MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to various domains, many of which appear to be compromised WordPress sites or disposable hosting, suggesting a phishing or malware distribution campaign. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports the idea that the document is a link farm designed to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://smidgel.ru/uplcv?utm_term=maneirismo+e+barroco+pdf
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/4499e20675787c393f600d87f6bcf667/vejeromonibinufugobi.pdf
- http://allg-gyn.ch/userfiles/file/27268754896.pdf
- https://ags-car.com/upload/files/15641070604.pdf
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b229e980117---ninuliv.pdf
- http://www.como-grup.ro/fisiere/file/nosiwiw.pdf
- http://konditsionery-odincovo.ru/upload_picture/file/77224843890.pdf
- https://mr-alian.com/upload/ckfinder/files/dawutewaparelefo.pdf
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b21193d3152---gezede.pdf
- http://kibbkw.com/uploads/file/26476120127.pdf
- https://hmanagement.net/userfiles/file/guzeveloferolenevezi.pdf
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/16099024f9daa9---65761534703.pdf
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/l4b2uv2ksdo71rvcjv9evv7nlq/fodez.pdf
- http://www.annaleehuber.com/content_files/file/67469478902.pdf
- http://ahkjt.com/upfile/file/40903457209.pdf
- http://watthaistuttgart.de/userfiles/file/97935449617.pdf
- http://yasaitogo.com/uploads/files/dogapa.pdf
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aa152ded88d---vumiwinamolalel.pdf
- https://triptoboloyfoundation.org/editorsfiles/files/migodozupab.pdf
- http://singer-island-condos.com/userfiles/files/29789981149.pdf
- http://flirtproducties.nl/ckfinder/userfiles/files/nigenubewilutup.pdf
- http://webinaris.org/ckfinder/userfiles/publics/files/64953646661.pdf
- http://run2endalz.org/clients/2/2b/2b4973775a35d8819257a28a16fdea67/File/66734829973.pdf
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cdcd181a5f---suzibelip.pdf
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/793erhdjbj7unqljpb6nj089k2/90126542916.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_off0000eba1.bin1e1112b820325702eecb28f62e2c322f41694e9958176d5ecc39ddd829f31d0a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBA1 | 10772 bytes |
font_01_sfnt_off00010429.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10429 | 16792 bytes |
font_02_sfnt_off00011c3b.binca7d05f6b0b12a0cfd0476ac8314fb9380294e59496b82444c23d883550f1710 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C3B | 19032 bytes |
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