MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ClamAV and an ML classifier. It contains multiple heuristics indicating it's a link farm pointing to compromised websites, specifically WordPress upload storage. The embedded URLs suggest a phishing or malware distribution attempt by directing users to potentially malicious content hosted on these compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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 https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/e6bc9771304bff98113a9f8707247873/kumax.pdf In PDF document text
- http://mail.me.ntou.edu.tw/ckfinder/userfiles/files/20210901_095514.pdfIn PDF document text
- http://omni-links-europe.com/images/blog/file/15269857132.pdfIn PDF document text
- http://uralcomservis.ru/crn_fls/crn_files/gazutibuladipu.pdfIn PDF document text
- https://dnmpaint.com/sdcc/images/file/67526334632.pdfIn PDF document text
- http://baaningdoi.com/file_media/file_image/file/6236550180.pdfIn PDF document text
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/6c877489e5caa724a360bfe9fa369dae/76942810368.pdfIn PDF document text
- http://topspeed4wd.com/ckfinder/userfiles/files/wariwosujavepaji.pdfIn PDF document text
- https://cvssteelex.com/ckfinder/userfiles/files/21477754798.pdfIn PDF document text
- http://tprcindia.com/ckeditor/ckfinder/userfiles/files/dowodaxavamosisat.pdfIn PDF document text
- https://7mark3t2-7aya.com/contents/files/96970589441.pdfIn PDF document text
- https://martensmgt.com/business_school/uploads/file/midafopol.pdfIn PDF document text
- http://9meclinic.com/ckfinder/userfiles/files/notivinomurubujokep.pdfIn PDF document text
- https://stancijanegrin.com/userfiles/file/jizejaxigerajakiririgo.pdfIn PDF document text
- https://maffart-guy.com/userfiles/file/53940583354.pdfIn PDF document text
- http://articolo17.it/siti/usr/foto/files/50579756982.pdfIn PDF document text
- http://nfraccon.org/userfiles/file/82774998735.pdfIn PDF document text
- http://canphantich.net/Images_upload/files/73420087860.pdfIn PDF document text
- http://kbchina.de/upload/bakomalorewev.pdfIn PDF document text
- http://24cvety.ru/upload/files/fajepeduvo.pdfIn PDF document text
- http://kepco-group.com/uploaded_files/userfiles/files/xikumetariruwomuri.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/161390811f050a---zaxepuminizolev.pdfIn PDF document text
- http://gearcon-eng.com/file_media/file_image/file/rakeboxizitog.pdfIn PDF document text
- http://nitecoreromania.ro/files/file/mofenugigodixowiget.pdfIn PDF document text
- http://www.pro9apps.com/app/webroot/files/uploadimagesfile/roguturepowexepijaviluziz.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=grammar+workbook+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_off0000f605.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF605 | 18012 bytes |
SHA-256: 06ac359c80c6dbf989a48891b5af64b0e7ca8c8038d7e07b646c81a57033b87f |
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font_01_sfnt_off00012493.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12493 | 10376 bytes |
SHA-256: bcc7c25da4fbe0f5426727fc6c6f70469f6d2ae2a7d96334884013be2315b074 |
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font_02_sfnt_off00013be0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BE0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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