MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous external links, many pointing to compromised CMS upload storage or disposable hosting, suggesting a phishing or malware distribution lure. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics indicates a deliberate attempt to obscure the true destination or leverage compromised infrastructure. No scripts were extracted, but the overall structure and URL patterns are indicative of a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://garglob.ru/uplcv?utm_term=how+to+private+photo+in+instagram PDF link annotation
- http://sxnqx.org/upload/file/Fl202109061206421122.pdfIn PDF document text
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613997ab58fa3---84040863055.pdfIn PDF document text
- http://eltprof.ru/userfiles/file/gikugabamasepotatamogenom.pdfIn PDF document text
- https://gmt-tw.com/app/webroot/userfiles/files/guvikeponiroj.pdfIn PDF document text
- http://dancephoto.ru/userfiles/files/zefesuzetenus.pdfIn PDF document text
- http://sudeoksa.org/userfiles/file/20210908075816.pdfIn PDF document text
- https://www.auto-ecole-rive-droite.fr/ckfinder/userfiles/files/45744625447.pdfIn PDF document text
- https://shiprapublication.com/uniformkontakt/userfiles/image/files/80791908727.pdfIn PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/161320bf27a988---5179362515.pdfIn PDF document text
- http://lussoleathertiles.com/test4/EDITOR/example/v2/userfiles/file/88917074977.pdfIn PDF document text
- https://sklepbonus.eu/userfiles/file/jujoloxorukofawoviwemebox.pdfIn PDF document text
- https://kimcert.org/E/file/3628389058.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/ris7n9r44afk13beparm73gdjc/xabunesesonodemuba.pdfIn PDF document text
- http://ministerium.pt/files/9260133432.pdfIn PDF document text
- http://thoitranglani.com/upload/files/27213848310.pdfIn PDF document text
- http://albertopizzetti.it/userfiles/files/xavuzinolarawidanijipuri.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136fa517b40f---64429446810.pdfIn PDF document text
- https://jv-cms.crazy-jessie.nl/uploads/files/97042275616.pdfIn PDF document text
- http://artepcb.com/upload/files/98431021688.pdfIn PDF document text
- http://hykylalumni.org/userfiles/22123861176.pdfIn PDF document text
- http://baihsad.com/userfiles/files/20210905_192514.pdfIn PDF document text
- http://grupopiscis.com/upload/files/2323637848.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_off0000c8f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8F0 | 17368 bytes |
SHA-256: a43d8d4e691621f28ef56b710b47b4fa835acd8932173dddef7021f94ff538d0 |
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font_01_sfnt_off0000f5c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5C9 | 10796 bytes |
SHA-256: 42d080af5fc9fa728542834c653e49037209a90b2740f00717c038ff835cc266 |
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font_02_sfnt_off00010e88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E88 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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