MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs pointing to compromised websites, suggesting a link farm or phishing lure. The PDF structure and embedded URLs are indicative of a phishing campaign attempting to redirect users to malicious sites for further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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=ship+sale+and+purchase+book+pdf
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/605d115c1984b39d3d9cd3dcbea67fff/5085482388.pdf
- http://czdashan.cn/uploadfile/file/2021043001020573499.pdf
- https://a2designbg.com/userfiles/file/60508682622.pdf
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4265032a8---28527716981.pdf
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16088fa0648587---purupozaxavi.pdf
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/uvpjahpebm3rd9bl0iuhdgkkb5/pedufitaji.pdf
- http://bebelino.ru/userfiles/file/30924747957.pdf
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/07d5a8b17792bb8198c6829c3b488e3c/85586948702.pdf
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/tjd4tt9ab89e2r5pde5pkhsn2a/85516813384.pdf
- http://nwatchonline.net/userfiles/file/38807492670.pdf
- http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c28c50bb253---morazum.pdf
- http://csc0512.com/userfiles/file/20210609024445_5hxpyg.pdf
- http://adamlegal.com/userfiles/file/50258622786.pdf
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086c582a65b4---sulovibokujiw.pdf
- https://mednet.mk/public_html/upload/userfiles/file/xutaxurufolisosivutafer.pdf
- https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/f3ersotqsdvoqi5b4hcnmbtgfd/zufanepukitofozenitu.pdf
- https://artasedanasingaraja.com/uploadfck/file/wevolikerizuwesisajabop.pdf
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/6c2549993842f539a3bf4eeccf56591f/85191604474.pdf
- http://sillajen.com/fckeditor/_upload/file/buwuvawuludofepeja.pdf
- http://ytbozhuo.com/upload/file/010322065625.pdf
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160826c09e74eb---zudutedimilinomovugiruwa.pdf
- https://pelletier-tp.fr/ckfinder/userfiles/files/fomorezipijifebisivod.pdf
- http://xn--szabowski-tub.pl/userfiles/file/86589137877.pdf
- http://polskienarty.pl/data/aktualnosci_imgs/file/24702229130.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_off0000ed44.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED44 | 16792 bytes |
font_01_sfnt_off00010556.binab2a0bba58f0a26c1ea24670cb2621af4a59e0c01e463c7396ee07875a1ecc11 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10556 | 17656 bytes |
font_02_sfnt_off0001338f.bin299ca2ad2f30354d11708116677735bc82dea56fe3b6d8c9e1901643190425ba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1338F | 11024 bytes |
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