MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of multiple external URIs and link farm heuristics strongly indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://euroquimicadistribucion.com/zabaleta/data/imagenes_contenidos/file/dusufujani.pdf In PDF document text
- http://dgjst.com/upfile/file/razeme.pdfIn PDF document text
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161319f5c74f91---65027620224.pdfIn PDF document text
- http://tcihk.com/userfiles/nagixugoriwuwenufoz.pdfIn PDF document text
- https://buffinvestment.com/upload/ckfinder/files/46439339770.pdfIn PDF document text
- http://turystyka.powiatlubartowski.pl/admin/ckfinder/userfiles/files/wematotenudemurepof.pdfIn PDF document text
- https://drticket.ir/basefile/drtiketcom/files/84118165445.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/161435f7a212e7---91383838263.pdfIn PDF document text
- https://infiniteprospects.com/FCKeditor/file/81471176587.pdfIn PDF document text
- http://ser-buk.com/userfiles/file/keladazajozusevumevek.pdfIn PDF document text
- http://stauarchitetti.eu/userfiles/files/vesam.pdfIn PDF document text
- https://nexapos.com/upload/files/zodutinejamoga.pdfIn PDF document text
- http://thaisomboonautopart.com/userfiles/files/fesenivusi.pdfIn PDF document text
- http://smolninskayahotel.com/userfiles/file/75066543189.pdfIn PDF document text
- http://mlsy.cz/images/file/files/pufunubirezoliza.pdfIn PDF document text
- https://ijfbacknumber.com/editor_up/femipejovenananuju.pdfIn PDF document text
- http://sevgineslianaokulu.com/ckfinder/core/connector/php/uploads/files/56818397952.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/161403d8d7c4f8---jijenefakav.pdfIn PDF document text
- http://www.pattyn360.com/upload/forum/files/nunujawufevojewuseba.pdfIn PDF document text
- http://nobody-films.com/bpms/includes/fckeditor_uploads/userfiles/file/48792768360.pdfIn PDF document text
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/8aeb32518d802afb861515da04436939/mapiv.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614099b2858cb---jirus.pdfIn PDF document text
- http://kco.su/userfiles/file/60325197887.pdfIn PDF document text
- https://www.hotel-restaurant-plainfaing.fr/ckfinder/userfiles/files/jorixoma.pdfIn PDF document text
- http://hondaototanan.com/upload/files/80124987795.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=how+to+get+v+bucks+on+mobilePDF 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_off0000d882.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD882 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f094.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF094 | 17524 bytes |
SHA-256: 6e419267dc58a845c7d2ea9b49a336316ff129cfcc3bf34f67334a8bcf503897 |
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font_02_sfnt_off00011e7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E7E | 10788 bytes |
SHA-256: b4dc0b94779a23911a644cb2c844f50c101bd8401973125f7d509e0786c1adcb |
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