MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
T1059.007 JavaScript
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to compromised websites and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of a 'download button' heuristic further supports the intent to trick users into downloading malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9930
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://infrive.ru/uplcv?utm_term=fnaf+2+animatronic+in+office+sound PDF link annotation
- http://porpora.info/imagenes/imagenes_contenidos///50619133275.pdfIn PDF document text
- http://amandamaitland.com/images/file/48047919229.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc0638d352---81731545241.pdfIn PDF document text
- http://orvosvalaszto.hu/uploads/files/fusabovofugobepabuvewu.pdfIn PDF document text
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160c1da5a3f0e3---baponupokenewevugobow.pdfIn PDF document text
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae2e32b2320---4884269987.pdfIn PDF document text
- https://evergreencans.com/userfiles/file/sagufewuduvitimuj.pdfIn PDF document text
- http://longarmacademy.net/fckeditor/userfiles/file/6278353141.pdfIn PDF document text
- http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d027a33335---98912219499.pdfIn PDF document text
- https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/1m36hs1m4gg3teijq8v0avip3j/guvekatetavunesozijiz.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc535ea598---rixubonujemujowokul.pdfIn PDF document text
- http://art-lan.ru/uploads/assets/file/63713587564.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/kipetogadop.pdfIn PDF document text
- http://brandnewgoods.net/userfiles/file/66993989124.pdfIn PDF document text
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/6on62jf1c8m44t8h6qtpfbqk7d/wiranakad.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001a91e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A91E | 18944 bytes |
SHA-256: bcfc99ea59132a1f6b98620101c241be6847e8167c438c5d02482f478e7572cd |
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font_01_sfnt_off0001db3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1DB3C | 4540 bytes |
SHA-256: f8d3ea66f75802e3caba8e2760981ffe6c7bc68e16ae97704a151b8a785c344b |
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font_02_sfnt_off0001ebfc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1EBFC | 10788 bytes |
SHA-256: 849f7e9452e9472216f91df0700ccfeb84085a797ddfd102e0e80bb5142592ae |
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font_03_sfnt_off000204e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x204E3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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