MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as a link farm pointing to compromised websites, and the ML classifier assigned a high probability of maliciousness. ClamAV also detected it as a phishing trojan. The document's structure and embedded URLs suggest an attempt to redirect users to malicious content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9962
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://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d415de035d---pipafakerevulemibewud.pdf In PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073147d06c6c---62144093435.pdfIn PDF document text
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/o4eibh3qempe4ujpv1qqskdo8f/sipuxejojefesebibejojiso.pdfIn PDF document text
- https://bandai-k.com/userfiles/file/95868977843.pdfIn PDF document text
- http://hotelsandmartin.cz/files/file/31623698333.pdfIn PDF document text
- https://appfacile.it/file/pixum.pdfIn PDF document text
- http://edwardlankin.com/clients/86087/File/dekowozupififitonare.pdfIn PDF document text
- http://hkt-optics.com/hkt/images/userfiles/file/65323221097.pdfIn PDF document text
- http://savaksangida.com/resimler/files/17906695987.pdfIn PDF document text
- http://ahcxdq.com/uploads/file/100507262346.pdfIn PDF document text
- https://dienlanhhonganh.com/images/pic/file/bifexazufexerivexuvef.pdfIn PDF document text
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/9a5078ad75e771b42a62c694aeff58a0/76345061585.pdfIn PDF document text
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/53qfo8gphbd4qvapanl2e72kh4/dudos.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/jixufovorififiruretixa.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c17d243407c---pemij.pdfIn PDF document text
- https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/dhi4muauq89td1ljed1h6f2j57/94065317278.pdfIn PDF document text
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609d8e16c440d---94048340698.pdfIn PDF document text
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ae711f73d2e---4309465388.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=music+by+anderson+paakPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d3c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3C0 | 46592 bytes |
SHA-256: 9a105a625fb4169f209cbdad2c3b4570c2eb92b27961dffacee2fd24c76ff0ff |
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font_01_sfnt_off0001538b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1538B | 16804 bytes |
SHA-256: 0a7b99b778cb4c75d4fcdbbb3a1cf365d52366c30a9c3e6d068b8250df52537b |
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font_02_sfnt_off00017fa1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17FA1 | 10800 bytes |
SHA-256: ee98dc41151872d7763254f11950369687b9df3825bac639bdeb5a6a8f1e07d6 |
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font_03_sfnt_off0001987a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1987A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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