MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of these links and the overall structure strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://adepotcustom.com/UploadFiles/file/20210803121800143.pdf In PDF document text
- http://wksystems.net/HotelEstimator/userfiles/file/9820129164.pdfIn PDF document text
- http://blesk-stroy.ru/userfiles/files/6811030607.pdfIn PDF document text
- http://magnumprint.ru/upload/files/wuxonafobavebumipu.pdfIn PDF document text
- https://12waktu.com/contents//files/jaberawuduxeva.pdfIn PDF document text
- http://farmaciacogliate.it/userfiles/files/mofufovejozuxuma.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16085cf3b7b633---zozekonifiwaxow.pdfIn PDF document text
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/7612b7c514ded1f347033b298473da6c/dajidinofidimubomakes.pdfIn PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d04b4d8d509---sorumuminol.pdfIn PDF document text
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/99ada8741332ed197515d0c316d24e52/92573458534.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607d4a2012af5---wijami.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16136f72bd5bec---77293880186.pdfIn PDF document text
- http://akiisushi.com/uploads/files/zetuvofumetudugilorew.pdfIn PDF document text
- http://kiddeefire.com/media/userfiles/files/84258765535.pdfIn PDF document text
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160e767de87756---robulexuvavokumujojuj.pdfIn PDF document text
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d46089182a---godamarufuxitomiwupe.pdfIn PDF document text
- http://hillsclinic.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/7946559976.pdfIn PDF document text
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2ce874c10---41949403128.pdfIn PDF document text
- http://esejsc.com/upload/files/pomivuderobuxeniviwom.pdfIn PDF document text
- https://zlatartopalovic.rs//files/raxupux.pdfIn PDF document text
- http://bassbasement.org/userfiles/file/65994241765.pdfIn PDF document text
- http://www.propper-droppers.nl/files/file/busijifiresewez.pdfIn PDF document text
- http://doo-san.com/userfiles/file/20210523003259.pdfIn PDF document text
- http://freehajjandumrah.com/admin/admin/uploadfiles/file/34464648355.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a2c3c08d1d5---joluvaguneziwoxabomola.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=under+the+tuscan+sun+book+free+pdfPDF 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_off0000c6af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6AF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dec1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEC1 | 17112 bytes |
SHA-256: d78847afcfab6f46073e8378aaef14adc2c713f4a0f1286d8cbdcfb7d85ff006 |
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font_02_sfnt_off00010a84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A84 | 10920 bytes |
SHA-256: cdfb6409b85fa29bcb81ce4457ecf2f4c374f90667d9cb479302a224006d17f7 |
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