MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a link farm on disposable hosting, and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' confirms links to compromised CMS upload storage. This suggests the primary purpose is to redirect users to potentially malicious or SEO-manipulated content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://oniceh.ru/uplcv?utm_term=icd+10+code+for+hip+avascular+necrosis PDF link annotation
- https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/st05h7fcielbl4acgnuohnfs15/28286482436.pdfIn PDF document text
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607735348e18e---11307199988.pdfIn PDF document text
- https://vmwarts.com/ecovic/file/55215403587.pdfIn PDF document text
- http://tachikawa-derma.biz/ckfinder/userfiles/files/89350520764.pdfIn PDF document text
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/65f1be3ae33270f25432be3e32c7485a/dukodup.pdfIn PDF document text
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9dcbf5e2a7---misazovibaruwavipakubizuk.pdfIn PDF document text
- http://cupta.org/userfiles/files/20210612202132.pdfIn PDF document text
- http://douzonebnf.com/upload/file///nilarovusogabepukax.pdfIn PDF document text
- https://seataclighting.com/wp-content/plugins/super-forms/uploads/php/files/6a35d4abea259496c1b0acea574ff20d/daroduzonim.pdfIn PDF document text
- http://copelandreunionla.com/clients/6/66/66f6f3de7053633686652f51c4c00696/File/nifilexod.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/a98482ff90310daa98db06fdded986a1/44839640024.pdfIn PDF document text
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074a9ad066ed---nanagafog.pdfIn PDF document text
- https://a2designbg.com/userfiles/file/talakemexopupotiman.pdfIn PDF document text
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071f2fe4d8c2---pakizuzosuxexabuwetusix.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/4f497a28b0b5246ba2b811cc036a7c28/37011703075.pdfIn PDF document text
- https://www.drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a9bfa5ac3e0---92023976547.pdfIn PDF document text
- http://luberoff.com/userfiles/file/momizogoxuk.pdfIn PDF document text
- https://bakwanudang.com/contents//files/rufafesebed.pdfIn PDF document text
- http://bsa.by/ckfinder/userfiles/files/38925777589.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e0544b9114---91633851289.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609650e319e80---vivivukanuxetafumuw.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607af670cc076---91350086711.pdfIn PDF document text
- http://www.lnk-creation.fr/upload/file/62738002801.pdfIn PDF document text
- http://dragoniresorts.com/userfiles/bejofipatapulikewax.pdfIn PDF document text
- 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_off0000f901.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF901 | 17420 bytes |
SHA-256: 97a4dccd32084a88c5b12302626895b7cfe9670fea4379c0489bc78ff194356e |
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font_01_sfnt_off000126cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126CC | 10912 bytes |
SHA-256: e2bb04e696ed2d1d9625ea749008ede5e1fef0de37386474cde58ec02c45ded6 |
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font_02_sfnt_off00014008.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14008 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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