MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, pointing to numerous compromised WordPress sites hosting other PDF files. This pattern is commonly used to distribute phishing content or further malware stages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/c3808d3b076df8cc272c49f2a70945f9/bivegirone.pdf In PDF document text
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/nj4eon2kpss5kan9fqfkn4isnk/gejomum.pdfIn PDF document text
- http://nct-vn.com/userfiles/file/73032715950.pdfIn PDF document text
- http://feast.to/upd_file/93564469123.pdfIn PDF document text
- http://nhs1968.com/clients/65482/File/5536913579.pdfIn PDF document text
- http://thesprotia.gr/uploads/file/46941405855.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abbc1d0d03d---74814201222.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/2bcf73f766c2b9d682c44e508db1c117/valozaparaxunoli.pdfIn PDF document text
- http://cobbpaynefamilyreunion.com/clients/862770/File/49549385574.pdfIn PDF document text
- https://vpmemorial.net/images/file/36751691897.pdfIn PDF document text
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609917093a20f---mofami.pdfIn PDF document text
- http://mclarenquartz.in/ci/userfiles/files/67566058614.pdfIn PDF document text
- http://fcv-bo.org/data/fcv-bo/userfiles/file/nilaxipifunaluxurobuwoge.pdfIn PDF document text
- http://tcihk.com/userfiles/gubavinasu.pdfIn PDF document text
- http://paoladebenedetti.eu/userfiles/files/62676752892.pdfIn PDF document text
- http://dansensvenner.dk/imagesfile///kozogemigenalonole.pdfIn PDF document text
- https://oilbasaro.com/web/images/ckfinder/files/20210728020641.pdfIn PDF document text
- http://studio-orlandini.com/userfiles/files/tufatisiv.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac84ae4f1b4---65032561245.pdfIn PDF document text
- https://www.acetechnology.co.in/wp-content/plugins/super-forms/uploads/php/files/ctlqpejgkig922p2bab9uv3e8k/45093686217.pdfIn PDF document text
- http://pnc21.com/files/fckeditor/file/1079533425612b90fd19d15.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=micrometro+de+exteriores+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_off0000bc92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC92 | 10564 bytes |
SHA-256: 4f9dae553402b50c16237b4eb257fd680c94312bee5515046daa348208481f39 |
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font_01_sfnt_off0000d4b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4B8 | 18232 bytes |
SHA-256: 981745bea49e143a58a7ede5ecf577f5a2c9eda75b94a01fdd66e23b6f36d5b2 |
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font_02_sfnt_off00010355.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10355 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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