MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. ClamAV and ML classifiers identified this PDF as malicious, likely a phishing or trojan delivery mechanism. The presence of external URIs and link farms indicates an attempt to lure users to external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://conhantaoankhanh.com/webroot/img/files/fasosajukadomurakexelizud.pdf In PDF document text
- http://www.adarshvidhyasankul.org/userfilesfile/pepulemukexuluvati.pdfIn PDF document text
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613626472bfa7---noneva.pdfIn PDF document text
- https://ecableapp.com/FCKeditor/FCKimgUpload/file/72039995536.pdfIn PDF document text
- http://hong-tour.com/FileData/ckfinder/files/20210901_6AC06B3C2C693590.pdfIn PDF document text
- http://meble-tk.pl/userfiles/file/navuzip.pdfIn PDF document text
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134a105a8ff9---53851447480.pdfIn PDF document text
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/vlmdpg8vp0ja16l4v9291jr0bm/86515230883.pdfIn PDF document text
- http://finpacecuador.com/userfiles/file/20498596498.pdfIn PDF document text
- http://omgmediatank.com/userfiles/files/57847772259.pdfIn PDF document text
- http://griesvoegwerken.nl/UserFiles/file/beputagipazi.pdfIn PDF document text
- http://brkvinc.com/userfiles/file/wupoju.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ed060ea959---pumuladefabisuj.pdfIn PDF document text
- https://impactmediaresources.com/userfiles/file/tewuxigesowabewebebu.pdfIn PDF document text
- http://thekreativecompany.com/uploaded_files/userfiles/files/28996608010.pdfIn PDF document text
- http://zae.me/datafiles/file/nimilokinuriv.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/78c4e4f2b6535147e1b1d57c44e580bf/20528855555.pdfIn PDF document text
- http://sanyosushiglendora.com/uploads/files/83100505149.pdfIn PDF document text
- https://mashtalkandil.com/userfiles/file/36471812252.pdfIn PDF document text
- https://luiginoiobbi.com/userfiles/file/xanogubimadaxuga.pdfIn PDF document text
- http://1carl.com/userfiles/file/7318592167.pdfIn PDF document text
- http://badgerhillfarm.uk/5169718673.pdfIn PDF document text
- http://veitali.com/upload/files/8489728075.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=how+to+do+video+call+on+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_off0000ca96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA96 | 17124 bytes |
SHA-256: 5c696560ddb744cf0b1b15825b4788b0ccc5e78c09ebf25f4a2e56fd6da3b38d |
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font_01_sfnt_off0000f6d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6D2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010ee9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EE9 | 10336 bytes |
SHA-256: cc65a43be1349f6cd1b17290603b21a9fff38adc837e60994df3cc23b14f211e |
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