MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many embedded URLs pointing to potentially compromised websites or disposable domains. The primary purpose appears to be directing users to external, untrusted content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1612f998892500---90623557933.pdf In PDF document text
- https://floridainvestment.cz/files/file/99544907305.pdfIn PDF document text
- http://ifaistos.reality.gr/~triantaf/images/file/zaferinuwipovomefa.pdfIn PDF document text
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/c092e4075c69361bf05a4fd1e74428e0/rijuzadabedifudof.pdfIn PDF document text
- https://autoteam.in/ckfinder/userfiles/files/lotowufojatixuralonono.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/gokiserexararotorevalix.pdfIn PDF document text
- https://tidymoney.com/ckfinder/userfiles/files/wexutimu.pdfIn PDF document text
- http://naphogacomposite.com/upload/files/fegiderakoxevugibem.pdfIn PDF document text
- http://gruppocinofilomarsalese.com/userfiles/files/83032914002.pdfIn PDF document text
- http://iwilldoit.ru/uploads/files/files/foludiwufawu.pdfIn PDF document text
- https://52fantasies.com/home/holly/public_html/ckfinder/userfiles/files/walajazatukoxesan.pdfIn PDF document text
- http://dalieuht.com/app/webroot/uploads/files/mabuxomewadamif.pdfIn PDF document text
- https://candica.pl/ckfinder/userfiles/files/govifimubunega.pdfIn PDF document text
- http://acmemask.com/upfiles/editor/files/53348721525.pdfIn PDF document text
- https://airflow-skateboards.com/upload/file/gokoturimi.pdfIn PDF document text
- http://zrdb-drogbud.pl/Upload/file/fatiseboziwike.pdfIn PDF document text
- http://dxczx.com/ckfinder/userfiles/files/20210907_230547.pdfIn PDF document text
- http://drumlockingclamp.com/FCK_Editor_Images/files/newixepelelu.pdfIn PDF document text
- http://hueide.com/upload/files/guvabawu.pdfIn PDF document text
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/9d9q0jnhm0ih5jdq4d7mb5q3tj/70057435094.pdfIn PDF document text
- http://33podarka.ru/pictures/files/fajavonododozafuroxigon.pdfIn PDF document text
- http://torby.kbo.pl/ckfinder/userfiles/files/98170250939.pdfIn PDF document text
- https://leonardscopysystems.com/home/leonards/public_html/ckfinder/userfiles/files/76792212038.pdfIn PDF document text
- http://innova-perila.ru/upload/files/49173841164.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=action+research+report+format+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_off0000b326.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB326 | 10820 bytes |
SHA-256: 29697bfb2cc13b520ebef1e0249f0eca278e018c76482dae746abd751ebbe49f |
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font_01_sfnt_off0000cbf6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBF6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e408.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE408 | 14808 bytes |
SHA-256: f6866faaf5411865deb7787dc5dd866fc28907604ea371c32190a52ba2e58876 |
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