MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to potentially compromised or disposable hosting. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure suggests an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://udruga-invalida.hr/files/57424569095.pdf In PDF document text
- https://nezrenpin.com/calisma2/files/uploads/20128966557.pdfIn PDF document text
- https://kitapkapla.com/upload/ckfinder/files/20224012350.pdfIn PDF document text
- http://eatoceanic.iorderfoods.com/uploads/files/44753921164.pdfIn PDF document text
- https://gregoryshow.ru/files/file/45757406495.pdfIn PDF document text
- http://6nergy.fr/6nergy/sites/default/user/file/35569951612.pdfIn PDF document text
- http://tupnate.com/ckfinder/userfiles/files/magabixoretugor.pdfIn PDF document text
- https://educationindiajournal.org/ckfinder/userfiles/files/63106902364.pdfIn PDF document text
- https://foundationkuzmanov.com/files/5465388967.pdfIn PDF document text
- http://thueotodn.com/uploads/image/files/38609848961.pdfIn PDF document text
- http://rabotatver.ru/userfiles/admin/perez.pdfIn PDF document text
- http://bpsstudio.hu/uploads/womesago.pdfIn PDF document text
- http://jpind.pl/userfiles/file/lexal.pdfIn PDF document text
- https://groupunsur2.com/contents/files/mufogeselalezinosijekukev.pdfIn PDF document text
- https://hinaweb.com/upload/file/wefexowifik.pdfIn PDF document text
- http://llux.vn/uploads/files/vusonupizedujomidifese.pdfIn PDF document text
- http://jia-longsofa.com/uploadpic/jialong151126/files/202109091054027536.pdfIn PDF document text
- https://leganordavigliana.it/uploads/file/8084946837.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/8478849317.pdfIn PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/vtkv8j99r02sf11cd5bgp6vrj1/fiwevulem.pdfIn PDF document text
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613283e176810---kekopel.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/38779175d87bf67da6a649318eca0d3b/xugujokudebafo.pdfIn PDF document text
- http://fecirturizm.com/resimler/files/99662702617.pdfIn PDF document text
- http://www.bash.cl/media/file/pigejulilipavonuvunuz.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=compass+360+pro+appPDF link annotation
- http://cluster006.ovh.net/~greeters/be/ckfinder/userfiles/files/27948247507.pdfIn PDF document text
- 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_off0000da9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA9B | 10436 bytes |
SHA-256: 0baa60a667e2e2d3d515567d5cc71177c7d5b2858dcae5df7b885d37e0ac50fb |
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font_01_sfnt_off0000f242.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF242 | 17480 bytes |
SHA-256: 0efef2b9c6cf1e6459066214f39089036f80503e3d49715f72186a59f5ac0d77 |
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font_02_sfnt_off00011fcc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FCC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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