MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm pointing to multiple compromised websites, a common tactic for phishing or distributing malware. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as a phishing trojan. While no scripts were directly extracted, the PDF structure and embedded URLs suggest an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/be08bd4ee4ee0da78f0178a449cf3743/zupotamo.pdf In PDF document text
- https://airshow-bg.com/file/zetikafodawowixafibifex.pdfIn PDF document text
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/94b418a403988c6456ecec2bb6cdc909/sinekovegobirola.pdfIn PDF document text
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160954e8b3f2bd---19603990466.pdfIn PDF document text
- https://bmw-zona.ru/uploads/file/zezexozuwir.pdfIn PDF document text
- http://technestudio.eu/userfiles/files/47450779174.pdfIn PDF document text
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/ftbrpkcak1js8hs7dfq6ku60qu/nitujozuvogegore.pdfIn PDF document text
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2032c42aab---benebuma.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/4cdce188e9a42d831228a0fbd7bc14cc/jisoguvive.pdfIn PDF document text
- https://kp-bs.ru/upload/files/vokodisivo.pdfIn PDF document text
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/nqgndp9jtbtts5nnnian1cu6o9/gofaxinafobiro.pdfIn PDF document text
- http://csc020.com/userfiles/file/20210613040939_2511l0.pdfIn PDF document text
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/h2b0vp4lipncblrfbjm4fi1eh3/8334495883.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/16078df795b3f7---84661294327.pdfIn PDF document text
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/2689240f8553e5958bdb273d60a2b651/75497566636.pdfIn PDF document text
- https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/66nqfmvemkmkld1k3map7fmu1r/panoguvava.pdfIn PDF document text
- https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/11305fa0751fac197b08de1ef7045441/61948101067.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=download+weathering+with+you+freePDF 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://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_off0000b7bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7BF | 5184 bytes |
SHA-256: fd13a7985064c3eb6c7fd799f2f142f0e3f96b63f18e4f9ff24df3531d7f97cc |
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font_01_sfnt_off0000c981.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC981 | 10416 bytes |
SHA-256: c4de4230ac8e6f6da0e59249d39692d54d4a232a68350895783f543fd169dae9 |
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