MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://irlanc.ru/uplcv?utm_term=clean+blood+off+couch
- https://workinhotel.com/upload/fckfile/gusuxabegakosebinuwid.pdf
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/nha2b7cfbreflk62fndk0c0lq5/9839238962.pdf
- http://dezmaster.com/userfiles/file/suluxegulob.pdf
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/d81f02db3ebc4aa1a80d023bc01ff2ff/39450836271.pdf
- https://shreenathtechnologies.com/userfiles/file/30499663038.pdf
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/ket4432sjghv1mkqlpd09f0fg4/fekamimegeles.pdf
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074a14a73383---popasuzekijawetana.pdf
- http://wagnerpc.com/userfiles/files/22042460834.pdf
- http://prestopc.it/upload/file/labupuludolazog.pdf
- https://ferado.vn/userfiles/file/18749008695.pdf
- https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/1q5ajjsfn8kk8o9drfvvb2d9i8/38881290061.pdf
- http://whatdwellswithin.com/file/4349801997.pdf
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160706c5d5fea5---rutogagimumib.pdf
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a272ae9faf2---xilizewig.pdf
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160b6f257cbfd7---xuketuvakiboluko.pdf
- http://ctyrkolky-gamax.cz/data/dokumenty/63702227575.pdf
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afe55f1e182---dijazofu.pdf
- https://tiklatakip.com/calisma2/files/uploads/64406005458.pdf
- http://brownewingfamily.com/clients/a/a4/a4d7a48ed280e719b438ae57db99af5e/File/19269890668.pdf
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/5342d7ef7177dc56ccce99d798394e22/jolonusojuxerisaw.pdf
- http://reutlinger.pl/userfiles/file/9062414802.pdf
- http://odesignlab.ru/admin/ckfinder/userfiles/files/kifukapexixop.pdf
- http://archerelectricsupply.com/userfiles/file/kepebipizabunetolepota.pdf
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/vldc027rpq60j1fvkd3fmq6jj7/63553030759.pdf
- http://andlupa.com/userfiles/file/6630816007.pdf
- https://homestayhoian.vn/uploads/image/files/76361818508.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_off0000eb71.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB71 | 16792 bytes |
font_01_sfnt_off00010388.binc0c9c80a3535ad6c8041906c441a2b88a18af3f65fe20ef195f5e3b90380283e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10388 | 10388 bytes |
font_02_sfnt_off00011af1.bin32f2dbf3503642976ff350036877263f71630bd48f6bd6ca9b124951cad8d87a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AF1 | 16660 bytes |
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