MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, suggesting a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 http://thuonghieutoancau.vn/uploads/files/fawabotetejusipowoli.pdf In PDF document text
- http://ruegen-ferienhaus-schneider.de/userfiles/file/luzawe.pdfIn PDF document text
- http://portsreunion2021.com/clients/b/b1/b1889431de095b9710a1303a3c619afc/File/zesuxego.pdfIn PDF document text
- http://abwrva.com/uploads/files/4157738967.pdfIn PDF document text
- http://www.icareonline.net.au/ckfinder/icare/files/1122194692.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607841d494f11---32477028866.pdfIn PDF document text
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160871f88a5ab5---sawimosiripefe.pdfIn PDF document text
- https://aprilboya.com/userfiles/file/xumuvelovemiviku.pdfIn PDF document text
- http://ccforum.kr/uploads/file/1621241173.pdfIn PDF document text
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16090f288315dd---ledigulinawewanevixinoruw.pdfIn PDF document text
- https://burgas-remonti.com/userfiles/file/jonelovubewumixalu.pdfIn PDF document text
- http://otelm4b.ru/admin/ckfinder/userfiles/files/4639033609.pdfIn PDF document text
- http://anaminfo.com/attachfile/file/zazulurotedizuraz.pdfIn PDF document text
- http://vodova51-53.cz/files/kufokexefuvabeborinonupa.pdfIn PDF document text
- http://mientaytourist.com/uploads/files/jokesusanarif.pdfIn PDF document text
- http://yuhao-tech.com/userfiles/file/9185554659.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aed56334d42---41121262218.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070641bebf39---90521923435.pdfIn PDF document text
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/k180de7iqnim1ncqft8glaar96/75588730334.pdfIn PDF document text
- http://www.klimavill.com//data/editorfile/fovofubajufeku.pdfIn PDF document text
- http://cz-synergy.cz/data/file/5298597762.pdfIn PDF document text
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/dc52ff69069c744695594a779b7c1741/72208763502.pdfIn PDF document text
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ae63292778b08a0a6f90f29f3e5f04b8/16639448111.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=list+of+conjunctions+and+prepositions+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_off0000e93c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE93C | 10752 bytes |
SHA-256: 3efedd08bbfeb1d7b621c57301be0aa7519fb39638b7d809d66c6ef7deafabd3 |
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font_01_sfnt_off00010216.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10216 | 18496 bytes |
SHA-256: 7689664e96ae26126674e31bfcb7ad65a0ff044339efd33be1833eaa34f966b7 |
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font_02_sfnt_off000131a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131A2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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