MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous embedded URLs, many of which point to compromised CMS uploads or are part of a link farm on disposable hosting, indicating a phishing or malware distribution attempt. The presence of these links suggests the document's primary purpose is to redirect users to external, potentially malicious, sites.
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 http://studiotrusso.it/userfiles/files/11293521602.pdf In PDF document text
- https://preciseenergygroup.com/media/51073225214.pdfIn PDF document text
- http://huyminhplastic.com/upload/files/17125752454.pdfIn PDF document text
- https://weeb.nu/userfiles/file/retatos.pdfIn PDF document text
- http://muszempilla.com/files/file/lebof.pdfIn PDF document text
- https://baxsporthorses.nl/userfiles/file/13721096929.pdfIn PDF document text
- http://htwy.com/upload/file/25167566058.pdfIn PDF document text
- http://aggengr.com/uploads/CMS/file/jijojisonarotofu.pdfIn PDF document text
- https://rjpexport.com/files/74025511067.pdfIn PDF document text
- http://egyptlance.com/userfiles/file/zewuto.pdfIn PDF document text
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/e439bfe2b7babefe4087e639e6bd683b/21423003154.pdfIn PDF document text
- https://motecx.com/images/file/42902811826.pdfIn PDF document text
- http://shopphutungmayphat.com/upload/img/files/87099665650.pdfIn PDF document text
- http://ankaraeksioglu.com/resimler/files/69561658628.pdfIn PDF document text
- http://yummyschool.com/_UploadFile/Images/file/18113900850.pdfIn PDF document text
- http://www.coverseg.com/uploads/ckfinder/files/4776934671.pdfIn PDF document text
- http://bk-plus.at/userfiles/files/vazazapop.pdfIn PDF document text
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/d346q82ohme8klu7880gfc4qr4/59138774332.pdfIn PDF document text
- https://thietbivesinhanhhuy.com/asset/files/94309193430.pdfIn PDF document text
- http://evrokomplekt.ru/userfiles/file/xezetofuxepojajizuk.pdfIn PDF document text
- http://bippex.com/filespath/files/20210908065051.pdfIn PDF document text
- https://pakianco.ir/data/image/uploads/news/files/favegawevitak.pdfIn PDF document text
- http://www.florentmaussion.net/userfiles/File/24532824341.pdfIn PDF document text
- https://thinkglobalcompliance.com/ckfinder/userfiles/files/vegarifisexufodogojanur.pdfIn PDF document text
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/16139eacc7c50d---refalib.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=restore+ios+backup+to+androidPDF 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_off0000d842.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD842 | 17352 bytes |
SHA-256: 1fcb29856a7cebf278b5dab4890a1c901b8ef979cb1ec0af4853aa61c55eb843 |
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font_01_sfnt_off00010569.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10569 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011d80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D80 | 10836 bytes |
SHA-256: 5e9f2aa92a1f14f5ed210d4b6bbfd168aaba383bc08cd4bd3def52d1d05ab1ef |
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