MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The document contains numerous links to external websites, many hosted on compromised CMS uploads, suggesting a link farm or phishing lure. The presence of embedded URLs and the nature of the heuristics indicate an attempt to redirect users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://paperland.bg/uploads/file/zupaxeniziwefojotobuvuf.pdf In PDF document text
- http://syuncyoku.jp/upload/file/rijowofovibovunabapik.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160ac67f4db32f---febudupizi.pdfIn PDF document text
- http://makinsushi.com/uploads/files/rezasoz.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/16081ac56ce833---51278535161.pdfIn PDF document text
- http://almar-bus.pl/userfiles/file/27320811421.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac08d7984ef---girifekikowebibewu.pdfIn PDF document text
- http://northphoenixmustangs66.com/clients/4/4b/4b49b54eec06ebba3741256e9f3e6f2b/File/puwufedi.pdfIn PDF document text
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16093f9396e5b1---71833620258.pdfIn PDF document text
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/014148ef0b7102a306122d440bfe8f9b/jatosonogalufijenu.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609282d15d7a3---zenimud.pdfIn PDF document text
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/a628b3096d6a63c07be912aa66cfddc4/lubotowusopomibedodumela.pdfIn PDF document text
- http://itnetworkconsultingsf.com/helpdesk/app/webroot/img/userfiles/files/84738957919.pdfIn PDF document text
- http://daming-school.com/userfiles/file/45780464356.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609092bcdc378---78485031637.pdfIn PDF document text
- http://erdbau-rauch.at/94140509205.pdfIn PDF document text
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/rfs0iorso8iufl3usm3railk74/58322309903.pdfIn PDF document text
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbcfbda521---muvumipelofud.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=little+kids+crossword+cluePDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e1af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1AF | 4820 bytes |
SHA-256: 86accc45e498ea867188f832eda440dfcdd5557f0b600cb372965c68267a4c85 |
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font_01_sfnt_off0000f23b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF23B | 10848 bytes |
SHA-256: 48f1cf1e1130027a99b8908f1fb96c39cdb96972cefa2f962f322e4a95a9f879 |
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