MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to websites utilizing compromised WordPress upload storage, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery via these external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://atdawnwelift.com/userfiles/file/65010601122.pdf
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb6394258e---mupujok.pdf
- http://a-kamen.com/userfiles/file/kadumirukikolozalax.pdf
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c179bcd151e---tekekidadaviv.pdf
- https://digidatadecolombia.com/wp-content/plugins/super-forms/uploads/php/files/7a3f795fe8db4ac33db6f7299f753c62/wiwutapag.pdf
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/4c7ae62d4af8d7e9e6b342c6b7138137/97821877047.pdf
- http://purpledoorchurch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608620826285c---gafarosi.pdf
- http://glina-master.ru/admin/ckfinder/userfiles/files/82011508804.pdf
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/16086fc96836f4---72649972619.pdf
- http://papinchess.ru/userfiles/file/31517675450.pdf
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/f772ffa6f0f611fe1dac225c89cf12c4/90538667056.pdf
- https://floridaholidayplanner.com/wp-content/plugins/super-forms/uploads/php/files/fdc409d29513dc61434312b693b44eff/52272384662.pdf
- http://harringtonandlombardi.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/56871469647.pdf
- http://brilspa.ro/userfiles/file///sewiziwod.pdf
- https://dubaimotorcycletours.com/uploaded_images/files/pelixi.pdf
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/ec091bdd904e209aabeb2ed0ebc96963/nikemuzu.pdf
- http://asfalon.com/__files/file/3311635025.pdf
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a3caad77a71---zomabuxakobezigififo.pdf
- https://jaiminsales.com/ckfinder/userfiles/files/5611343163.pdf
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b2cb35aa74c---749126917.pdf
- http://lncxjzxxw.com/upload_fck/file/2021-6-17/20210617103225828975.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=blew+the+whistle
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001c849.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C849 | 16792 bytes |
font_01_sfnt_off0001e05b.bind3824e0b8a68c354b40e5389aa02b2d5222ef8f5796ead7884777d0786e22f2c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E05B | 19048 bytes |
font_02_sfnt_off00021216.bin0d091f93b0d9da4778842fa81decb1945b0dbd33b6f8d88141681976043552e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x21216 | 9860 bytes |
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