MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised websites and potentially malicious URLs, such as 'https://oniceh.ru/uplcv?utm_term=history+books+in+marathi+pdf+download'. The presence of embedded URLs and the structure suggest it's designed to facilitate phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://oniceh.ru/uplcv?utm_term=history+books+in+marathi+pdf+download PDF link annotation
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/6cpa33tkjp6ggm4h7lu49r28fk/10222726857.pdfIn PDF document text
- https://yocarbroker.com/upload/ckfinder/files/89647863120.pdfIn PDF document text
- http://khiensa.com/UserFiles/File/jeziwoz.pdfIn PDF document text
- https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/886152daf02e8d847b82736cab64c083/87044495622.pdfIn PDF document text
- http://hzbmsj.net/images/upload/File/56621061572.pdfIn PDF document text
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16090d3f84c71c---83468296400.pdfIn PDF document text
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/577855e327e53bd7ee0f61183b0e42e6/61937347920.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bd9eded77e5---73561715590.pdfIn PDF document text
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160703f106495c---tumiwuvanefoterelirujinex.pdfIn PDF document text
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160824d967f686---86948107857.pdfIn PDF document text
- http://klccpa.com/userfiles/file/68913497795.pdfIn PDF document text
- http://rajskiewakacje.pl/userfiles/file/93742442889.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b868ab52e45---87346688741.pdfIn PDF document text
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c50aed6acfc---pezib.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c275cec6171---wumobif.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610d368956692---9163231825.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160824a9275093---73873036097.pdfIn PDF document text
- https://roweryelectra.pl/app/webroot/uploads/file/16209284765902.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1608a5b7a85f5c---62565738843.pdfIn PDF document text
- http://imhkayseri.com/resimler/files/51317956699.pdfIn PDF document text
- http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070868934057---74611844769.pdfIn PDF document text
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/e651c79ccfef20d73cb5a623779d3297/nusapagagag.pdfIn PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16084a4a3b67b4---68087255087.pdfIn PDF document text
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/65aa0ff1cb0a7d19815f24058d83d4b1/misedutudafabogu.pdfIn PDF document text
- https://themalc.org/files/file/potoleve.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_off0000cdcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDCB | 11056 bytes |
SHA-256: fe56f639ac37fef7f2f5663faaeba2282122596f55c6cbb571835836455f2c66 |
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font_01_sfnt_off0000e727.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE727 | 17632 bytes |
SHA-256: 56cd30b3bae682cb51aaaba2c66496e5df76454b123d268cf455ce58e36ba37f |
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font_02_sfnt_off000114e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114E7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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