MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate the PDF acts as a link farm, directing users to multiple external URLs, some hosted on compromised CMS uploads. These links likely serve as a lure for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://huntic.ru/uplcv?utm_term=types+of+life+cycle+model PDF link annotation
- https://hyundainhapkhau.vn/upload/files/38928255039.pdfIn PDF document text
- http://klenderbio.com/upload/files/darinesik.pdfIn PDF document text
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/161401d2b8fb93---wusofisozalajiwopeg.pdfIn PDF document text
- https://fullmagicweekend.com/ckfinder/userfiles/files/vatofixokagutitoguderu.pdfIn PDF document text
- http://195exim.com/datas/files/fojetiw.pdfIn PDF document text
- http://robertoantoniz.com/resources/original/file/deritemovebepunogawulo.pdfIn PDF document text
- http://cpgny.com/userfiles/files/6282651386.pdfIn PDF document text
- https://mimpidia.com/contents/files/wujebivozepofejasavorib.pdfIn PDF document text
- http://ewhamd.net/upFiles/ckeditor/files/86244510780.pdfIn PDF document text
- http://hansungid.com/userfiles/file/46197204622.pdfIn PDF document text
- https://yaslibakicisi.net/userfiles/file/ragejaxogenogadazomaxobab.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/161385bbd366a9---19842342887.pdfIn PDF document text
- http://saltokisport.com/uploads/files/tawilafonojapeberefe.pdfIn PDF document text
- http://zoscm.zohukum.com/ckfinder/userfiles/files/3925039657.pdfIn PDF document text
- https://heritagecambodiatravel.com/userfiles/file/69146580667.pdfIn PDF document text
- https://nutritie-metabolism-sanatate.ro/app/webroot/files/userfiles/files/6480046829.pdfIn PDF document text
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/e7d054c6af6daf4e39add7c3f5a5611a/tezavibufixizemefi.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/3645de6ff8267decba244f65153cb4f0/61132415902.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/15d55e598dc63d131cb16dd586ce23ed/lotokizamapukekogaw.pdfIn PDF document text
- https://newcar-rental.com/uploads/files/202109080027089029.pdfIn PDF document text
- http://anabakorea.jp/userfiles/file/jamepi.pdfIn PDF document text
- https://longhungphat.org/Images_upload/files/72780554623.pdfIn PDF document text
- http://fli.edu.mn/ckfinder/userfiles/files/magazozerubibamed.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_off0000df7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF7A | 17956 bytes |
SHA-256: 794eec46b03015bb91bc3c3c467738b26f66f6e924f5b0245e24b34834484add |
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font_01_sfnt_off00010dae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DAE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000125c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125C5 | 10396 bytes |
SHA-256: 22af092740e085d64b31f15bcc765e2ecdf06dc73255f34ef02425bd9372ca2c |
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