MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body is heavily obfuscated and appears to be non-readable content generated by wkhtmltopdf, providing no direct user-facing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9747
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://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/ac5af3af3696602fbee0dc827663e2d0/61002795208.pdf In PDF document text
- http://applecentervn.com/uploads/image/files/63671711487.pdfIn PDF document text
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/065bb4d527ed2fc71197e453d8796e0a/rajakitomidug.pdfIn PDF document text
- http://cementfeet.com/userfiles/file/xurabivusodoruwun.pdfIn PDF document text
- https://fetogram.com/images/upload/files/13122945701.pdfIn PDF document text
- https://vanphongphampmc.com/upload/files/47930971903.pdfIn PDF document text
- http://pokemom2.com/uploads/files/48627146507.pdfIn PDF document text
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/0b6c55b0312a913da75cb64fd5d65ac4/10080583143.pdfIn PDF document text
- https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/i6mvv779666gr5d8pkgnignqr7/50472942477.pdfIn PDF document text
- https://alrukn.co/userfiles/files/xenurazanuk.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c9e13627fb---83730623590.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fc7ed2878a---jididazumetiv.pdfIn PDF document text
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ed89caaa53---57321452023.pdfIn PDF document text
- http://matstravel.ru/userfiles/file/xaguvezoli.pdfIn PDF document text
- http://twfbs.com/ckfinder/userfiles/files/xotogevapakisadepatozed.pdfIn PDF document text
- http://starlightcelebrates.ca/clients/4/43/43e9139217482d7666ce300faf566241/File/80023156460.pdfIn PDF document text
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/vk6p9vt92apq28hdm3j7hfuoc4/76750319803.pdfIn PDF document text
- http://rld-carbon.ru/file/97429066828.pdfIn PDF document text
- http://satakantaresort.com/user_img/files/85737690868.pdfIn PDF document text
- http://passaicvalleyclassof1957.com/clients/44362/File/nezoji.pdfIn PDF document text
- https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b5d9456e63---tebalegepagonaluv.pdfIn PDF document text
- http://ks4073.com/file_media/file_image/file/nujigaxifedamezudi.pdfIn PDF document text
- http://stavebnevyrobky.sk/www/upload/files/pilavujodazixiwavixefuzes.pdfIn PDF document text
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099dad8c6b53---45254069506.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607376aa56d13---70228944651.pdfIn PDF document text
- https://ltgtrends.com/wp-content/plugins/super-forms/uploads/php/files/c927de0eeb9b6633539912cef1931afe/tuvodisovak.pdfIn PDF document text
- http://harasim.cz/uploaded/files/pexew.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=the+croods+1PDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010462.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10462 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011c73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C73 | 16092 bytes |
SHA-256: 9d5144547e0b729630886a3ad3ce48e7da84b0115899dd9c2390406af6f0fecd |
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font_02_sfnt_off000131b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131B4 | 17364 bytes |
SHA-256: d31425d314f8d01a2b5e47cdb79e5886db4c8c9e018e0e0e8faf23bb00ba4c7b |
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font_03_sfnt_off00015f4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15F4E | 9980 bytes |
SHA-256: 45aa4151d0170efc5715f1c076b71801605f91e7d1a5a42333beb5af0973e2a3 |
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