MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to distribute malicious content. The presence of a 'download button' heuristic further supports a lure-based attack. ClamAV detection and ML classification strongly indicate malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://oniceh.ru/uplcv?utm_term=mod+harry+potter+puzzles+and+spells+apk PDF link annotation
- https://iagclaims.endataclaims.com/ModCoreFilesUploaded/file/totexotasogenud.pdfIn PDF document text
- http://life-homeshop.com/asset/uploads/files/34749677941.pdfIn PDF document text
- http://fireprovietnam.net/luutru/files/34381855950.pdfIn PDF document text
- http://amunt.madteam.net/ckfinder/userfiles/files/taxutonodesakikawajumenaz.pdfIn PDF document text
- https://detector-billetes.com/Imagenes/file/wepevosoj.pdfIn PDF document text
- https://oilbasaro.com/web/images/ckfinder/files/20210917191322.pdfIn PDF document text
- http://berallebags.com/UploadFiles/FCKeditor/20210918164801.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161347a6a82138---tegedokobitopuxoreg.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147e22a4bedc---96646218008.pdfIn PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614068582d6a6---xedomibikebuxapot.pdfIn PDF document text
- http://mkbeauty.vn/luutru/files/28731806155.pdfIn PDF document text
- http://www.boldino-hotel.com/ckfinder/userfiles/files/42439719765.pdfIn PDF document text
- http://karinameal.ru/imgdish/files/40322569156.pdfIn PDF document text
- http://otestmanager.com/club/data/userfiles/file/20210923040707.pdfIn PDF document text
- https://alarouba.com/ckfinder/userfiles/files/90568727626.pdfIn PDF document text
- http://clinicaveterinariamontecchia.com/userfiles/files/sagiwapamonamupak.pdfIn PDF document text
- https://biocoop.legreniervert.fr/ckfinder/userfiles/files/nibixuruzonetubotif.pdfIn PDF document text
- https://myphi.biz/nbloom/fckuploads/file/samubokuda.pdfIn PDF document text
- http://angel-conference.org/upload_fck/file/2021-9-6/20210906073515151397.pdfIn PDF document text
- https://sunridgecorp.com/uploads/files/202109040509184474.pdfIn PDF document text
- http://whkmradio.com/userfiles/file/wexejosa.pdfIn PDF document text
- http://irinaburmistrova.ru/files/90720831488.pdfIn PDF document text
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/0sogfmlv9hhlvs3qmu9iehpkg3/90601870939.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d9a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9A1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f1b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1B8 | 10756 bytes |
SHA-256: 483fe8473df202c4cd61251bc65af0e06c83a4822c1ea5256bda81ae56c908f8 |
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font_02_sfnt_off00010a8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A8A | 17276 bytes |
SHA-256: 0ee1ff20f0247ca89a26721e0c682593ae03268d19a96ac682b6574790ada9d7 |
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