MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable hosting, suggesting a phishing or scam campaign. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious redirection scheme, likely intended to lure users to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9959
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://coretry.ru/uplcv?utm_term=mi+note+10+lite+8gb+antutu
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143371d59859---17393445243.pdf
- http://youngdongtec.com/userfiles/file/suxepuvare.pdf
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/e26b7476729312c7f412877db50d10f9/liwalenosupowekunowug.pdf
- http://vouchertiket.com/airplane/ckeditor/uploads/files/24034888874.pdf
- https://orcasproje.com/userfiles/file/tilipuzuxirevaz.pdf
- http://www.klimavill.com/data/editorfile/kavegimixerediwetewobawor.pdf
- https://perfecthospitals.org/FCKeditor/file/lijil.pdf
- https://maxtarget.by/ckfinder/userfiles/files/94715029547.pdf
- https://lotusmarinevn.com/upload/files/79647344322.pdf
- https://wroclawmodelshow.pl/ckfinder/userfiles/files/milojimuwedikav.pdf
- http://www.sport-konyv.hu/userfiles/file/femasodes.pdf
- https://bistakalikotenetwork.com/userfiles/file/53168208183.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/f6f3d0161aacc7fdc7c84c2624019de4/nulerato.pdf
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/fq1mtpl0nhb8ihi9koveev1ps6/29359304855.pdf
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/ddbb355a61c533364f0dcaf16881d787/94267353857.pdf
- http://kadh.kr/bobod/upload/file/15717617530.pdf
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132b56452c73---navujovexomupibikidevatad.pdf
- http://flynewsletter.com/uploads/file/tusizanizaximonitopikut.pdf
- https://www.scmsgroup.org/ckfinder/userfiles/files/zojit.pdf
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/feaa7eb608912b8cf9ac0d84cadf41cd/mibaxokanesira.pdf
- http://tygodnikzuzlowy.pl/ckfinder/userfiles/files/87870049454.pdf
- http://jshanwoo.com/ckfinder/userfiles/files/palegilivadakabalute.pdf
- https://leise.ru/admin/ckfinder/userfiles/files/nogox.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000afd2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFD2 | 16792 bytes |
font_01_sfnt_off0000c7e9.bin90deb71c34e7c003c7701b298e3f969c8f15deaecc8ee0e7a5349b13e5ae04c2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7E9 | 10632 bytes |
font_02_sfnt_off0000e067.bin9befd84866273a1879b68eeed454b981a526dec8614244dfdc22dbfad6ca88d6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE067 | 15644 bytes |
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