MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier as malicious. Heuristics indicate it functions as a link farm, with numerous external URIs pointing to disposable hosting, suggesting a phishing or malware distribution scheme. The 'SE_CALLBACK_LURE' heuristic further suggests a callback phishing or tech-support scam pretext. No scripts were extracted, but the PDF structure itself likely facilitates the malicious redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://huntic.ru/uplcv?utm_term=android+one+vs+ios PDF link annotation
- http://mintaialuminum.com/d/files/53320695524.pdfIn PDF document text
- https://discovercefalu.it/_data/images/file/20205991752.pdfIn PDF document text
- http://crocepadrekolbe.it/userfiles/files/94215656119.pdfIn PDF document text
- http://cheevalome.com/image/upload/File/43438549512.pdfIn PDF document text
- http://salonorganica.ru/upload/files/pibipetesigivu.pdfIn PDF document text
- http://hasyo.net/files/file/kiditobeguxe.pdfIn PDF document text
- http://chaputlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/desolekarexiwof.pdfIn PDF document text
- http://sipsak.nl/userfiles/file/zoluza.pdfIn PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613214016d63d---4658912070.pdfIn PDF document text
- https://consultingexpert.eu/fckeditor/userfiles/file/44612327237.pdfIn PDF document text
- https://contabil-fiscal.ro/mm/file/kipetuzejatonuw.pdfIn PDF document text
- http://sobinco.cz/ckfinder/userfiles/files/52858278376.pdfIn PDF document text
- https://everywheregenes.com/uploadfile/qu26_qu106_com/files/73874548672.pdfIn PDF document text
- http://sbstroy53.ru/img/files/41315424720.pdfIn PDF document text
- https://carsen.sk/editor_uploads/system/files/99890323447.pdfIn PDF document text
- http://krupongs.com/images/file/tesakeziwowanugozonaxumul.pdfIn PDF document text
- http://webcertain.asia/contentupload/fckeditorUploads/organization_/file/dorobolorimuro.pdfIn PDF document text
- https://mangalargalux.com.br/ckfinder/userfiles/files/24595004345.pdfIn PDF document text
- https://bhopalliteraturefestival.com/mpsdp/uploads/files/siwobopulejilekoxiduxan.pdfIn PDF document text
- https://cbconsulting112.ca/userfiles/files/xototirupavitimi.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/75984932611.pdfIn PDF document text
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16143e7d2cec7e---zalibedusalubi.pdfIn PDF document text
- https://gamma-electronics-eg.com/userfiles/files/vamavolobafopunebujate.pdfIn PDF document text
- 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_off0000d370.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD370 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eb86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB86 | 9980 bytes |
SHA-256: 78650d694f380a1235c06b001461c8d8812e5364fdf33e6c7a84ced7741c904e |
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font_02_sfnt_off000101c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101C0 | 17540 bytes |
SHA-256: bb7956a75a8ccc5df4ceb42c71d9f0725488cd03e81b44b3480e5c5db9299f8c |
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