MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous external links, many pointing to compromised CMS upload directories, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the overall structure indicate an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://irlanc.ru/uplcv?utm_term=dragon+ball+heroes+episode+1+download PDF link annotation
- https://ambientltg.com/wp-content/plugins/super-forms/uploads/php/files/d5b0246f7f30486a549e88b2fafba607/bogizidumolufu.pdfIn PDF document text
- http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ad99e0ddc2d---19190473826.pdfIn PDF document text
- https://muratay.nl/userfiles/file/fifojotutoxosuropanamogaw.pdfIn PDF document text
- https://bdata.vn/upload/files/fimasapagigokeba.pdfIn PDF document text
- http://yves-segers.be/userfiles/files/pokusamipof.pdfIn PDF document text
- http://desushibar.com/userfiles/file/xonawedir.pdfIn PDF document text
- https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083eb7b30634---78633893150.pdfIn PDF document text
- https://perfecthospitals.com/ckfinder/userfiles/files/10051421066.pdfIn PDF document text
- http://bona-agra.pl/Upload/file/47793932889.pdfIn PDF document text
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/1c49e5a0d16376127ecceca746eaaa7e/80887054757.pdfIn PDF document text
- https://szaniterplaza.hu/ckfinder/userfiles/files/sakoz.pdfIn PDF document text
- https://gonguyenkhoi.vn/upload/files/jamax.pdfIn PDF document text
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/p2cl0ch9p5k78b395rtqqsv0u4/janota.pdfIn PDF document text
- https://vidaleve.net/ckfinder/userfiles/files/5206888814.pdfIn PDF document text
- http://ongnuocdenhat.com/upload/files/runewokubowu.pdfIn PDF document text
- http://aihyang.com/userfiles/file/38334550974.pdfIn PDF document text
- https://uleiuri.ro/userfiles/file/lokokolesilajiwopopex.pdfIn PDF document text
- https://remoteworkerclub.com/wp-content/plugins/super-forms/uploads/php/files/db4838985bf7daf06c47ae8c3da184a0/16051128076.pdfIn PDF document text
- http://ristoranteibucanieri.it/userfiles/files/77959878608.pdfIn PDF document text
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/ebf7faaf7137dd6676da013cba4fb3a2/nonoxew.pdfIn PDF document text
- http://benardoutlite.com/admin/fckeditor/fckdata/file/43484340608.pdfIn PDF document text
- https://infoenergie-loire.org/userfiles/file/56295785545.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_off0000d286.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD286 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ea98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA98 | 20176 bytes |
SHA-256: 83fd4edc92dc9abfcadbaaca6438b5537155bb0547fc165cc45a70b41c410a9f |
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font_02_sfnt_off00011fdc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FDC | 10852 bytes |
SHA-256: 4c9bbef07f5dfcf939f41d8a36f275407c7f3b35cc6e2de5550473dfba8a9cbc |
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