MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised websites, indicating a link farm designed to redirect users to malicious content. The ML classifier strongly flagged this PDF as malicious, and heuristics identified it as a link farm on disposable hosting. The presence of multiple external URIs and compromised CMS upload links further supports the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9979
Heuristics 5
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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://attep.com/home/sandbox/domains/heekee.com.hk/public_html/ckfinder/userfiles/files/ravotutasivizaram.pdf In PDF document text
- http://parishad1925.org/ckfinder/userfiles/files/83471578158.pdfIn PDF document text
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dbfdccb1aa2---nefukolesogunijo.pdfIn PDF document text
- http://say-international.eu/userfiles/file/damalepa.pdfIn PDF document text
- https://hojoairport.com/images/file/zogurovabawimizotasagegi.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16070a47699b32---vanupalulinibawarijuroj.pdfIn PDF document text
- http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/78996745536.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acb8ed9710e---29502676869.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4704ccce8e---bamuperigimuka.pdfIn PDF document text
- http://xn--80akazwaeiw.xn--p1ai/editorfiles/file/rakag.pdfIn PDF document text
- http://thomasbelldescendants.com/clients/40432/File/zenijesoz.pdfIn PDF document text
- https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/9c9e1e27cccc9de9fabd807a69c29367/kemaxowemo.pdfIn PDF document text
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/00g0tnk360skntds6aatd4dlt4/bevenujelutezixok.pdfIn PDF document text
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/vhjs3rm47d4d1jsgfcg7ban3mv/temufuxelajegumikela.pdfIn PDF document text
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b59048b60b4---80079205350.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/66121696090.pdfIn PDF document text
- http://usaoxin.com/userfiles/2021-6/file/54296855477.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609b5de8b799b---1250499273.pdfIn PDF document text
- https://cowichanmusicfestival.com/userfiles/file/67093177399.pdfIn PDF document text
- http://waterlootour.com/FileData/ckfinder/files/20210611_7742DBF50685064D.pdfIn PDF document text
- http://diysmart.net/userfiles/file/vekubisakafomapak.pdfIn PDF document text
- http://spearmanhsreunion.org/clients/e/e1/e1754705b4c076d7cd520c5e9e79ed07/File/86701634735.pdfIn PDF document text
- https://transpack-krumbach.de/_upload_bilder/_filemanager/file/todekarogubitagize.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=molecular+biology+multiple+choice+questions+with+answers+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_off00010643.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10643 | 11648 bytes |
SHA-256: 14c37b6391e39f17f925021f6862c1f5ddb1b71f329a8e8e82dd431445a6f16c |
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font_01_sfnt_off00012122.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12122 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013934.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13934 | 18052 bytes |
SHA-256: 731a24bf99af190d1c8f77a0ebaa8685ff906b19b47295c1a31c2050f91d9b5b |
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