MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many pointing to compromised WordPress sites hosting other PDFs. This indicates a link farm designed to redirect users to malicious content, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608befb508fe9---foxadevotuwatunivas.pdf In PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a5f22d3436---gasora.pdfIn PDF document text
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bb5c7235846---disepufi.pdfIn PDF document text
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9cb75a671---sinowitiwexav.pdfIn PDF document text
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/4914bbd888f7d2158e81f6a4767d085e/jeraxowubedowok.pdfIn PDF document text
- https://champion-osk.pl/userfiles/file/luxilifezi.pdfIn PDF document text
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/gcj772lonhntejnhb47329380r/27543574371.pdfIn PDF document text
- http://chalappuram.com/userfiles/file/64046631429.pdfIn PDF document text
- https://budapestpainter.hu/ckfinder/userfiles/files/63658004508.pdfIn PDF document text
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/16092e7eb7f81e---65873791257.pdfIn PDF document text
- http://ashioke.com/images/library/File/96482218967.pdfIn PDF document text
- http://cke.hk/userfiles/87738799874.pdfIn PDF document text
- http://grandchainfamilyfoundation.com/clients/85333/File/redigelizori.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087451e8c2d5---gogamif.pdfIn PDF document text
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f92037bbca8---pusokokagakajudewefelawu.pdfIn PDF document text
- http://bezpiecznamlodosc.org/files/file/dukofinogogunonivuvi.pdfIn PDF document text
- http://stellarp.com/userfiles/files/55059784263.pdfIn PDF document text
- http://ulleungroadtour.com/FileData/ckfinder/files/20210818_AB55357EB7B599D5.pdfIn PDF document text
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f9b7088c2b5---seberowalox.pdfIn PDF document text
- http://hindustanadvancedsolution.com/t/tutorfirm/uploads/ck/files/68520409412.pdfIn PDF document text
- http://bmsorganica.com/userfiles/file/2918984651.pdfIn PDF document text
- http://cuspsurgeons.com/userfiles/file/nejepanidikofo.pdfIn PDF document text
- http://qhzs88.com/admin/fckeditor_upfiles/file/2021072402321080554.pdfIn PDF document text
- http://arniuniversity.in/ci/userfiles/files/kagepirewuletugafume.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=biodata+format+for+marriage+for+girl+free+download+pdfPDF 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_off0000d605.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD605 | 17260 bytes |
SHA-256: 58d2823d1834147aa74c5ea712747641e081d144fa9870cb755f9600239d1492 |
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font_01_sfnt_off000102fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102FE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011b15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B15 | 10812 bytes |
SHA-256: bdb16fb9752b938c3c8ccad1f7f33e8d161ba2434dab3ae2a2ea541f9dbacac4 |
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