MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file detected by ClamAV as Pdf.Phishing.Trojan. It contains embedded JavaScript, which is a common technique for executing malicious code within PDFs. The file also functions as a link farm, with numerous URLs pointing to other PDF files hosted on various domains, some of which appear to be compromised WordPress sites. This suggests a multi-stage attack, likely involving phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://conelser.hu/fck_uploads/file/mejafubologufopoveravej.pdf In PDF document text
- http://hitelesen.com/userfiles/file/41341828279.pdfIn PDF document text
- https://www.elitelawnsolutions.co.uk/wp-content/plugins/super-forms/uploads/php/files/48df0q2rd1uu3c72e0eg5fng5m/69919606210.pdfIn PDF document text
- https://amitadevnani.com/userfiles/file/ninapodafejosor.pdfIn PDF document text
- http://annabarons.lv/files/files/12728593468.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/3g5es18ltrqaroaipt8noamm32/bavowa.pdfIn PDF document text
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/16120525586392---23446679105.pdfIn PDF document text
- https://vadihosting.com/calisma2/files/uploads/puwezenolabajegoguxi.pdfIn PDF document text
- http://gialtour.it/themes/userfiles//files/51958602229.pdfIn PDF document text
- https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/8420613c23ac388482617891490320ca/10944027761.pdfIn PDF document text
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1f857120a---32770828064.pdfIn PDF document text
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/9j3sikjv5kuqsol5vbd2j2d6o4/94905992912.pdfIn PDF document text
- http://mebelhotel.ru/userfiles/files/92702679652.pdfIn PDF document text
- http://hoondb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608162d4d01f3---nujodugenozuru.pdfIn PDF document text
- http://101eyewear.com/luutru/files/11127772861.pdfIn PDF document text
- http://daieimotors.com/js/upload/files/lerogeluvu.pdfIn PDF document text
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a1f203dbe88---dejevudeg.pdfIn PDF document text
- https://verlauf-ekb.ru/admin/ckfinder/userfiles/files/60430634156.pdfIn PDF document text
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/16094aeba92de7---nuzufavoligodotozojar.pdfIn PDF document text
- http://www.pes.edu.mn/ckfinder/userfiles/files/89490622000.pdfIn PDF document text
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609918e39c5a3---laruz.pdfIn PDF document text
- http://kaymccarthy.com/immagini/file/pevotatogajivogidede.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160823748b5e01---87148679322.pdfIn PDF document text
- http://www.pzkexie.com/up_files/file/joxiridupaselivunir.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=ong+bak+4+tamil+dubbed+movie+free+downloadPDF link annotation
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/153363cdda006bc1664246b05d32ed81/78109664822.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_off0000f1e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1E2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000109f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109F9 | 11116 bytes |
SHA-256: d7c47168f0a65cd7577127c8e796be72ff0788084d046115f94cebf55c42cce1 |
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font_02_sfnt_off000123d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123D1 | 19072 bytes |
SHA-256: 3a571e7bcead36fc435ffd87db0b150ba4bd3903f83e4a166a6dfeaa9c93fb43 |
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