PDF document text
- http://lapenya.cat/imgjovesnaves/file/79253067779.pdfIn PDF document text
- https://masterjobintl.com/ckfinder/userfiles/files/sorigidoporanufu.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c2c8e33af88---38088380248.pdfIn PDF document text
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/fbf3e375dd0f8cd337e6a3044a90da91/71267102041.pdfIn PDF document text
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160ad8b60c87a3---xogadaxusuvamezomoz.pdfIn PDF document text
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/d44a10b03536fa158cb1b174975cdebe/42377346175.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089419fda213---kuwumojemojibiselikazuwo.pdfIn PDF document text
- http://ecohort.com/userfiles/files/moxenarubogujepiduraganij.pdfIn PDF document text
- http://chiangmai-clean.com/user_img/files/14486740037.pdfIn PDF document text
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc192ac6c8---68351573616.pdfIn PDF document text
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dd7b054a1eb---13689713042.pdfIn PDF document text
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/0044726b6b71989fdf76d3afe08ab4b5/keziwed.pdfIn PDF document text
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/hoob602safqt0vo16etaotjsq5/zopirazabigiwewotovi.pdfIn PDF document text
- http://akkoryazilim.com/userfiles/file/2983103222.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3f9af42364---33855704784.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=lista+de+coros+pentecostales+letrasPDF 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_off0000ed04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED04 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010516.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10516 | 18964 bytes |
SHA-256: 4f2d147710f4d10f376dd2ee10e3a21fa6fb94943752d974dfb12ec277e5a428 |
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font_02_sfnt_off000135d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135D0 | 10464 bytes |
SHA-256: 362786ca48ea173bf87eacdbdd8883f990f95829619041adc34f206c2844b581 |
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