MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF sample was flagged by ClamAV and an ML classifier as malicious. It contains a link farm pointing to multiple domains, many of which appear to be compromised WordPress sites or disposable hosting, suggesting a phishing or scam campaign. The presence of external URIs and the overall structure indicate an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://inwebjor.ru/uplcv?utm_term=corsair+k70+rgb+rapidfire+manual PDF link annotation
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/o8jtekuj3oihp2536nggokc6u4/tuwimilumufebisudadob.pdfIn PDF document text
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/308bdaadfa0f4f31bc8515ce5f50c52d/rovil.pdfIn PDF document text
- https://prana.video/wp-content/plugins/super-forms/uploads/php/files/161325mpvbapcs1r111vorsnc5/5565004606.pdfIn PDF document text
- http://sistersaviopublicschool.com/userfiles/file/8753887860.pdfIn PDF document text
- http://vejwun.cz/images/9729477981.pdfIn PDF document text
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a90f07c185f---lixinemodu.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/divixinerewira.pdfIn PDF document text
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa979b57630---84619261995.pdfIn PDF document text
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/esvnnp49isbvp8nmiinh67cnq7/kazogogali.pdfIn PDF document text
- http://bmcnx.com/userfiles/file/vasezulifipewesoberowogu.pdfIn PDF document text
- http://ferrogep99.hu/static/media/file/32488422598.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16084e7e113168---76597554932.pdfIn PDF document text
- http://xn----dtbsgbucafmmaf.xn--p1ai/servimages/editor/files/84657267463.pdfIn PDF document text
- https://semineebrasov.ro/printuri-fi/files/sekejugivazoligilaj.pdfIn PDF document text
- https://phoenixturkey.com/upload/ckfinder/files/36295535298.pdfIn PDF document text
- http://stringpoets.com/userfiles/file/wagadob.pdfIn PDF document text
- http://nandishoverseas.com/UserFiles/File/15150170403.pdfIn PDF document text
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160889d32e414c---28583930682.pdfIn PDF document text
- https://xn--80aaijzh9b.xn--90ae/documents/file/waxinorivitigegakajisijej.pdfIn PDF document text
- http://magooferta.pl/uploads/fck/file/vewajekaxigo.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_off0000c9ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9BA | 11276 bytes |
SHA-256: 8f0e31d1c8e7e2518f4893f9fe7a507225f8b3f0ae5c4aba529a18aaae720f0d |
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font_01_sfnt_off0000e3c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3C7 | 17676 bytes |
SHA-256: 02210a9491fdf2bd4378c928b3e7221d9481150fb0881a7c29484a3d5d77f3a2 |
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font_02_sfnt_off00011190.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11190 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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