MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many hosted on compromised or disposable domains, suggesting a link farm designed to redirect users. The presence of 'utm_term' parameters in some URLs indicates tracking, common in phishing campaigns. ClamAV and ML classifiers also flagged this PDF as malicious, supporting the assessment of a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://allytemp.ru/uplcv?utm_term=tridef+3d+apk PDF link annotation
- http://savemaxint.com/files/file/labobenuwuribosaku.pdfIn PDF document text
- https://path.mn/userfiles/files/zeraxopusaduvatabonu.pdfIn PDF document text
- http://hotelpenza58.ru/ckfinder/userfiles/files/gifagadejijovarefulibez.pdfIn PDF document text
- https://detectiveoffice.net/userfiles/file/99073811071.pdfIn PDF document text
- http://nayyaralidada.com/alpha/ckfinder/userfiles/files/57635705037.pdfIn PDF document text
- https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/b409510df8c5e2bfbc71ca742c1d8d16/fasopiru.pdfIn PDF document text
- https://pierreseche.fr/userfiles/file/50686052131.pdfIn PDF document text
- http://distant-property.ru/fck_editor_files/files/74743213522.pdfIn PDF document text
- http://shijijiaming.cn/filespath/files/20210909023735.pdfIn PDF document text
- http://maternites-catholiques.org/ressource/site-image/files/95837852526.pdfIn PDF document text
- http://budropol.de/Upload/file/pufafulobunizenonisunabux.pdfIn PDF document text
- http://retroldn.com/userfiles/file/zezupo.pdfIn PDF document text
- http://abnigakgdsg.friendship-match.com/upload/files/fivowi.pdfIn PDF document text
- https://corianderedmonton.com/ckfinder/userfiles/files/zizibef.pdfIn PDF document text
- https://aymexco.eu/ckfinder/userfiles/files/lanapudafebinejobe.pdfIn PDF document text
- http://webinaris.training/ckfinder/userfiles/publics/files/40031192001.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16135ab864a76d---rexorugajusawanosi.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/68303a01ca6137250ce9d8b216fe0742/30061768111.pdfIn PDF document text
- http://www.ktgroup.co.uk/ckfinder/userfiles/files/10877956536.pdfIn PDF document text
- http://baobianhkhang.com/upload/files/83338944029.pdfIn PDF document text
- https://basalyemek.com/ckfinder/userfiles/files/66013943625.pdfIn PDF document text
- http://dr-onesrl.com/userfiles/files/71373123103.pdfIn PDF document text
- https://acryl-bg.com/userfiles/file/25520012088.pdfIn PDF document text
- http://homokkepek.hu/editor_up/kategev.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_off0000d720.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD720 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ef32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF32 | 18388 bytes |
SHA-256: 3fe9a29a4f7452cea6834c46b03506718135abd8e4b6e3039ca6c379c0c34123 |
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font_02_sfnt_off00011ef3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EF3 | 10184 bytes |
SHA-256: 6273ab80a26c8afe150618dc13b8a3d4ad41e54ae6b76c30b6a9c08fac99eaed |
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