MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many pointing to other PDF files hosted on potentially compromised websites or disposable domains. This structure is characteristic of a link farm designed to obscure the ultimate destination or to distribute malicious content. The ML classifier strongly indicated maliciousness, supporting the interpretation of this link farm as a malicious distribution mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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://abwplazaview.com/uploads/files/sunixufovogasanewedulu.pdf In PDF document text
- http://www.allatpatikapecs.hu/images/file/73840705852.pdfIn PDF document text
- https://portugaliaimagyarok.com/ckfinder/userfiles/files/pelejixakudiganorifijuk.pdfIn PDF document text
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/d888963ace26787a6f0fec32472db595/komibepefatewijewekus.pdfIn PDF document text
- https://villatoscana-pi.it/userfiles/file/98596334822.pdfIn PDF document text
- http://abwrva.com/uploads/files/salivoxorudixetago.pdfIn PDF document text
- http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a524e71c92e---54995298111.pdfIn PDF document text
- https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/fb0a0c7b09ad9cf0afc66806a348eaed/49599638002.pdfIn PDF document text
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609d1bf633a1e---20808775121.pdfIn PDF document text
- http://benhvientantao.com/img_duhoc/files/sumafatujeluterilafaf.pdfIn PDF document text
- https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/1sloq0at0r3t8rithcqr3mlegr/65852552910.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/0ba4a2cd873b79a758cda68924efc0f2/pamimuzujaxejibafo.pdfIn PDF document text
- http://dush-kz.ru/uploads/fck/file/dakadopexovugi.pdfIn PDF document text
- http://arablift.net/userfiles/file/47647677282.pdfIn PDF document text
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/s4klac85l69u80hpgp7oe3mrmu/musubijipojefazomuxonilak.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d04b9a1a2---mosexusuxagego.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16077335a3470f---towulugorijenofufow.pdfIn PDF document text
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16099a6a21fd0f---dapawuliwo.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16093fedc801b1---zumoxomafitafo.pdfIn PDF document text
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160722abd18ecd---81366038535.pdfIn PDF document text
- https://pharmnet.cz/ckfiles/files/files/16053178296.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3d642948ff---63042256224.pdfIn PDF document text
- http://richmediahouse.com/admin/uploads/file/solujur.pdfIn PDF document text
- http://asianmosaicnyc.com/userfiles/file/nutozesabakidat.pdfIn PDF document text
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/954a2d0303de6e3533e26b94723c9e9b/lasobarage.pdfIn PDF document text
- http://rufullthrottle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e7ce76aec0---xupebanatiwol.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=different+classroom+management+stylesPDF 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_off0000f042.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF042 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010859.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10859 | 10792 bytes |
SHA-256: 7d06be1ce7a9880da083f0ed33171d56a45310ef43a2fa5c3f078b1a99dadaed |
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font_02_sfnt_off0001213b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1213B | 16508 bytes |
SHA-256: a8ead3da77a017fc999d84aaca41050da43068669f7254b76c0fb7514480bc87 |
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