MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains a link farm pointing to compromised WordPress sites, which in turn host other PDF files. This suggests a multi-stage attack, likely intended to lure users into downloading further malicious content or to phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/b86bcb15848060d109f79f16c63c9cd6/nodafibovo.pdf
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/dae49619ae506b00ff5cb2c7e867233a/47755868916.pdf
- https://luathoanghuy.com/uploads/files/kuzulikevakasidif.pdf
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160854d4ae2420---vikuvuke.pdf
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/vkt53eodva32d5euruloql59mh/wolidebofugakakumafewawe.pdf
- https://www.justgym.co.za/wp-content/plugins/super-forms/uploads/php/files/mlp244kvpl0ef14apu24ufg8h7/22704649820.pdf
- https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/ec7f4708252967ea281254a0e26fae06/88815605422.pdf
- https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/e9dcadf02b41a12d7c89a7eff9c3c4a2/wukukenobukodixaxu.pdf
- https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609b352ae178f---luvazasagukota.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/2af69a2d1064e41909d06994ea1e1831/mosuk.pdf
- http://georgekoldun.com/var/upload/file/jukutopudupixonuta.pdf
- https://steammining.com/userfiles/file/61320886982.pdf
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a7625eb5b6f---42186118061.pdf
- http://namuvaldymas.lt/userfiles/file/goxuloxagimomenatexisuwi.pdf
- http://resetimpianti.it/reset/public/file/desejixub.pdf
- http://yacpa.org/yacpafiles/file/feturunogametem.pdf
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c5ab220dcbf---72573704152.pdf
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/vt6k1u1d8scv9moc7ihop2pr7l/63832324843.pdf
- http://alimentosldm.com/userfiles/file/refizixoxotojapevotumuz.pdf
- https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/add124bbb5d109384f45faf5e7ba5e20/83782967990.pdf
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/2b08jk072j3qtl1h5kbuadqo2i/19946578393.pdf
- http://mtlebanon62.com/clients/5/5e/5ee551a8be14a26d7d76bc5e90dd1372/File/42972642174.pdf
- http://fcv-bo.org/data/fcv-bo/userfiles/file/33581673396.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=scary+stories+torrent
- 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_off0000ba9b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA9B | 16792 bytes |
font_01_sfnt_off0000d2b2.bind55a906d1dabf9e9ae8f975f00107fd720a5f2e21771b36db8d2c35cdf7d37cd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2B2 | 10364 bytes |
font_02_sfnt_off0000ea41.bin078f18e1b62c7a5527119a4e19f14fb6750fde2dbf265d548f1911a331f57d17 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA41 | 16428 bytes |
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