MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous links to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and the overall structure point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://irlanc.ru/uplcv?utm_term=what+is+rooted+android+devices PDF link annotation
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/d2bg49ctt2gv2pq2dlpkud7510/biwajanigi.pdfIn PDF document text
- http://n2nnetworks.com/files/others/67478433579.pdfIn PDF document text
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/911fu245ffe4ml65c85tjhbsea/86216950001.pdfIn PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16153ef1649f7c---tokogegiwefurewol.pdfIn PDF document text
- https://jfava.gemwareserp.com/userfiles/file/13814454341.pdfIn PDF document text
- http://bkht.vn/userfiles/file/jebareronud.pdfIn PDF document text
- http://eko-inwest.eu/upload/file/61153998592.pdfIn PDF document text
- http://vssteel1999.com/ckeditor/userfiles/files/42589331929.pdfIn PDF document text
- http://qataminational.com/uploaded_files/userfiles/files/42936258761.pdfIn PDF document text
- http://bckbytow.naszbip.pl/img/upload/files/43148974885.pdfIn PDF document text
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614912ccdef6f---60780134107.pdfIn PDF document text
- https://artgreen.vn/attachment/files/59981371567.pdfIn PDF document text
- https://nvsrolko.org/ckfinder/userfiles/files/90659765285.pdfIn PDF document text
- https://drjou-vc.com/upload/files/51931834831.pdfIn PDF document text
- http://gzlmjx.com/data/home/bxu2343160066/htdocs/uploadfile/files/55634610387.pdfIn PDF document text
- http://surausa.com/uploads/files/26134939770.pdfIn PDF document text
- http://globalbizkorea.com/userData/board/file/565642440.pdfIn PDF document text
- http://exms.fr/sites/default/files/file/bofilolobopefubexitamijol.pdfIn PDF document text
- https://tw-itemaos.com/ckfinder/userfiles/files/13233838897.pdfIn PDF document text
- http://pk.mo/userfiles/file/91206639231.pdfIn PDF document text
- https://limpiezasinasel.com/userfiles/files/rorelifapipi.pdfIn PDF document text
- http://lammensfilip.be/uploads/files/12186812896.pdfIn PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16134fe9a33be5---lolutupinilegadosizera.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_off0000b90d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB90D | 10480 bytes |
SHA-256: 5c02d7ffc3efec1ca6a6fe10d6d8dee7676e0beb66fe98571b30a34562917034 |
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font_01_sfnt_off0000d0e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0E1 | 18184 bytes |
SHA-256: 68676317e9f68137c5c9d32618bee6aa627d0ec459c78b3c2249f05e00103155 |
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font_02_sfnt_off0000ffb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFB1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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