MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to potentially compromised WordPress sites or disposable hosting, suggesting a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b01d1c0aad---waxujofafubatabelu.pdf In PDF document text
- http://peterpan1996.it/userfiles/files/naroromeseguxajuxopejan.pdfIn PDF document text
- http://rtm-plus.ru/ckfinder/userfiles/files/papuxofigese.pdfIn PDF document text
- http://mariamozharova.ru/uploads/files/53519964320.pdfIn PDF document text
- https://harkakotony.hu/UserFiles/file/lusinuvorimafiwefakujoxud.pdfIn PDF document text
- http://santamariamikado.com/uploads/files/47261177679.pdfIn PDF document text
- http://www.cenlaenvironmental.com/siteuploads/editorimg/file/xipekefelet.pdfIn PDF document text
- https://vieclamday.com/userfiles/file/59310128430.pdfIn PDF document text
- https://goldmenu.com/userfiles/file/46296399695.pdfIn PDF document text
- http://sethhukumchandschool.com/userfiles/file/50202312501.pdfIn PDF document text
- http://teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/suxaxoxekanorafumave.pdfIn PDF document text
- http://yuanhebiotech.com/upload/files/gigeloledidivuzezomusari.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/b671f4a5802c1ca48086c06993c21b9b/24338329520.pdfIn PDF document text
- https://villatoscana-pi.it/userfiles/file/xamepupujonezu.pdfIn PDF document text
- http://fioredda.com/userfiles/files/807148295.pdfIn PDF document text
- http://salman-group.com/userfiles/file/nebufidekatafi.pdfIn PDF document text
- http://gartenbaukoeln.de/uploads/files/76375056929.pdfIn PDF document text
- http://irinabailey.com/upload/files/jidixi.pdfIn PDF document text
- http://shinies.ru/img/lib/file/16637476361.pdfIn PDF document text
- https://perfectprojects.ro/userfiles/file/77297626846.pdfIn PDF document text
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16155aa3d008b3---18555825856.pdfIn PDF document text
- https://mma-montessori.com/admin/ckfinder/userfiles/files/21593950804.pdfIn PDF document text
- http://panova-art.com/files/file/dugolisawow.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=jurassic+world+mod+apk+unlimited+moneyPDF 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_off0000b1c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1C7 | 11060 bytes |
SHA-256: 5dd9b7791dd0c64230a1f8c044b006e5d8cc4cbacf04ec59986bb67eba52760d |
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font_01_sfnt_off0000cb9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB9F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e3b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3B1 | 15768 bytes |
SHA-256: 45500101245d2ab52482ec02a72540271ada56fe51229fa68539315de41aab09 |
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