MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier, indicating malicious intent. It contains a high number of embedded URLs, many pointing to potentially disposable domains, suggesting a link farm used for phishing or malware distribution. The presence of a QR code lure further supports a phishing attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://drivingschool-brno.eu/files/vulup.pdf In PDF document text
- https://zapcdn.space/web/img/podborky/files/zatimetupunamuve.pdfIn PDF document text
- http://xn--9d0b102a6wc3y4a.com/sa_upload/userfiles/file/20210908083227.pdfIn PDF document text
- http://fotosvatba.net/userfiles/file/sewonujikusijenawikuguwek.pdfIn PDF document text
- https://esportenerd.com/app/webroot/ckfinder/userfiles/files/26103369461.pdfIn PDF document text
- http://www.madiran-cruduparadis.fr/ckfinder/userfiles/files/koxoguzefas.pdfIn PDF document text
- https://stw-nowogard.pl/download/file/levonufumezivetu.pdfIn PDF document text
- https://tapetcenter.ro/app/webroot/files/userfiles/files/sugujosesotujaw.pdfIn PDF document text
- https://aluvioneschicamocha.sinecsas.com/ckfinder/userfiles/files/56725009601.pdfIn PDF document text
- http://futimisdev.com/userfiles/file/gonosuzi.pdfIn PDF document text
- https://sdhouse.info/ckfinder/userfiles/files/ginibaxa.pdfIn PDF document text
- https://a-guskov.ru/uploads/files/lonapaxikokes.pdfIn PDF document text
- https://coil.hk/upload/files/nedivusoti.pdfIn PDF document text
- http://boldogelet.hu/media/8903983645.pdfIn PDF document text
- http://myshopgroup.com/userfiles/files/neremozofokikadozotagurel.pdfIn PDF document text
- http://oryginalnedekoracje.pl/userfiles/file/49070079450.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613328fe1e59b---nufudevotipamiw.pdfIn PDF document text
- http://arnoldbolingbroke.com/ckfinder/userfiles/files/20481871051.pdfIn PDF document text
- http://keitbg.com/images/files/demotofipomu.pdfIn PDF document text
- https://www.verimevzabavu.cz/ckfinder/userfiles/files/87665461978.pdfIn PDF document text
- http://dichvutheapec.com/upload/FCK/file/34098468701.pdfIn PDF document text
- https://marjoyunlar.com/calisma2/files/uploads/lavezexev.pdfIn PDF document text
- http://ttlh.vn/storage/ckfinder/files/tunewofadegupikamarizo.pdfIn PDF document text
- https://thefertilizerequipment.com/d/files/xuponedisutipokar.pdfIn PDF document text
- http://kemenyseprosiklos.hu/upload/file/fedelezonujabakilobu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=pdf+compressor+freeware+windows+10PDF 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_off0000d36b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD36B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eb82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB82 | 10900 bytes |
SHA-256: 53f9c751fecde14acbc05aad53243a098e95a44f189c42af00f26f5f17170b72 |
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font_02_sfnt_off000104c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104C8 | 17700 bytes |
SHA-256: be98606667f99091036691c5f6b40372fd4f889e6a9b5f905070b3240b16efc0 |
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