MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged as malicious by a machine learning classifier and ClamAV. It contains numerous embedded URLs, many of which point to compromised WordPress upload storage or disposable hosting, indicating a link farm designed to redirect users. The document body is heavily obfuscated, preventing analysis of its direct content, but the heuristic findings strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/674754d1820b931d9d2d9292de265960/vugazomopasebevevekeri.pdf In PDF document text
- http://atlonnuri.org/UpLoadImage/editer/files/derifadujod.pdfIn PDF document text
- http://tatvideo.ru/ckfinder/userfiles/files/690058296.pdfIn PDF document text
- http://xn--q20b13r9leepaeb.net/upload/file/202109051422576006.pdfIn PDF document text
- http://exclusivelimoservice.com/ckfinder/userfiles/files/jejegosemilipedalelu.pdfIn PDF document text
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/93fbfb2714495dee7b0c0ed54bdad0e0/pavexexewinubiwuzege.pdfIn PDF document text
- http://topas.lt/userfiles/file/pubadop.pdfIn PDF document text
- https://ardiinerkh.mn/uploads/userfiles/files/fikazab.pdfIn PDF document text
- https://divinenine.net/userfiles/file/sulumu.pdfIn PDF document text
- http://corporatiegids.nl/uploads/files/xapufevafedume.pdfIn PDF document text
- http://ducnhua.com/upload/files/sudogefika.pdfIn PDF document text
- https://vicotelecom.vn/static/source/images/file/vazufasovugupabi.pdfIn PDF document text
- https://www.potravinyav21.cz/ckfinder/userfiles/files/10564053386.pdfIn PDF document text
- http://dlzhrjd.com/images/uploadfile/files/bisojisajiditolu.pdfIn PDF document text
- https://dreptultau.hotnews.md/upload/userfiles/files/zogobapoj.pdfIn PDF document text
- https://epponline.com/mentorfinancial/page_images/file/sazitezuvalodeba.pdfIn PDF document text
- http://prota.ru/upload/files/40946409149.pdfIn PDF document text
- https://jackinthegymtpe.com/uploads/files/202109070405567430.pdfIn PDF document text
- http://thermocomfort.ca/userfiles/file/pafota.pdfIn PDF document text
- http://xz-brand.com/ckfinder/userfiles/files/92835766101.pdfIn PDF document text
- http://swapnakoodu.com/fck_uploads/file/geteneniz.pdfIn PDF document text
- http://reopen911.info/media/file/91010258934.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132d3464d177---zuteku.pdfIn PDF document text
- http://tsg-edinstvo.ru/userfiles/file/pajugepesapa.pdfIn PDF document text
- http://hausdergesundheit.net/userfiles/files/fenomanuwiso.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=dieta+para+esteatose+hepatica+pdfPDF 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_off0000c00f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC00F | 18112 bytes |
SHA-256: beea5fb2607e020b8ea624769eb9c4066e94e6eaf8be822a527b91559b177cc7 |
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font_01_sfnt_off0000edf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDF1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010608.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10608 | 10568 bytes |
SHA-256: 1d85453747934300338d9d4640e1e2d8772f6fa29eca38e6ffd3a08e208b088d |
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