MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support its malicious nature. The presence of multiple compromised CMS upload links suggests a tactic to host malicious files on seemingly legitimate but compromised infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://www.euro-fly.eu/userfiles/files/80861514892.pdf In PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a04188d65af---birajudaku.pdfIn PDF document text
- http://xaydungphongphu.com/uploads/files/75084784187.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611e2ac0e1b52---68820837174.pdfIn PDF document text
- http://remobudostol.pl/pliki/lolulalibixekuv.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b64f1be896a---85393851976.pdfIn PDF document text
- http://ipea.kr/userData/board/file/69636955661.pdfIn PDF document text
- http://smclassof57.org/clients/34860/File/xiladizuxefa.pdfIn PDF document text
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/05jb37kk31a9s6vq063pui9mq6/mitedalivelogimumivurev.pdfIn PDF document text
- https://store-connector.com/_upload_bilder/_filemanager/file/rudatiwekoxodix.pdfIn PDF document text
- http://www.santamyoga.be/images/file/22271803946.pdfIn PDF document text
- http://harryreichert.de/uploaded_pics/News/file/tolafigu.pdfIn PDF document text
- http://libertyquad72.fr/userfiles/file/tafovakura.pdfIn PDF document text
- http://4bx.pl/public/file/75015749027.pdfIn PDF document text
- https://c4ir.ae/wp-content/plugins/super-forms/uploads/php/files/0k419uc64onlpk7u8636um5l81/wezuwixujakefebexege.pdfIn PDF document text
- https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/cb58672490e0cd116023a2cc90e9f650/18073147117.pdfIn PDF document text
- http://tvtamminhphat.com/uploads/userfiles/file/39553309024.pdfIn PDF document text
- http://rauvuonsach.com/images/uploads/files/49018443282.pdfIn PDF document text
- http://insureavisitor.com/userfiles/file/59002948655.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c59c0d021bb---20892379768.pdfIn PDF document text
- http://casaalu.com/luutru/files/mejazutuz.pdfIn PDF document text
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/8851b053c81f9def4f242a29ac89aa55/nodaliruxovazu.pdfIn PDF document text
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/81a1e8ebc3835ea6712d12e022a7d353/pirivifukumav.pdfIn PDF document text
- https://przygodanaukrainie.pl/admin/ckfinder/userfiles/files/gupumofuled.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=basic+science+and+engineering+notes+pdf+downloadPDF 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_off0000e261.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE261 | 18712 bytes |
SHA-256: 7427acb39a9dc0847b6421c5c581ffa42cdecac0b836196d67c0c2d239bf8219 |
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font_01_sfnt_off000113af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113AF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012bc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BC6 | 10936 bytes |
SHA-256: 6dbdbef666abba26edc7335e2b2dad99b4a31065dba835f29a28936e3935a55f |
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