MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised websites or using SEO manipulation tactics, suggesting a link farm designed to distribute further malicious content. The presence of a 'download button' heuristic further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/tspdiho042lva949iginkksgm0/semoxe.pdf In PDF document text
- https://tierrettung-in-katalonien.org/ckfinder/userfiles/files/kedaribekifamedogedopife.pdfIn PDF document text
- https://okazdedziecko.pl/_files/Media/file/kojesikire.pdfIn PDF document text
- http://homelife-superstars.com/image/files/lebabipaki.pdfIn PDF document text
- http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608487e38fb0b---senusemaxuwim.pdfIn PDF document text
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b459eb55561---68795619671.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160726c77cba5f---goxabigadefurarasama.pdfIn PDF document text
- http://niezapominajkowo.eu/userfiles/file/92363776278.pdfIn PDF document text
- https://lifetides.ca/cambridge/uploads/files/muvegobitonejinepo.pdfIn PDF document text
- http://piau-po21inn.com/CKEdit/upload/files/52856963943.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609122ea0cac0---detajobirekudegup.pdfIn PDF document text
- http://lncxjzxxw.com/upload_fck/file/2021-7-28/20210728121144888275.pdfIn PDF document text
- http://sjhrz.com/images/upload/File/wexaxekomuli.pdfIn PDF document text
- https://thegioidongphuc.net/ckfinder/userfiles/files/1054967641.pdfIn PDF document text
- http://romangruszecki.com/uploaded/file/pusifiwolepat.pdfIn PDF document text
- https://planet-for-events.de/userfiles/file/xufalekunera.pdfIn PDF document text
- http://haithuanphat.com/uploads/files/99234556115.pdfIn PDF document text
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/ta0181e8b9uochapf13ip42q7g/ruvapaxopazub.pdfIn PDF document text
- http://ekolojikweb.net/upld/userfiles/file/ganewemigepef.pdfIn PDF document text
- https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/e97b2197495c53513716e5ec1acafa6f/lofafi.pdfIn PDF document text
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/28ef564958d05fe2ebc13d8ab804a86f/mupibesizikekider.pdfIn PDF document text
- http://aromamahabaleshwar.com/ckfinder/userfiles/files/figozenegatikijo.pdfIn PDF document text
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/lnq2t7201himq948k7594hae3r/94690085379.pdfIn PDF document text
- http://pixel-pro.ru/upload/file/sadilosolezalewekufope.pdfIn PDF document text
- http://przedszkolenisko.pl/userfiles/file/buxejevaxopu.pdfIn PDF document text
- https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/447q9lmcbropvae9g6vh7udvkg/fuwogimuwigixato.pdfIn PDF document text
- https://aiwatopup.com/ckfinder/userfiles/files/54992557055.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=ganong+physiology+24th+edition+pdf+free+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_off0000e693.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE693 | 17952 bytes |
SHA-256: 6ffc5a7288a713744b27d2d02e45873d72d9d0169cb115fb61810ffddd5356e3 |
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font_01_sfnt_off0001150e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1150E | 11212 bytes |
SHA-256: 6367dc65aa1eebe6ee887b3d7f3da58e46da71caedfdc6a41ba1233c8142e755 |
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font_02_sfnt_off00012f40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F40 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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