MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link farm that redirects to multiple compromised WordPress sites. These sites, in turn, host further PDF files, creating a chain of redirects likely intended to obscure the final malicious destination. The ML classifier strongly indicates malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 https://laborke.ru/uplcv?utm_term=gunther+ding+ding+song
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609eb910a8a99---70965662493.pdf
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/364c0c7fc627f654e2890374682fe846/49856467025.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098716135060---bevejebepedonuvuwufupuw.pdf
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076b50be2747---lefifis.pdf
- http://aiswaryamatrimonials.com/fck_uploads/file/76780342768.pdf
- http://2sisaccount.com/userfiles/files/pulaze.pdf
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/887e5ea5880150c5d1ffd903f25b7f74/28178465862.pdf
- http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf1448dd4dc---zutin.pdf
- https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/3264acfd6d06ea9022ba0310a4cc1e4c/ditutumuxilubu.pdf
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be689dc3d9a---53425433746.pdf
- https://www.justgym.co.za/wp-content/plugins/super-forms/uploads/php/files/f2kam41678ulagu35i15cnesbr/8553238954.pdf
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/a33829e794e2b747a58e4721900c9648/vaterusededejimur.pdf
- http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/kiwogutovalemomo.pdf
- https://alexandrapanayotou.com/web/images/static/file/46803639703.pdf
- https://acryl-bg.com/userfiles/file/zunasarigela.pdf
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160c36bc15e013---63883115418.pdf
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160bccb425ed55---tolipowudumukutadiriwawa.pdf
- http://royalgoodviewresort.com/Uploads/file/zisitazaralizigoxafokimu.pdf
- http://timelessmebel.ru/wp-content/plugins/super-forms/uploads/php/files/47b8caba3250ce204791994495850d12/60228515924.pdf
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a359a17aa65---16151754626.pdf
- http://grandbarnettfamily.com/clients/a/a0/a01b80d98e57c38af56892ab55e7d82f/File/91294922056.pdf
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607f6fe0b221a---xituwu.pdf
- http://seashoresilverlabradors.com/clients/4/48/482fd9669fb3260065120a60ccac5e48/File/90499861399.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e2fd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2FD | 16792 bytes |
font_01_sfnt_off0000fb0f.binaa9563f742fb828e68a5919fcc15817cb833ba97c02709a06e48534d84249e09 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB0F | 19036 bytes |
font_02_sfnt_off00012b29.bin61bccedd9b44dad902633157999559571cd9c57cda7b00a8ec8ddbfcf8f2765b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B29 | 10460 bytes |
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