MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links. The presence of a link to a compromised WordPress upload storage further supports this.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
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://buzascsaba.hu/userFiles/file/20342492402.pdf In PDF document text
- http://www.waetsukai.jp/system/ckfinder/userfiles/files/linilas.pdfIn PDF document text
- https://groupunsur4.com/contents/files/42933843349.pdfIn PDF document text
- http://psychanalyste-gard.fr/ckfinder/userfiles/files/wuxarudin.pdfIn PDF document text
- http://runbo.net/upfiles/files/16315954571383.pdfIn PDF document text
- http://ancheng-medical.com/uploadfile/files/pifozepugojijeborabenixub.pdfIn PDF document text
- http://bowlingkillers.com/imgdb/files/sefira.pdfIn PDF document text
- http://hgbs.de/userfiles/file/zujibinimusiz.pdfIn PDF document text
- http://jamalcar.com/userfiles/file/kawugolajiburinizokin.pdfIn PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/576b46054e79fffb04166d861412af1b/kumada.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/ripifotigujijorolusevi.pdfIn PDF document text
- http://stacjaregeneracja.pl/userfiles/file/4277694854.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134fab791423---87974221204.pdfIn PDF document text
- https://samuelben-horin.com/userfiles/file/41531249315.pdfIn PDF document text
- https://kme.pl/global/app/webroot/uploads/file/1630657745217.pdfIn PDF document text
- https://inoxquochoang.com/app/webroot/files/images/pages/files/depalixad.pdfIn PDF document text
- http://medob.org/SITE/files/editor/file/lazurefiz.pdfIn PDF document text
- https://gikguamerica.com/userfiles/file/88112233122.pdfIn PDF document text
- https://chilepools.com/contents/files/dotugexovi.pdfIn PDF document text
- http://runhouchem.com/upload/files/52225258341.pdfIn PDF document text
- http://dorrstrechy.cz/UserFiles/File/2656988203.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612fb8037f85c---sepixa.pdfIn PDF document text
- http://palmdale.thepokeluau.com/uploads/files/39907094320.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=robbery+bob+2+hackPDF 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_off0000cfcc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFCC | 17348 bytes |
SHA-256: 8f18563840f32cfee4109b867bf8b426663eb7b44e121ee70d2b1d4ce01557a4 |
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font_01_sfnt_off0000fd2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD2B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011542.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11542 | 10328 bytes |
SHA-256: af6e4d1a734033600e31c4a8c47f07144132dfa26295f562f2a67d3f6488c208 |
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