MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or trojan-like behavior. The document contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of URLs like 'https://inwebjor.ru/uplcv?utm_term=yowhatsapp+8.45+apk+download' indicates a lure for software downloads, likely malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://inwebjor.ru/uplcv?utm_term=yowhatsapp+8.45+apk+download PDF link annotation
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/m8tuk2a6mqvqda7p1me1c7e8bc/tovobinemofotozekeb.pdfIn PDF document text
- http://ubytovani-budejovice.cz/picture/vtextu/file/65561496330.pdfIn PDF document text
- http://agavietnam.com/img/files/zitelelum.pdfIn PDF document text
- https://ginniglobal.com/uploads/file/bezereg.pdfIn PDF document text
- https://nedimgame.com/calisma2/files/uploads/kobofuzakagekesidam.pdfIn PDF document text
- https://aristi-trap.com/upload/users/files/sumazurug.pdfIn PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613c8ef5bc772---56178395352.pdfIn PDF document text
- https://francemonde.news/UserFiles/file/gurakosimiwavavupudoka.pdfIn PDF document text
- http://fsgpj.com/upfolder/e/files/20210908092228.pdfIn PDF document text
- http://campfirewtx.org/userfiles/file/jomobapejeme.pdfIn PDF document text
- http://planao.com/ckfinder/userfiles/files/moduwijujuluwelikuwezedo.pdfIn PDF document text
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/1614075d469bc0---siluzixixexumabazalofexa.pdfIn PDF document text
- http://www.prodomasa.com/ckfinder/userfiles/files/68113148660.pdfIn PDF document text
- http://kurskodkb.ru/page_edit/_samples/userfiles/files/90160496923.pdfIn PDF document text
- https://nayyaralidada.net/alpha/ckfinder/userfiles/files/37410679872.pdfIn PDF document text
- https://jecoexports.com/ckfinder/userfiles/files/26693263719.pdfIn PDF document text
- http://zeshengtecphar.com/UploadFiles/FCKeditor/20210912071823.pdfIn PDF document text
- https://imihwa.com/uploads/image/20210910/files/20210910221720.pdfIn PDF document text
- https://barrier.exma.cl/ckfinder/userfiles/files/powefidupepekoraxidas.pdfIn PDF document text
- http://tlumacz-bialystok.pl/pliki/file/nagatukipamojar.pdfIn PDF document text
- http://usa-ex.com/images/blog/file/zuxiwitaposipigadiwid.pdfIn PDF document text
- https://rireenfrance.com/images/upload/files/14911112813.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_off0000d003.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD003 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e815.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE815 | 18076 bytes |
SHA-256: e42b4ffcc21f88e47deb1771f01a2d3c77b8ab2a94270e643c44044906a5ffc7 |
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font_02_sfnt_off00011648.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11648 | 10812 bytes |
SHA-256: 02b1411a4fb94f18cbf5f536203c0f638e110dce9fdf3d06025f4a3c314988ff |
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