MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicative of a link farm used for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent. The primary attack pattern involves luring users through a seemingly innocuous document to external, potentially malicious, sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://hongming-eco.com/userfiles/file/71267909805.pdf In PDF document text
- http://newtrichur.com/userfiles/file/vemamajevur.pdfIn PDF document text
- https://mysmartedu.com/uploadimages/files/gidewapofulonesat.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/eac469f41eab54f98e402852e4241e20/zadojanulilawujirakojeb.pdfIn PDF document text
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161382523295a0---zesurodafewarelojeg.pdfIn PDF document text
- https://nevisnews.com/userfiles/83636860096.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/0adb8e2c6e78a5151ec2be2f14694f94/pesitufitodudibudefekiw.pdfIn PDF document text
- http://gloteckr.com/upload/editor/file/vefodupufipe.pdfIn PDF document text
- http://nano-vip.com/ckfinder/userfiles/files/67918519481.pdfIn PDF document text
- http://shopgraeagle.com/ckeditor/uploads/files/xisurinuvorizujidazifaw.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/161322f2b41d56---13210023776.pdfIn PDF document text
- http://dogomanhnghia.com/uploads/files/72494965901.pdfIn PDF document text
- http://flomojapan.com/upload/files/33330960256.pdfIn PDF document text
- http://wefocusdesign.com/upload/files/matofoxegirifotu.pdfIn PDF document text
- https://atasuorganiktarim.com/upload/ckfinder/files/39279791952.pdfIn PDF document text
- http://lahma.pl/_u/userfiles/file/kavujixik.pdfIn PDF document text
- http://bigcool.net/webroot/img/files/47567145055.pdfIn PDF document text
- http://pillshop.ru/uimg/files/48216812906.pdfIn PDF document text
- https://natyabio.com/uploadfiles/18158591998.pdfIn PDF document text
- http://harekatmemuru.com/images/Media/files/pipevamiruluvevomagu.pdfIn PDF document text
- http://bojovesporty.cz/userfiles/file/17051948964.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=polytechnic+chemistry+book+pdfPDF link annotation
- http://pro.ovh.net/~tribuene/images/banque/file/monizezolukepudibetevet.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_off0000afae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFAE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c7c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7C5 | 11072 bytes |
SHA-256: 4a6ef026948ed443a78133fdde8f05230fff70827914adf6e7a3b7d1892c74d4 |
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font_02_sfnt_off0000e128.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE128 | 16524 bytes |
SHA-256: 1e11d713030edd61305171bc833c5e7eb7728b3e7d34ebd375ad62b3214ac02e |
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