MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URIs and is described as a link farm on disposable hosting, indicating a likely attempt to redirect users to malicious sites. The presence of embedded URLs and the nature of the heuristics suggest this PDF is part of a phishing campaign, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 5
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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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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://philabc.ru/uplcv?utm_term=best+alphabet+learning+app+android+free PDF link annotation
- http://uptownfallschurch.com/uploads/files/41373947501.pdfIn PDF document text
- http://mijn-nederland.nl/userfiles/file/wigosewewezigad.pdfIn PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614252acb27eb---97723204806.pdfIn PDF document text
- https://vibangthuaphatlai.net/uploads/files/juxaxixamobibofesi.pdfIn PDF document text
- http://parfumerieindex.nl/images/uploads/mojegelevafategimaz.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614b8b2a5f2da---39373139238.pdfIn PDF document text
- https://iwanbim.com/userfiles/files/50169332270.pdfIn PDF document text
- https://giant-nano.com/app/webroot/userfiles/files/muponujovigigeloke.pdfIn PDF document text
- https://taipeitccia.org/CKEdit/upload/files/10026310008.pdfIn PDF document text
- https://people11people.gr/uploads/File/76308765563.pdfIn PDF document text
- https://www.mediawerf.nl/bundles/store24backoffice/ckfinder/userfiles/files/27527424472.pdfIn PDF document text
- http://leoclubmarsala.it/userfiles/files/xejan.pdfIn PDF document text
- http://otohondamientay.com/upload/files/89128651241.pdfIn PDF document text
- https://machnhaduong.com/images/uploads/files/fugituvebenowuru.pdfIn PDF document text
- http://islenapuntos.com/campannas/file/dijirato.pdfIn PDF document text
- https://momentous-inst.com/uploads/image/files/83091981005.pdfIn PDF document text
- https://iveducentar.com/uploads/assets/file/27759696964.pdfIn PDF document text
- https://lidiyageorgieva.com/ckfinder/userfiles/files/13604996384.pdfIn PDF document text
- http://semihkerpiccilervesupersound.com/upload/file/41994663193.pdfIn PDF document text
- http://zhongguohuachun.com/d/files/kabezirudakazazerilijup.pdfIn PDF document text
- http://baltyk.recykling-rejs.pl/imgturysta/files/64639957043.pdfIn PDF document text
- http://terralis.net/catalogue_dynamique/file/tokuwumenurowixup.pdfIn PDF document text
- https://jensbrode.de/files/file/tozikoserikojevumirimuwor.pdfIn PDF document text
- http://ryanoomen.nl/uploadimages/files/kegowub.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_off0000b378.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB378 | 15776 bytes |
SHA-256: 8a0391aa788cc2f46542a20829b2dea66d7bd788afb272091873b255c338a447 |
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font_01_sfnt_off0000db50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB50 | 10972 bytes |
SHA-256: 132bd1d174843ae7e6c114561fa5adb03d17e40a689a101486859521b49f9598 |
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font_02_sfnt_off0000f44a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF44A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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