MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or malware distribution attempt. It contains a link farm pointing to multiple unknown domains, suggesting an effort to obscure the final malicious destination. The presence of embedded URLs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicate a tactic to leverage search engine optimization for malicious link distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://skyzoan.com/cake/beta/userfiles/file/10044100380.pdf In PDF document text
- http://polishingmarblefloor.it/userfiles/files/35307624950.pdfIn PDF document text
- http://haniltm.kr/upfiles/editor/files/kisut.pdfIn PDF document text
- http://technoculture.cz/admin/upload/file/zobawuwafuf.pdfIn PDF document text
- http://tycoonmedical.com/userfiles/file/gogibitipujotub.pdfIn PDF document text
- https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/aglc1gub5agvnnjt7dp51npc7s/lokolemofodup.pdfIn PDF document text
- https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/4b9dad7fe0c9d9399daf6b276970d27e/toseferasuj.pdfIn PDF document text
- http://lab4050.com/upload/editor/file/33225759287.pdfIn PDF document text
- http://www.520amis.com/upload/files/63793028476.pdfIn PDF document text
- http://falconartistmanagement.com/ckfinder/userfiles/files/57206307395.pdfIn PDF document text
- https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/03740a5ecd2113eb0f217cb8716cb748/91129555304.pdfIn PDF document text
- http://1544-7419.net/upload/fckeditor/file/36651687845.pdfIn PDF document text
- https://cwlighting.com/wp-content/plugins/super-forms/uploads/php/files/db2218136168cbfc6eeda8e0d3210235/82178979613.pdfIn PDF document text
- http://zhengfutz.com/v15/Upload/file/2021630641481724.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a2fc43e936a---pimalafatuvopimiki.pdfIn PDF document text
- http://alexhoffordphotography.com/temp/files/file/tujikasetexafe.pdfIn PDF document text
- http://xn----8sbfeahwarn6ac1adp3fb2p.xn--p1ai/userfiles/file/89736017522.pdfIn PDF document text
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613148b9c2f73---67669809051.pdfIn PDF document text
- https://cingenito.ca/upload/editor/file/zarufifo.pdfIn PDF document text
- https://creativitagh.com/pevron/www/img/file/zobukigebugof.pdfIn PDF document text
- http://graciaindoutama.com/kingkong/userfiles/files/82292488210.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=blood+clotting+mechanism+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_off0000acc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xACC8 | 14548 bytes |
SHA-256: c83e8548c995a9834611213b0fe4ae01f9f10c005cb79688383d32a20e48f215 |
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font_01_sfnt_off0000d0e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0E3 | 11020 bytes |
SHA-256: 846842c481e33ecdfcf844f257960ef4b40d805f7c7486462332a3218aae2c15 |
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font_02_sfnt_off0000ea20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA20 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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