MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and multiple external links, several of which point to compromised CMS uploads or disposable hosting, indicating a likely attempt to download and execute a secondary payload. The ML classifier and ClamAV detection strongly support its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 8
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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 http://mispuntossaga.com/campannas/file/bajemikosubusobi.pdf In PDF document text
- http://kibbkw.com/uploads/files/sizusidenigagowomefijowo.pdfIn PDF document text
- https://gestionarival.com/userfiles/file/bemel.pdfIn PDF document text
- https://superiorservicesandsolutionsfl.com/nbloom/fckuploads/file/vijijas.pdfIn PDF document text
- http://leebyunghun.kr/new/upload/board/files/45926438791.pdfIn PDF document text
- http://flyingfish-stay.com/userfiles/file/29851169666.pdfIn PDF document text
- http://architettobotteonpierpaolostudioabacus.it/userfiles/files/78966413948.pdfIn PDF document text
- https://cicasoftavukatwebsitesi.demowebsiteleri.com/upload/files/mefukudebenavajedejugabon.pdfIn PDF document text
- https://u15.ch/ckfinder/userfiles/files/68260847226.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/c04760d2402fda736bc155029253dec8/73874703021.pdfIn PDF document text
- https://beeshark.ro/app/webroot/files/userfiles/files/68749962656.pdfIn PDF document text
- https://kozhikodedeaf.org/admin/my_files/file/64237814735.pdfIn PDF document text
- http://phuketdriveschool.com/userfiles/file/padawitewuvofewuwovag.pdfIn PDF document text
- https://indobaliart.com/sitefiles/file/bovezesugo.pdfIn PDF document text
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/c8cea2b53699e2cf6a631b03e3085dfb/37124733560.pdfIn PDF document text
- http://www.palmettoexpresslanes.com/system/js/back/ckfinder/userfiles/files/zopig.pdfIn PDF document text
- http://louisefarmersmith.com/admin/ckeditor/ckfinder/userfiles/files/60845381676.pdfIn PDF document text
- http://urs-certification.com/gais/image/file/tejelixugugafuviko.pdfIn PDF document text
- http://ccswcd.com/userfiles/file/vipamedunoxepujokusozim.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161307c1facd78---nudobo.pdfIn PDF document text
- https://nyig.com/files/file/68260089743.pdfIn PDF document text
- http://studiotecnicobergamaschi.it/userfiles/files/teluba.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=hebrew+keyboards+for+androidPDF 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_off0000c47a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC47A | 10628 bytes |
SHA-256: 2192190050aa4c280c5a361d5f5e85a8eb72575d042de75b8f64d874b2497144 |
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font_01_sfnt_off0000dcee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCEE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f500.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF500 | 17480 bytes |
SHA-256: 4a5bec77cd5e595b25577db6e814a4ef16f64d94ecb8f03d7380fd0cbfcd450f |
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