MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm or phishing lure. The PDF structure and embedded URLs are consistent with techniques used to redirect users to malicious sites for further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9933
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://oniceh.ru/uplcv?utm_term=implicature+in+pragmatics+pdf PDF link annotation
- https://cape-electronics.com/media/file/vutujer.pdfIn PDF document text
- https://jin-ji.com/upload/files/51692445942.pdfIn PDF document text
- http://61kidsclub.com/userfiles/file/xunodoxalogavi.pdfIn PDF document text
- https://www.ndgai.com/wp-content/plugins/super-forms/uploads/php/files/peusb6va331tg1uo5j2vmhafeo/toditunaseripoxazamu.pdfIn PDF document text
- http://tpdw.pl/userfiles/file/4013248544.pdfIn PDF document text
- http://matras-devison.com/upload/file/nezudoruz.pdfIn PDF document text
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/2eeb3342636d0927c495c86d15a19a49/40562534608.pdfIn PDF document text
- https://ph789.com/pinhsuan/files/file/xukirorefokegukimo.pdfIn PDF document text
- http://thaihotelsale.com/FileData/ckfinder/files/20210814_5308E8E7F48F8E52.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16074ac6a4efa5---63278087695.pdfIn PDF document text
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1607ebfcb99ca3---80366019754.pdfIn PDF document text
- http://andreaslasnik.com/data/files/xuxunokedodevi.pdfIn PDF document text
- https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/916535acb5ee38801398508ba5223017/15630254398.pdfIn PDF document text
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/ce26aec7a4cd6a333f7368e35efc8e82/92157959233.pdfIn PDF document text
- https://dintek.eu/uploads/file/64387709947.pdfIn PDF document text
- http://tea-ra.com/user_data/upload/save_image/files/56240980761.pdfIn PDF document text
- http://omonetach.pl/foto/ilustracje/file/nugavilaxojirakodeba.pdfIn PDF document text
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/tuijk7e8812stpbta4od0cfuhf/87885361546.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f9fdd89b4c---deviku.pdfIn PDF document text
- http://s4l.vn/storage/ckfinder/files/40160561928.pdfIn PDF document text
- https://ahreco.com/uploads/news_file/beluxumo.pdfIn PDF document text
- http://2ds-creations.fr/userfiles/file/rerobegotadokabipojob.pdfIn PDF document text
- https://wrd13.com/force/file/11543263702.pdfIn PDF document text
- http://kfbi.ru/content/file/fifiwepubunaruli.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160fca67339f3b---92975460376.pdfIn PDF document text
- https://acavacecio.it/userfiles/files/zisuwazogazimazume.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_off00013a79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A79 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001528b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1528B | 19852 bytes |
SHA-256: c90c35efb2a92ab44724753c73e90da6d761b661a25a608a1419c2194c942d05 |
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font_02_sfnt_off00018627.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18627 | 10896 bytes |
SHA-256: b81c79fd615168a02add6629cedee9ccdc4e94d211a8a10ad308d05495a39a67 |
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