MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to disposable hosting or compromised CMS upload directories, suggesting a link farm designed to redirect users to malicious sites. The presence of these links and the overall structure strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://hostingureitings.lv/uploads/userfiles/files/72595164043.pdf In PDF document text
- https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/5e6ff1982ba2f12dcb9adfcddaed151c/januja.pdfIn PDF document text
- https://metricgroup.it/uploads/file/84468081967.pdfIn PDF document text
- http://cnzgks.com/userfiles/file///tukatalevatobalefuwizek.pdfIn PDF document text
- https://birsamundapark.in/userfiles/files/24199757289.pdfIn PDF document text
- https://hobbes-group.com/upload/files/35054668780.pdfIn PDF document text
- https://giritrademark.com/content_files/files/dinetatixijotop.pdfIn PDF document text
- http://showplus.ae/userfiles/files/14119128506.pdfIn PDF document text
- http://woodbridgeabw.com/uploads/files/jurusug.pdfIn PDF document text
- http://yuanjen.com/ckfinder/userfiles/files/36553188955.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16145f22dc8a6a---golitipomefepixiwosonad.pdfIn PDF document text
- https://szaniterplaza.hu/ckfinder/userfiles/files/damurif.pdfIn PDF document text
- https://clinicaabrahaoosta.com.br/ckfinder/userfiles/files/varanikoxemizidopabemiti.pdfIn PDF document text
- https://rais.bg/uploads/file/77224897417.pdfIn PDF document text
- https://isuzuphonoi.com/data/dulieu/files/kegazululilofomafetide.pdfIn PDF document text
- http://burbank.kopanramen.com/uploads/files/zobukusiku.pdfIn PDF document text
- http://gleb777.com/fck_upload/file/93042733421.pdfIn PDF document text
- https://kawanmto.info/contents/files/pogewonoxaxadanidonagub.pdfIn PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/515b41ad7f0ec3618fb967ae99f6f1d0/7122504178.pdfIn PDF document text
- http://flooroverstock.com/admin/userfiles/file/24477474558.pdfIn PDF document text
- https://tideandtigers.com/ckfinder/userfiles/files/50325760434.pdfIn PDF document text
- https://irish-setter-zucht.info/ckfinder/userfiles/files/95982999473.pdfIn PDF document text
- http://superfishinglewood.com/uploads/files/moravokilu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=thor+ragnarok+movie+watch+onlinePDF 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_off0000aeae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEAE | 10716 bytes |
SHA-256: e16dc1fed255e76691354327e743f55347efeeb1a8a0cd62a6ff45dabcfda5ff |
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font_01_sfnt_off0000c72b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC72B | 16124 bytes |
SHA-256: dd03e765b1d68df04e07e86e9e6ed575066f0e32be079ed2ac792968c2807f86 |
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font_02_sfnt_off0000eeef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEEF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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