MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links, many pointing to compromised CMS upload storage and disposable hosting, suggesting a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of a phishing or SEO poisoning attack, likely leveraging embedded JavaScript for redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 https://drosamahetta.com/userfiles/file/mepepoboniwonadeje.pdf In PDF document text
- http://nt-module.ru/ckfinder/userfiles/files/menoxenozuxobotubomusef.pdfIn PDF document text
- http://biogenetec.tw/image/files/20210730_015252.pdfIn PDF document text
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607be1338fa58---60421807338.pdfIn PDF document text
- https://allegypttours.net/userfiles/files/4618981249.pdfIn PDF document text
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160775554dd108---32428727123.pdfIn PDF document text
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/3d4h7n202n7qmm7gbfl36345m3/93471813455.pdfIn PDF document text
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ef39a554a2---34821965675.pdfIn PDF document text
- http://iburgisidimarsala.eu/userfiles/files/49518014906.pdfIn PDF document text
- http://xn--80akazwaeiw.xn--p1ai/editorfiles/file/81330674487.pdfIn PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b790fd155e6---7261878187.pdfIn PDF document text
- http://nissanotogovap.vn/uploads/images/files/2794065673.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/d442f161f03230c5f7558b685d64532b/80237277358.pdfIn PDF document text
- https://cahayaapi1.com/contents/files/16426671072.pdfIn PDF document text
- https://arch.ua/ckfinder/userfiles/files/70238210898.pdfIn PDF document text
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/1acc85f1de3270b91fb8b04a6ac57447/11771766656.pdfIn PDF document text
- https://smartcirclegroup.com/userfiles/file/jobija.pdfIn PDF document text
- https://giraffeng.net/infodaily/gen-ckfinder/userfiles/files/24625234080.pdfIn PDF document text
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/7432d881042f92b085ad2fb93a2cc31d/mipopapumoni.pdfIn PDF document text
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/i5pfcffb0t5c1ai74rfrl3aumu/sinosajojosemuniv.pdfIn PDF document text
- http://przedszkolenisko.pl/userfiles/file/69630026042.pdfIn PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/9gh35hl2t4hp6kpiev89a81pan/24280556904.pdfIn PDF document text
- http://gwtcs.org/Content/uploads/files/sezelewemiwuku.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=wassily+kandinsky+expressionism+paintingsPDF 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_off0000def9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEF9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f70b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF70B | 20144 bytes |
SHA-256: d935e589713963a9ef193b6f6b3c1c424627a3344498a0b9a3e4f4839d08337b |
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font_02_sfnt_off000129e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129E4 | 11036 bytes |
SHA-256: d525a541f4f06f553355d90f9c9e7c9c8716eb598c66b16ac688ae752f7d6825 |
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