MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains a link farm pointing to numerous domains, many of which are hosted on compromised CMS uploads or disposable hosting, suggesting an attempt to distribute malicious content or conduct phishing. The ML_NYX_PDF_MALICIOUS and CLAMAV_DETECTION heuristics strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9928
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://cooperspick.com/files/wavokuga.pdf In PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f75c27f11a---manobobazonukoxeb.pdfIn PDF document text
- https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/0e7b4d75804036d3414b16a7940fb8c0/20980936395.pdfIn PDF document text
- https://anandamsanyal.com/userfiles/file/21576760399.pdfIn PDF document text
- https://maggies-handmade.com/UserFiles/files/xaxuwaxazipezekevezabekev.pdfIn PDF document text
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c08f4213fc---25580620032.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/05d14f08fc0353273f245cfa06ca1426/82098418658.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac6dfd945c2---26824399627.pdfIn PDF document text
- http://naszymsladem.pl/upload/file/tokomukerev.pdfIn PDF document text
- http://nhuaduongnhapkhauaz.info/upload/files/jerizitutavufiruziji.pdfIn PDF document text
- http://lambanghieuquangcaogiare.net/vietkiendo/upload/file/vikegakuvosim.pdfIn PDF document text
- http://symbioticlifetech.org/attfile/fckimg/file///20210630151241_536919677.pdfIn PDF document text
- http://apexhealthnutrition.com/newerac2c/userfiles/file/jevaka.pdfIn PDF document text
- http://elateridae.com/images/FCKeditor/file/5028305241.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/be7d6b6b5dc04a450daca0a10d1d83b0/dudupijodaxijipubes.pdfIn PDF document text
- http://ilsungwarehouse.com/userData/ebizro_board/file/25756309594.pdfIn PDF document text
- http://vhktn.at/images/content/files/viravumajetilo.pdfIn PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/d3b1710fb6625c70a828489c613a84de/6352875707.pdfIn PDF document text
- http://albino-pitti.com/pub_img/file/13970402866.pdfIn PDF document text
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/co26b6paap5ktgavg17ne3sk53/85962307846.pdfIn PDF document text
- http://romento.com/uploaded_files/userfiles/files/24953364782.pdfIn PDF document text
- https://swift-tw.com/lcc/upload/files/beganibizitenifufan.pdfIn PDF document text
- http://mea-travel.pl/userfiles/file/gitizowow.pdfIn PDF document text
- https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/a709bbbef3167b7e891274a9d187751e/77262180925.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=pyramide+de+besoin+de+maslow+pdfPDF 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_off00011d19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D19 | 20168 bytes |
SHA-256: 55e28327b4e5244786025aa9b2729f3b5890cb3634f5d20ac4530905ad919b1c |
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font_01_sfnt_off00014f0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F0C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00016723.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16723 | 10904 bytes |
SHA-256: 5f57f8f2bad2d11923f2d5ba6bfd555b71a2f55fbd4769c66128a4374a73f650 |
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