MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous links pointing to compromised CMS upload storage, indicating a link farm designed to redirect users to malicious content. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a phishing or redirection attack. No scripts were extracted, and the document body was unreadable, so the attack pattern is inferred from the URL heuristics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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://livingkaneohe.com/userimages/76557651031.pdf In PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ae4d5fecae4---73979290520.pdfIn PDF document text
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/6rb6035ug0f1k419mvuutreegc/fofazeruvodivofaziwuzuw.pdfIn PDF document text
- http://alarcon-v.com/editor_upload_image/file/52092599171.pdfIn PDF document text
- https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608475d3bb2fd---95483734562.pdfIn PDF document text
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2351ae0260---muxilepitotatolifeluw.pdfIn PDF document text
- http://debden.org/userfiles/file/waputetel.pdfIn PDF document text
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/47f34b940bed0bb6ab31e9f03467ca08/6724946922.pdfIn PDF document text
- https://www.mnspineandsport.com/wp-content/plugins/super-forms/uploads/php/files/643ebe98161e19e15a4fb6161e133e41/44432417826.pdfIn PDF document text
- http://learningkey.org/userfiles/lokipuni.pdfIn PDF document text
- http://gentlemensquartersbarbershop.com/wp-content/plugins/super-forms/uploads/php/files/7161a68b637158c22c3a4b57e9663754/gawoderuborelugadodinudo.pdfIn PDF document text
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/af194dac97d3cf997ab39f2892b2f1c7/17911357673.pdfIn PDF document text
- http://brenna-ski.pl/userfiles/file/33280249648.pdfIn PDF document text
- http://massarentearchitettura.com/userfiles/files/8371133595.pdfIn PDF document text
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1f83a3466---lekubigefenej.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d0d3def656---wonolezupirofalu.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607dfc5b95183---gotalenago.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/332efd9745d8e0bf5a2c0e3d6c5157d2/gukinoba.pdfIn PDF document text
- https://abugfreemind.com/userfiles/file/28499396943.pdfIn PDF document text
- https://electrabicycles.pl/app/webroot/uploads/file/16210292209394.pdfIn PDF document text
- http://all-pass.com/folder/editor/file/15663624092.pdfIn PDF document text
- http://mispuntossaga.com/campannas/file/7564038315.pdfIn PDF document text
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/b53b7d85a5392cc9dc89078691b30b32/gorabafesemelobo.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099a5bff1bdf---kodudowarituk.pdfIn PDF document text
- http://paroissedementon.fr/upload/files/wapebuxasagewe.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072e161918ad---vepisebejugazotib.pdfIn PDF document text
- http://lateonsettay-sachs.org/userfiles/file/nudifumijebodumujip.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=is+rice+a+bad+carbPDF 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_off000108eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108EB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000120fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120FD | 17240 bytes |
SHA-256: e910ed2f16b9ada9a0fb9f32b8639fee5f0ebd0cd548b641c9ebdea8fc855e37 |
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font_02_sfnt_off00014d78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D78 | 10084 bytes |
SHA-256: 1a1f9ca4776ed1674e51413b3907eaf13a01095a8ea2f64d6a603189a3ecd5b5 |
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