MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple compromised WordPress sites and disposable hosting domains. The embedded URLs and the nature of the heuristics strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://infrive.ru/uplcv?utm_term=how+to+separate+magnets+that+are+stuck+together PDF link annotation
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/16074fe8061a71---39178694112.pdfIn PDF document text
- https://myphi.biz/nbloom/fckuploads/file/21275525923.pdfIn PDF document text
- https://ceral.pl/ceral/pliki/file/fiwokesirosuvonunuf.pdfIn PDF document text
- http://saptpadi.com/files/file/49854780206.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c68bc0908ee---semutul.pdfIn PDF document text
- http://apogeeconsultancy.com/upload/files/dumifoxef.pdfIn PDF document text
- http://mynigaoe.com/upload/file/20210605164315.pdfIn PDF document text
- http://charivne.info/images/file/mejoditi.pdfIn PDF document text
- https://arbormaster.net/uploads/files/57379145466.pdfIn PDF document text
- https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/05a80ad363d0686f00cb946bee25abf1/69413856002.pdfIn PDF document text
- https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/e536d0de3c044aa5bc5bde7332b0f3d8/22457074130.pdfIn PDF document text
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/30d296ee59e8495072e4e565a84483a3/94893627098.pdfIn PDF document text
- http://carsonandchain-ip.com/userfiles/file/lapozuvisuzol.pdfIn PDF document text
- https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16079bece44b74---zuziremovu.pdfIn PDF document text
- http://www.kickcommerce.com/userfiles/file/xamepenogivutopokorilu.pdfIn PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160712055ed9fe---lorixitenijerefuwatetera.pdfIn PDF document text
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/1608231a876918---14431922958.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/ja650ue0lkrpc3lei3qoepgqja/zelolisefasoro.pdfIn PDF document text
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/ae24b0f641da9e0fc978029ee411b2b2/miwivobaperen.pdfIn PDF document text
- https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/fc21cf777f360416a04bc80dd01a07ce/vaterotufugobisevene.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e34cccd219---15634650981.pdfIn PDF document text
- http://tramtronbetong.com/uploads/userfiles/file/soreforav.pdfIn PDF document text
- http://xn----8sbxab3abskk3a2j.xn--p1ai/media/file/luruz.pdfIn PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/k2sn431vtu0hj3k1bd22me3si5/sazixibotawazetazakazif.pdfIn PDF document text
- http://ngocvietbungalow.com/upload/files/37213846436.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a97e1306988---16224244860.pdfIn PDF document text
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/a1b850deed2a66fed08e9d031225eaa1/xebokukovujubezupozove.pdfIn PDF document text
- http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160bed5714a837---dixekuwuw.pdfIn 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://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_off0000f163.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF163 | 16840 bytes |
SHA-256: ad46a206304d1f504702dc4db3523be99531a9270551ede5d3943915e8e57aa1 |
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font_01_sfnt_off00011d00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D00 | 10952 bytes |
SHA-256: 0d9252befed4f51486224666ee0ac58f90dc6be4a1a2ce73ddf8366ca2f3f4a4 |
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font_02_sfnt_off00013650.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13650 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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