MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to compromised websites and disposable hosting, forming a link farm. This suggests the document's primary purpose is to lure users to external malicious sites, likely for phishing or to download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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 http://kimandyoo.com/userfiles/file/xilusejopulodi.pdf In PDF document text
- https://elnativocoffee.com/silver/upload/files/60683460019.pdfIn PDF document text
- http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/jusazelinekukik.pdfIn PDF document text
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/uld8bc5sibpcdjjt2om493o03a/kotazerogujizefunirolevak.pdfIn PDF document text
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/62a7fc38ee37c1a601c0129cc1db977f/28864433896.pdfIn PDF document text
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/e2cf656ea262791cc077a8d0fb3b7d66/jegowitejir.pdfIn PDF document text
- https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607c6b57401af---boramazuxibewewulox.pdfIn PDF document text
- http://nashcentralfalcon.com/clients/d/d5/d5bea9c86035def548a020f7371d19fe/File/fotufizotele.pdfIn PDF document text
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9541f7b205---kigajon.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d6d4527eba3---zipakas.pdfIn PDF document text
- http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/7722336a799478741dac366c9e4d5560/21505049066.pdfIn PDF document text
- https://brazilairporttransfers.com/ckfinder/userfiles/files/mogadibamaniv.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16073d49c91aad---katasemegetibagepatelip.pdfIn PDF document text
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/e96a01d055f7f1fde0e54b0b24fd499e/3133089537.pdfIn PDF document text
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/kashhvejfkaqot3ur9flljp99d/7639569932.pdfIn PDF document text
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/tl3t3p346mpfnilv75hruh6vi2/73157218936.pdfIn PDF document text
- http://gillsandgeckos.com/userfiles/file/kaxebaxolimuzatotasut.pdfIn PDF document text
- https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/35b7c3b926d8f414fb09f7652d15f5a7/sazofemulewixubinituraji.pdfIn PDF document text
- https://apoiotelecom.com/imagens/img_fckeditor/file/1269977252.pdfIn PDF document text
- http://boilerservis.ru/uploads/files/zujupuxavapil.pdfIn PDF document text
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/097493d547767b46d285914d238380ca/45923769864.pdfIn PDF document text
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/mmimgu4ctgm95ljvd7ge1euuid/gawekajesil.pdfIn PDF document text
- http://hitecds.com/userfiles/file/70152291139.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=ora%C3%A7%C3%A3o+periodo+simples+e+composto+por+coordena%C3%A7%C3%A3o+e+subordina%C3%A7%C3%A3oPDF 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_off0000fb7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB7F | 19752 bytes |
SHA-256: 1adc68a4396d58e40efa61cb902a1712c158deab6d44e43d45b9cbddf68abe27 |
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font_01_sfnt_off00012b7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B7F | 11404 bytes |
SHA-256: 1ba754a565c5709cda7548b533f3e70adba8990d76c66262a188a1fb9a214156 |
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font_02_sfnt_off00014574.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14574 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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