MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by multiple heuristics and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ML classifier also strongly indicated maliciousness. No scripts were extracted, but the overall structure and URL patterns point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/uhr7jrn42pn29fvoio9g087non/gumonogovep.pdf In PDF document text
- https://paradigma.bg/uf/file/30377268042.pdfIn PDF document text
- https://ajwatravel.com/wheelmarine/userfiles/file/munilu.pdfIn PDF document text
- https://kasihpaham.com/contents//files/kumosap.pdfIn PDF document text
- https://jordan.si/dokumenti/file/43373105075.pdfIn PDF document text
- https://anmoul.com/userfiles/file/7637170551.pdfIn PDF document text
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/b89eb3d9e37431ad7a0b463e8f3c7f2d/16830442281.pdfIn PDF document text
- http://axwelindia.com/uploads/wumokemawanu.pdfIn PDF document text
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/110ad294172297a1373e17fdef06f71d/dukoxibopakepo.pdfIn PDF document text
- https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/6ecbf2796533326bbd879c223a6f6ea8/46270581708.pdfIn PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4b818c160---numipew.pdfIn PDF document text
- http://aldo-ins.com/userfiles/file/feditavobukivizeperim.pdfIn PDF document text
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/740ff4cd69ac7556d7488a08a2922971/96432775035.pdfIn PDF document text
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160c5867a56f40---25855690561.pdfIn PDF document text
- https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/5e831bbbd95f010a5cfdfb4d23c57f58/6503005323.pdfIn PDF document text
- http://wannawwannie.pl/userfiles/file/magiked.pdfIn PDF document text
- http://accessiblevehicleservices.com/userfiles/file/86749087225.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/16091df5d24516---92273016301.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077e2f8b01bf---bijibetoso.pdfIn PDF document text
- http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/7b19bd3c055cebf0767ea2e3daaf9400/20101262876.pdfIn PDF document text
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/anvvq44p17jo6j905qqd64g61m/nuzobidepomojemajig.pdfIn PDF document text
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b059b4e9832---vuxivobuxusodeda.pdfIn PDF document text
- https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/6c20ed51741c68aefb678855c3fc00b6/59404222630.pdfIn PDF document text
- https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/a603534251fb8e2a145a1bd25adaf2c7/11242123713.pdfIn PDF document text
- https://beyondpins.com/calisma2/files/uploads/vezuruxoxab.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=endangered+species+need+protectionPDF 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_off0000ea44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA44 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001025b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1025B | 10624 bytes |
SHA-256: 7b266557a3b9380cb0409bb8eb2949d848c7c039fd2d3c6ccd9599fb9e071cb6 |
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font_02_sfnt_off00011a8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A8B | 16836 bytes |
SHA-256: 87dc21c439f76a2fba3c4ec8b756d295d08dc3e8915f68ea013f7443bf6541ad |
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