MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF file flagged by ClamAV as a phishing trojan and by an ML classifier. It contains numerous embedded URLs pointing to external websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a link farm designed to redirect users. The presence of these links suggests the primary purpose is to direct users to malicious sites for phishing or further malware delivery.
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 https://smidgel.ru/uplcv?utm_term=pray+for+the+president+scripture PDF link annotation
- https://wyslijpaczki.pl/app/webroot/files/userfiles/file/1937480959.pdfIn PDF document text
- http://www.larucheapain.fr/ljk/file/31951002047.pdfIn PDF document text
- https://editora-arara-azul.com.br/site/admin/ckfinder/userfiles/files/kerogulumiboteteneroti.pdfIn PDF document text
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161544939b715d---xufirizatixagogemuvuve.pdfIn PDF document text
- http://ore-processing.ru/d/files/zafejadelebitesedudukemav.pdfIn PDF document text
- http://machinesupplier.cn/data/product/file/2021910_9229_766.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1615c305173d8e---zunopedinafikigurabekax.pdfIn PDF document text
- http://yuhao-tech.com/userfiles/file/sesuzofisun.pdfIn PDF document text
- http://puebloexec.com/userfiles/file/39056752729.pdfIn PDF document text
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/161414b866f8cb---xutozepa.pdfIn PDF document text
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161569858c0cea---87022137334.pdfIn PDF document text
- http://cleangroupbd.com/ck/upload/files/38059071533.pdfIn PDF document text
- https://ocw.tw/uploads/files/68170631682.pdfIn PDF document text
- http://sztarmedia.hu/_user/file/17503984193.pdfIn PDF document text
- https://windscrm.net/files/file/tezilabusamagevakixoda.pdfIn PDF document text
- http://aptekainternetowa.net/_mdm_apteki/file/50224587507.pdfIn PDF document text
- https://almoheetmanpower.com/public_html/userfiles/file/fomokenaruxikikafezo.pdfIn PDF document text
- http://theseadiaries.com/ckfinder/userfiles/files/zonug.pdfIn PDF document text
- https://skykharchono.mn/editor/files/pozulirasufovagonotiwo.pdfIn PDF document text
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16152edf02adea---65244208873.pdfIn PDF document text
- https://szemvidito.hu/sfwkr/feltoltesek/Images/Image/petudalarukexifobatu.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fd03047a18---68215469925.pdfIn PDF document text
- http://debten.net/UserFiles/File/pujekifejoxokowonub.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_off0000e35b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE35B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fb72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB72 | 10888 bytes |
SHA-256: 82a5b4fc1c2b5199d824b6819c21ee822b5eff398b10164f9873f8fdbb0c86e6 |
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font_02_sfnt_off0001149c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1149C | 20012 bytes |
SHA-256: 82bb9e03e2181c1862722816913be57c4dc0c56587f47e9165e5d5663cc1792c |
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