MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, pointing to numerous compromised WordPress upload directories and disposable hosting sites. These links likely serve as a distribution mechanism for phishing or further malware, aligning with spearphishing attachment tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9941
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://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074b30a51107---29576847407.pdf In PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ad678d9bae2---80537959353.pdfIn PDF document text
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/12f099bad9e70082bf21c72735b6be99/supufijasogu.pdfIn PDF document text
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e48fa440951---35369003271.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160877d8bd1419---lajesejezuvefaru.pdfIn PDF document text
- http://conblocmanado.com/pics/file/rititejokupofido.pdfIn PDF document text
- https://gs-hemeringen.de/ablage/userfiles/files/38510268934.pdfIn PDF document text
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/acb900813cda730c654cb8750ae64480/54513356299.pdfIn PDF document text
- https://moscowfashion.net/content/xuploadimages/file/bibugupijumo.pdfIn PDF document text
- http://aprendanow.com/wp-content/plugins/super-forms/uploads/php/files/2778a18efa04bf7bc60e43a511d87a82/tuxojogekimajivar.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/144d14bcdb3a6d71ecbd35f28ff0f209/93284701682.pdfIn PDF document text
- http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/90376573911.pdfIn PDF document text
- http://beerskiboot.com/img/upload/file/zumulakupasomiri.pdfIn PDF document text
- https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/f5a6e348027e01ca487bf97a53a9d688/tisij.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160b5ff20cb403---zobezumapur.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7928c3c80---71324623612.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/uj7o11n4akvodamui7l5t9srpn/14264554507.pdfIn PDF document text
- https://edarky.net/data/file/gitafezigiwota.pdfIn PDF document text
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091f20227970---4543187512.pdfIn PDF document text
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ef554bdf59---parelafilegexexamuvugax.pdfIn PDF document text
- http://lsneotek.com/ckupload/files/loborogusenagaliravik.pdfIn PDF document text
- https://floridainvestment.cz/files/file/37755638113.pdfIn PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a928550ed6be55a112e0f851231d6644/raxigasotunozuse.pdfIn PDF document text
- http://alemotta.com/resources/original/file/86626482973.pdfIn PDF document text
- http://mikomisushiwc.com/uploads/files/zobane.pdfIn PDF document text
- https://condicionamentofisico.com/arquivos/file/xavalixuriwotujavusije.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=electrical+technology+by+b.l.+theraja+vol+4+pdf+downloadPDF link annotation
- 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_off0000cfbc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFBC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e7d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7D3 | 11396 bytes |
SHA-256: 0aafbadb21850daa87a8fb2b5adb092ef0a9bdaddff4259946213608dbdb31f7 |
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font_02_sfnt_off00010237.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10237 | 16704 bytes |
SHA-256: f8bf54dc47f906ddd7bea995e015ec829d402d7c0a9ef6bdb61181768ef42fe5 |
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