MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous links to external websites, many of which are hosted on compromised WordPress installations or disposable domains, suggesting a link farm designed to distribute malicious content or phish users. The ML classifier strongly indicated maliciousness, and the heuristics point to a deliberate attempt to obscure the true destination via link farms and potentially compromised hosting. No scripts were extracted, but the overall structure and URL patterns are indicative of a malware distribution or phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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://synerhu.ru/uplcv?utm_term=play+gba+roms+online PDF link annotation
- http://xn--9p4b29dncp2cc6y.net/upload/fckeditor/file/vufiwufagogefirarixozojaf.pdfIn PDF document text
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/ban5g34upvq48pvu3rnbq06suf/zawonovedefokaduzidofi.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160bce378cd651---9956996729.pdfIn PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074d92d48858---56973898442.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/cmcn8rj1qnim70h460nug1j6n2/92984500337.pdfIn PDF document text
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c1199f419e1---desavewipiroxebugidaxu.pdfIn PDF document text
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/euh1vge83ujtp2ofqrj1bl3780/85618291883.pdfIn PDF document text
- http://accessprecision.com/userfiles/file/fibivagojazumoguxetages.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1609c37d9b68e4---kujakemudekegafe.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160956159953b3---41648119404.pdfIn PDF document text
- https://cesiedizioni.com/userfiles/file/pudelotasotelesiteduban.pdfIn PDF document text
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/4557ae89ea9f1ae244c538de6d4fd147/rajipusudibod.pdfIn PDF document text
- http://jarosi.hu/files/file/kikav.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/jr830v60q52n3e267os4h0jf1f/jurikukidovalanaxegapekir.pdfIn PDF document text
- http://dmkaudit.sk/101/upload/file/1917133358.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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_off0000e82d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE82D | 5248 bytes |
SHA-256: b289d10fee333de3edb68cb295737b711d9310882564fd1f52093088e1b6dd9c |
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font_01_sfnt_off0000f9fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9FB | 10464 bytes |
SHA-256: d27193ff4d45c44d65315cf2bd672a4b5386a91a65a3fc9799d68dfdbf8c5dc5 |
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