MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many of which point to websites hosted on compromised WordPress installations or disposable domains, suggesting a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lure users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://3rproject.eu/ckfinder/userfiles/files/seziwijidikekumavudaz.pdf In PDF document text
- http://ebbers-schilderwerken.nl/uploads/files/potupog.pdfIn PDF document text
- https://j26clean.com/upload/files/13086249360.pdfIn PDF document text
- http://erpsamik.com/ckfinder/userfiles/files/16496293847.pdfIn PDF document text
- https://pima-alarms.eu/slicice/file/57371294129.pdfIn PDF document text
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131e21ac0821---57129014680.pdfIn PDF document text
- http://ritadas.in/userfiles/file/wosadivuribi.pdfIn PDF document text
- http://acril.ru/ufiles/files/53786225781.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614fd76475e11---kozupumonuwugarat.pdfIn PDF document text
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144956280939---zatabivejuvev.pdfIn PDF document text
- https://parisnordmedical.fr/docs/file/74972668387.pdfIn PDF document text
- https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/116ad8d8830935b16df00e1836d178e1/zagifexesarak.pdfIn PDF document text
- https://stealthwindow.tw/uploads/files/202109161104543965.pdfIn PDF document text
- https://alkathirilaw.com/userfiles/files/42062159733.pdfIn PDF document text
- https://slavyansk.biz/userfiles/file/42789067231.pdfIn PDF document text
- http://yomamasushitogo.com/uploads/files/ximawa.pdfIn PDF document text
- https://traiteur-troyes-mariage-buffet-aube-10.blaisot-traiteur.fr/ckfinder/userfiles/files/45339570732.pdfIn PDF document text
- http://cctechlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/74552980616.pdfIn PDF document text
- http://daltan.hu/userfiles/file/21693731627.pdfIn PDF document text
- https://monamifrance.com/FileData/ckfinder/files/20210924_A0FFC35CFB0EBF3E.pdfIn PDF document text
- https://www.osteopathe-montpellier-sud.fr/ckfinder/userfiles/files/zugajovipisonemevas.pdfIn PDF document text
- https://brothers-music.com/ckfinder/userfiles/files/88913271391.pdfIn PDF document text
- http://artwatch.ru/userfiles/file/5408941606.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=mp4+to+youtubePDF 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_off0000b279.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB279 | 9996 bytes |
SHA-256: 6382454c8b0fd79d0f623c575f39470a4e4a8909c519cb99e7a79f0d312ac7ba |
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font_01_sfnt_off0000c899.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC899 | 16520 bytes |
SHA-256: 5f7b32c1eb9b873c498566d3644fd0331ae01b38c6fa1b0d024c7a9133ba1a01 |
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font_02_sfnt_off0000f1f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1F8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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