MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF containing numerous links, many of which point to compromised websites or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://infrive.ru/uplcv?utm_term=aion+2+apk PDF link annotation
- http://teenmag.cz/userfiles/file/87429948926.pdfIn PDF document text
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140f6fcde906---lugigukexofara.pdfIn PDF document text
- http://lotusromeo.fr/app/webroot/files/userfiles/files/vigezitoxexuwogowofabipu.pdfIn PDF document text
- http://mobilesamara.com/img/files/file/81686854175.pdfIn PDF document text
- http://szkolka-wiercioch.pl/files/file/lubetotufokokamizoleron.pdfIn PDF document text
- http://meimagedance.tw/ufiles/files/20403902882.pdfIn PDF document text
- http://ck-kutnahora.cz/gais/image/file/likimebeninek.pdfIn PDF document text
- https://flardochform.se/userfiles/file/85946840346.pdfIn PDF document text
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/c2ae2333463b062f922c1d9da1fe4261/32588128328.pdfIn PDF document text
- https://uudanbury.life/files/file/temebuvu.pdfIn PDF document text
- http://chaitraglaze.com/uploads/60616961473.pdfIn PDF document text
- http://akbarestate.com/survey/userfiles/files/naxopelabimujunufebi.pdfIn PDF document text
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16141d286b9412---mesinevobujebajemebiz.pdfIn PDF document text
- https://go2germany.ru/files/file/pomaxegoruviwenisepixaj.pdfIn PDF document text
- http://paneldeconso.com/userfiles/file/renewofadimoxulelosetuza.pdfIn PDF document text
- http://pandoraecza.com/genelresimler/file/wukaz.pdfIn PDF document text
- https://gites-les-bardots.com/userfiles/file/10679737892.pdfIn PDF document text
- http://www.kowel.com/ckfinder/userfiles/files/1631531348.pdfIn PDF document text
- https://navliecky.net/userfiles/file/gosafonobebopalavetumosi.pdfIn PDF document text
- http://oembag.com/uploads/files/202109060855129465.pdfIn PDF document text
- https://bokaichenyu.com/upload/files/vinajekatuwulofepizobax.pdfIn PDF document text
- http://ikkosushi.com/uploads/files/zibifomuwowogesajigo.pdfIn PDF document text
- https://peintures-descours.fr/fichier/files/vuwaxabanuzifamoli.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16134234bd0711---98557459841.pdfIn PDF document text
- http://appartenvue.net/appart/upload/images/41309219316.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_off0000c032.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC032 | 17688 bytes |
SHA-256: 30f6209894eb37662626d4a6ed61cb8ec9a324adaa745cabd6bc588ed8edd1de |
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font_01_sfnt_off0000ee01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE01 | 9896 bytes |
SHA-256: a31cb97812adf3f55e3651a2edf0c2a57e9c1ae413b87500b6f717dae1dcf0e1 |
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font_02_sfnt_off000103f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103F7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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