MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Several heuristics indicate the PDF acts as a link farm, directing users to compromised or disposable hosting sites. The embedded URLs, such as http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/nfs98if72nd6vediboma44jij5/lisenefamovegibizofeso.pdf, are likely used to distribute further malicious content or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9827
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://omonetach.pl/foto/ilustracje/file/seribonigibekuz.pdf In PDF document text
- http://campingwithconvenience.com/files/files/tefej.pdfIn PDF document text
- https://fetogram.com/images/upload/files/26503421045.pdfIn PDF document text
- https://oglethorpeclub.org/~oglethor/UserFiles/file/52897801080.pdfIn PDF document text
- http://modamoda.nl/uploads/pic_lib/file/saxotozurujapikige.pdfIn PDF document text
- https://prtl.pl/userfiles/file/lubawug.pdfIn PDF document text
- https://tideandtigers.com/ckfinder/userfiles/files/banamikegawelitigoxo.pdfIn PDF document text
- http://eaas-journal.org/survey/userfiles/files/58068908504.pdfIn PDF document text
- http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/nfs98if72nd6vediboma44jij5/lisenefamovegibizofeso.pdfIn PDF document text
- http://nuovojob.com/userfiles/files/porupuradokadamoti.pdfIn PDF document text
- http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9607c3ee7---86936563585.pdfIn PDF document text
- http://china-hold.com/UploadFile/file/20210611080001067.pdfIn PDF document text
- https://reniuved.it/file/zebor.pdfIn PDF document text
- http://russia-ex.com/images/blog//file/83739128703.pdfIn PDF document text
- http://remont-m.com/userfiles/file/valagaxoxejumubele.pdfIn PDF document text
- http://hzjksj.com/images/upload/File/51914387757.pdfIn PDF document text
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/644jveb9nnnk2ahmhqonnn0q6q/75041956252.pdfIn PDF document text
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d55778a4e14---15665972464.pdfIn PDF document text
- http://monroehighbeachreunion.com/clients/8/88/88bd109b8fc96949fe6caf7698e88fda/File/dixenawidujoxikurozifusit.pdfIn PDF document text
- https://ktmcollege.org/public_html/userfiles/file/xevofuxiduxoduke.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/043a704d8c3a076e662fe89529566d3f/sonusupexagusibob.pdfIn PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160bb1f8fbccd5---51920725896.pdfIn PDF document text
- https://speeddating.lt/speeddating/ckfinder/userfiles/files/95325904332.pdfIn PDF document text
- http://celiapopememorial.com/clients/4/45/45605e685ba8a3b32f56966823665796/File/fovokebedakivotuga.pdfIn PDF document text
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/ct8mv14lcgobcqac345kd5ae2o/69204279035.pdfIn PDF document text
- http://m-camper.ru/ckfinder/userfiles/files/pifilagusegimafovexali.pdfIn PDF document text
- http://outspokenholland.com/userfiles/fckFile/20210725143524.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=proofreading+worksheets+for+grade+5PDF 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_off0000c6e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6E5 | 10900 bytes |
SHA-256: 862f1eebb4ad43ef9049d078d3f4dbb1181da7e26eb4ac3a9c8f09241553b77e |
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font_01_sfnt_off0000dffa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFFA | 17652 bytes |
SHA-256: 460576737b7c8ef43a8579f5c14708d69d93cedadf690ce2e5ee7bded6a33c1f |
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font_02_sfnt_off00010d03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D03 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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