MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of an attempt to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/4a67711454142e42bd799102d1a0db87/pojavolizoz.pdf In PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090337f35809---joxerojadovubemojizonej.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/geo00l971cik4tgeuhml11j3f0/95536939649.pdfIn PDF document text
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/l5fa1mnh64i2gllsk4npbe43un/12998682864.pdfIn PDF document text
- http://ekbdrive.ru/ckfinder/userfiles/files/rixizarubamusu.pdfIn PDF document text
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/50064598101.pdfIn PDF document text
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/9432d850a25a2053ce442deafa3ea0f9/60485904078.pdfIn PDF document text
- http://controlsystemco.com/cache/fck_files/file/firakuruzur.pdfIn PDF document text
- http://xn----7sbabaajmdfbk3ddf3azka3b6a2r.xn--p1ai/ckfinder/userfiles/files/64030482338.pdfIn PDF document text
- http://tcihk.com/userfiles/vorejulopokadujobopapo.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160d8c7ac80544---nirovidobawaxeme.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607468cbd5648---dutarojefitejutozurate.pdfIn PDF document text
- http://abnicum.com/files/file/68623475476.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba4fe0186df---nikimobumipukulojok.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a638119c474---33453432073.pdfIn PDF document text
- http://fkjz.cn/upload/files/2021/07/202107101820538920.pdfIn PDF document text
- http://buildinggodskingdom.com/webcms/file/94125255405.pdfIn PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/bb9ea4588d6ef58be46b91ff7a5f95ce/32442728088.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/63ljijr089g1jmf9aruegqhgg7/48558771399.pdfIn PDF document text
- http://otvorene-srdce.sk/userfiles/file/mewiwugovobekari.pdfIn PDF document text
- https://vidaleve.ind.br/ckfinder/userfiles/files/9079289913.pdfIn PDF document text
- http://fapannimario.it/userfiles/files/56868845623.pdfIn PDF document text
- https://mttrasportisrl.it/dati/upload/file/44287957533.pdfIn PDF document text
- https://www.llgnjinc.com/wp-content/plugins/super-forms/uploads/php/files/5eaf986f7689aba0c5f5e63a2b7b765e/44137680467.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=lectura+comprensiva+para+ni%C3%B1os+de+cuarto+grado+de+primariaPDF 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_off0000fb13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB13 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011325.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11325 | 18544 bytes |
SHA-256: 9abe671e267910f011315012a2691b98fd52c5cd9ec424b86bf390b0c7f2de52 |
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font_02_sfnt_off000141dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141DD | 11140 bytes |
SHA-256: dd74640783d4906490236ecb06c08e8ca78af993b8cc5eda33f13dc06079f666 |
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