MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 Malicious Link
The sample was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate the PDF functions as a link farm, directing users to multiple compromised or disposable hosting sites. The presence of numerous unknown URLs suggests an attempt to distribute malware or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/a6018898bb2d3346a4cfc41c61a649ad/64963597114.pdf In PDF document text
- http://taiwanquinoafamily.com/shopadmin/upload/files/87178851510.pdfIn PDF document text
- https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/2f204f0108ed7948c10c9fe604005fd8/6708195510.pdfIn PDF document text
- https://mma-montessori.com/admin/ckfinder/userfiles/files/mimewu.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160af6071110e7---43411120694.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b750a60165---43911442234.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/84d5b59df9611b380c83818a95b03467/78944572629.pdfIn PDF document text
- http://chnli.tw/CKEdit/upload/files/37370213911.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/ulhb45mmuk8stoumgfotgmvaer/godolorivapofa.pdfIn PDF document text
- http://footstepfloor.com/upfiles/files/6343853409.pdfIn PDF document text
- https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/0c3e2fa0ec982fdf41ab88bce28f4191/32910974312.pdfIn PDF document text
- http://qdjshg.com/files/file/wujavanom.pdfIn PDF document text
- http://ageofwonders.buka.ru/sadm_files/41617464883.pdfIn PDF document text
- http://cnmrobotics.com/files/files/badosevu.pdfIn PDF document text
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/12d33958880b963e22ed1228a17d4b1f/1536324037.pdfIn PDF document text
- https://eghamatyab.com/basefile/bainbookcom/files/84115496412.pdfIn PDF document text
- https://cwlighting.com/wp-content/plugins/super-forms/uploads/php/files/735e864dbf8a973b20b889d4688311f8/vozuwopesenevidadej.pdfIn PDF document text
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/srcg28e8ig6gpiucrv5retqkav/zokol.pdfIn PDF document text
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/cca2dfd06eabaa7078100c332f0a50a8/patiduwam.pdfIn PDF document text
- https://bustotoronto.com/userfiles/file/32692432505.pdfIn PDF document text
- http://astorandblack.net/emailer/userfiles/file/vurodabixonujekenikiwo.pdfIn PDF document text
- http://55thocscompany.com/clients/62662/File/sekokanusinenes.pdfIn PDF document text
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/39dd8418239d611770cfa693b5ac86e9/39772685035.pdfIn PDF document text
- https://nazragame.com/calisma2/files/uploads/18270762113.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=deep+learning+nature+paper+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_off00011754.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11754 | 18936 bytes |
SHA-256: b3a4c563c44ce2d56e935b8f3a8384f6c6298e696c6a08674e12b6cea45db456 |
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font_01_sfnt_off000148e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x148E1 | 10484 bytes |
SHA-256: 5b9b082912b46d7477a11d03a9f4aa2ba712536b4cc96badbc7588006acfa1df |
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font_02_sfnt_off00016098.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16098 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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