MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, indicating a link farm designed for malicious redirection. The ClamAV detection and ML classifier strongly suggest a phishing or trojan payload delivery. While no scripts were explicitly extracted, the PDF structure and URL patterns are indicative of a phishing lure, likely delivered via spearphishing attachment.
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://inwebjor.ru/uplcv?utm_term=cell+phone+restart PDF link annotation
- http://www.electricman.in/demo/frontend/web/uploads/files/bajuverulot.pdfIn PDF document text
- http://foto-recepty.sk/images/fotky/foxukowunevepokezupofe.pdfIn PDF document text
- http://sasolution.kr/userfiles/file/gifiteburadez.pdfIn PDF document text
- https://vgi-vn.vn/app/webroot/img/files/lapoxutolok.pdfIn PDF document text
- http://felixefontesadvogados.com.br/ckfinder/userfiles/files/vuwaterudufipameki.pdfIn PDF document text
- https://uleshuzataruhaz.hu/files/file/dokutifijajiliwulemixa.pdfIn PDF document text
- https://tele-video.ru/upload/files/serovud.pdfIn PDF document text
- http://fijiembajak.com/uploads/ck_uploads/files/labojifafukikujis.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cfbb56166e---kukedurenaw.pdfIn PDF document text
- http://papierplus.pl/userfiles/file/wominobunokazexifalefome.pdfIn PDF document text
- http://kssi.ir/public/userfiles/file/nesizojibelaxugagisegu.pdfIn PDF document text
- https://gifarlcm.com/upfiles/editor/files/sogubavevetuni.pdfIn PDF document text
- https://usgcambodia.com/userfiles/file/tilurixarerozabez.pdfIn PDF document text
- http://geometrabottero.it/userfiles/files/58009489457.pdfIn PDF document text
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/c6c34e26b6fa097315d39e8b8f7bbd7e/63951336143.pdfIn PDF document text
- https://volgogradexpo.ru/ckfinder/userfiles/files/genifu.pdfIn PDF document text
- http://avvolodin.ru/upload/file/ravanowisiwoduja.pdfIn PDF document text
- http://rotarycochinharbour.org/ci/userfiles/files/57153172771.pdfIn PDF document text
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac7b2ebbb6---45213148151.pdfIn PDF document text
- http://commissioncollectionlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/segalarajunimigonus.pdfIn PDF document text
- http://newmob.it/userfiles/files/10971322708.pdfIn PDF document text
- https://www.colline-eternelle.com/ckfinder/userfiles/files/musifavavuruvexazeke.pdfIn PDF document text
- http://finchamauto.com/pics/mamerige.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_off0000e901.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE901 | 17992 bytes |
SHA-256: e6a73de14a7642b1c815bcf267a64b6c7edadcb2f73823047ccb36ea952c6989 |
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font_01_sfnt_off00011815.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11815 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001302c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1302C | 10288 bytes |
SHA-256: d179b69a2c05bf32591b052f629fa83f8696506c5d937735a21812960f51fea4 |
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