MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting it functions as a link farm. The primary goal appears to be directing users to potentially malicious external websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://garderoba.sk/images/_file/53393189420.pdf In PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607fdb5dd92e8---69532457579.pdfIn PDF document text
- https://adepotcustom.com/UploadFiles/file/20210517065003139.pdfIn PDF document text
- http://perseverance.cyou/updatefiles/file/75784281780.pdfIn PDF document text
- http://wsystem.sk/userfiles/files/xetutapamutilopiwe.pdfIn PDF document text
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a82dc700d87---13004920338.pdfIn PDF document text
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085bbfdd06d8---49061174292.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/javevuvobutosip.pdfIn PDF document text
- http://congtyvima.com/images/Download/sufuwupaninurijiji.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607795ae925a0---7572987043.pdfIn PDF document text
- http://uppercanadatwocylinderclub.com/clients/877835/File/mejuxat.pdfIn PDF document text
- http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/160814f2f81947---lalerupadusivanegeduw.pdfIn PDF document text
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/6ad898f6241519fac31ab57b19ef81c6/44051487008.pdfIn PDF document text
- http://arch-teh.com/pic/userfile/59856098597.pdfIn PDF document text
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160dfe084e7fff---bupeluwuwosezuboloxorurox.pdfIn PDF document text
- http://ildungrice.com/fileupload/fckeditor/file/54252908153.pdfIn PDF document text
- https://assignmentmart.com/ckfinder/userfiles/files/17461866042.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=what+does+manually+manage+music+and+videos+mean+on+iphonePDF 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_off0000c4e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4E0 | 17648 bytes |
SHA-256: 6c1f5f9a13d3105ad1366cded0f203cbbd68994601035f0e0b8bd992181a6eed |
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font_01_sfnt_off0000f1ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1EA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010a01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A01 | 11136 bytes |
SHA-256: f94f9073be916e2ea131c4075170e79be2584043f6c3d60bb16b24836bd15bbf |
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