MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a link farm pointing to multiple compromised WordPress sites, likely serving as a distribution point for further malicious content. The presence of external URIs and a high ML score suggest an attempt to redirect users to malicious sites, potentially for credential harvesting or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160916909b0a53---tetiza.pdf In PDF document text
- http://beerskiboot.de/img/upload/file/sakibexuroda.pdfIn PDF document text
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1608354b032c26---xunin.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d648106e0b8---79083331471.pdfIn PDF document text
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/35751e918a23a557ab8abdf348bbb348/60361135206.pdfIn PDF document text
- http://simmsfamilyreunion.com/clients/9/98/98d47f1658d09d39d77ba56043454c9c/File/zowulizifinonuripofovifoz.pdfIn PDF document text
- https://cs168.tw/upfiles/editor/files/lozitamupiruvexizipuwimu.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/rtf2hqlhh31ulb7duks0tmk8sf/fosewoluwalavitituwi.pdfIn PDF document text
- http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088acbd2f91c---78424192781.pdfIn PDF document text
- http://selfmadefilms.nl/userfiles/files/96011297347.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160afd47e984b7---kedamuje.pdfIn PDF document text
- http://angelojrobles.com/admin_initial_test/userfiles/file/lezolazobanikunukeravid.pdfIn PDF document text
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4285d47b28---wabegetisujuwazopowu.pdfIn PDF document text
- https://tramhuonghanoi.vn/upload/files/36327540620.pdfIn PDF document text
- http://fabtur.ru/upload/files/desiwerenadovafa.pdfIn PDF document text
- https://feniks9.ru/ckfinder/userfiles/files/kolujexa.pdfIn PDF document text
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c81c17e525---roxiziwa.pdfIn PDF document text
- https://nazragame.com/calisma2/files/uploads/31470671465.pdfIn PDF document text
- http://goteneplast.se/files/images/file/86576501203.pdfIn PDF document text
- https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/l60sc86egebubgbj8nqv6aela5/gobonawevewolaga.pdfIn PDF document text
- https://niboparis.com/upload/fckeditor/files/semuzuzopefugezebe.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096092acc629---buwaxubuwokije.pdfIn PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608e66b38ec35---birilodajuramanuzirosonor.pdfIn PDF document text
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/qtd6h7f476t62npfu0giad2vi2/2091937008.pdfIn PDF document text
- http://targhevaticane.it/userfiles/files/nasoriwepixiviwuxo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=youth+pitching+drills+for+accuracyPDF 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_off0000f3f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3F8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010c0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C0F | 10964 bytes |
SHA-256: b9ba5dab958f80c81993484038c0a835a4fb182304f39c62b91fc8bb44e5506d |
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font_02_sfnt_off0001253f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1253F | 17096 bytes |
SHA-256: 43bc7c1d4049e9f143d3b4ea2c214296055d9efba33623a54a38f10be054178b |
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