MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified the document as a link farm, with multiple URLs pointing to compromised CMS uploads and disposable hosting, suggesting an attempt to distribute or host malicious content. The presence of these link farms indicates a likely phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://kurishupally.org/userfiles/file/33208806235.pdf In PDF document text
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/0874d8ea6fce6937844025da7807f8e9/paxatofofiwajetemexaz.pdfIn PDF document text
- http://anabakorea.jp/userfiles/file/dixinawagefavevusolilek.pdfIn PDF document text
- https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/6lemd4qo3kfa4m827c94i8aa5g/17520954410.pdfIn PDF document text
- https://akanaymatbaa.com/calisma2/files/uploads/dibupakevi.pdfIn PDF document text
- http://www.insight-assessment.com/ckfinder/userfiles/files/munovokeposabududutirizud.pdfIn PDF document text
- https://techson-cctv.com/upload/file/zifez.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f87312c4dd0---tuvexujuxodono.pdfIn PDF document text
- https://smgbid.com/ckfinder_userfiles/files/gewigixasisavasi.pdfIn PDF document text
- http://grupposcorcia.it/userfiles/files/ruxisatagowavukofazakuxo.pdfIn PDF document text
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/2bc95aae58eea795511e4caca3d454e6/45151036014.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1611ce491762ad---46926561347.pdfIn PDF document text
- http://ipceurope.com/assets/file/27295867609.pdfIn PDF document text
- https://noihoithanhtuan.com/media/ftp/file/wigupe.pdfIn PDF document text
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f3377edd62---62492885823.pdfIn PDF document text
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/c334ae32ce4b7b511b785ec77ca8b9d9/gikurabugemo.pdfIn PDF document text
- http://seritour.com/rsm/files/wodelumajefixetiketelu.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609b56babd7b0---lozitinomilowezufiwozem.pdfIn PDF document text
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607b2a4b37d4e---fawariz.pdfIn PDF document text
- http://gayaarchi.com/userfiles/file/20210623103637.pdfIn PDF document text
- http://ipceurope.eu/assets/file/23098379041.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090fe71a9d71---45400418243.pdfIn PDF document text
- http://romanakladatelstvi.cz/userfiles/file/8827658565.pdfIn PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609dbce320173---nejorajatomasoxojonamowe.pdfIn PDF document text
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/dbfn46d92ln14g0ht814mgqc44/siribojuzurixubuzix.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=pdf+to+coreldraw+converter+onlinePDF 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_off0000d858.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD858 | 10456 bytes |
SHA-256: 92d5e51ba196be498b17b120d600928fda9e9c6142a64282ce40a248009f023e |
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font_01_sfnt_off0000f03f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF03F | 21060 bytes |
SHA-256: 137159a264051e41ea429f8b7ce67ca5bf3cc3bce618cc92fd6b45adbe9f66bf |
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font_02_sfnt_off000126a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126A3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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