MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs that form a link farm, likely intended to redirect users to phishing sites or download further malware. The presence of multiple compromised CMS upload links further supports this malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://huntic.ru/uplcv?utm_term=blood+relation+reasoning+questions+with+answers+pdf PDF link annotation
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/9c4f33d63da06f9186e487966e4d611a/49615637668.pdfIn PDF document text
- https://printsolutions.ro/uploads/wysiwyg/files/27839583135.pdfIn PDF document text
- http://cdseoulps.com/uploadfile/fckeditor/file/59616692289.pdfIn PDF document text
- https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/1f68541ffbc4a040db58225072c7b567/79074472528.pdfIn PDF document text
- https://usssecuritate.ro/userfiles/file/11694126177.pdfIn PDF document text
- https://uangraja.com/contents//files/31189094595.pdfIn PDF document text
- http://technoculture.cz/admin/upload/file/karitonalaxasujulew.pdfIn PDF document text
- http://blackivy.pl/userfiles/file/28679279009.pdfIn PDF document text
- http://thunderstar.cn/userfiles/file/20210624220307473443817.pdfIn PDF document text
- http://restravel.ru/ckfinder/userfiles/files/7582255493.pdfIn PDF document text
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7a45ab61af---zamolu.pdfIn PDF document text
- http://montaze.org/democms/userfiles/file/konosel.pdfIn PDF document text
- https://www.igescanada.com/ckfinder/userfiles/files/businowaniladaxakapib.pdfIn PDF document text
- https://xn--mietkndigungsrecht-best-gpc.de/userfiles/file/dusadilanutumuw.pdfIn PDF document text
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/2afj642lgjugvun5r67n3ecl6q/24465377960.pdfIn PDF document text
- https://www.frontieregypt.com/sites/all/libraries/ckfinder/userfiles/files/79012731487.pdfIn PDF document text
- http://kondicionery-ivanteevka.ru/upload_picture/file/nowatolodejovibalexo.pdfIn PDF document text
- http://coffee33.ru/archive/file/34289757860.pdfIn PDF document text
- https://sasalidayanisma.org/uploads/file/pufizobimurol.pdfIn PDF document text
- http://shopsuathientu.com/uploads/userfiles/file/71449293364.pdfIn PDF document text
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a69da375742---24639154581.pdfIn PDF document text
- https://bursakaynak.net/userfiles/file/tixevowijinixaxev.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_off0000d6e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6E9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eefb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEFB | 16896 bytes |
SHA-256: f84c9b1b75ad6bec90b1b66911645773e16d5f619fa55f9418d987f1b9954cab |
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font_02_sfnt_off00011a78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A78 | 11164 bytes |
SHA-256: c2dd08f4542d486dc0487a1faf0d32b363e293595edb9bcc702834e6922ffcba |
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