MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan threat. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users. While no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of a phishing lure, likely delivered via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
-
ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
-
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.
-
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.
-
External URI info PDF_URIPDF contains an external URL action
-
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.
-
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://papianiarch.it/userfiles/files/23951304573.pdf In PDF document text
- http://xn--o39a91gvwm83kbsn.com/FileData/ckfinder/files/20210622_A8577A32B597122B.pdfIn PDF document text
- https://linhngapt.vn/upload/files/dezuwosogadi.pdfIn PDF document text
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c7aae1248f4---4860925147.pdfIn PDF document text
- https://serini-cloud.pl/uploads/editor/file/sogefuxem.pdfIn PDF document text
- https://ciar.vn/uploads/image/files/renudededufowikozet.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081b7b7653a6---zidolobaguzegatizava.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/dozufosatuxemugafon.pdfIn PDF document text
- https://prana.video/wp-content/plugins/super-forms/uploads/php/files/8itrbkrr9tj67cjc9a88r2vkuu/83800525208.pdfIn PDF document text
- http://veiligheidssloten.nl/ckfinder/userfiles/files/rimiwedoxubilib.pdfIn PDF document text
- https://fiscalonline.eu/app/webroot/files/userfiles/files/30732283555.pdfIn PDF document text
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aa4c27ca2fa---38879949185.pdfIn PDF document text
- http://isagenixmakessense.com/ckfinder/userfiles/files/15211153793.pdfIn PDF document text
- https://mar3ol.com/Files/files/tawamoliwuwol.pdfIn PDF document text
- http://phanphoiongnhuahoasen.vn/upload/files/lujenalebosovuk.pdfIn PDF document text
- https://ariconium.cz/webpagebuilder/ckfinder/userfiles/files/40530883738.pdfIn PDF document text
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612d53ef2fad7---koripukoresiwedatubini.pdfIn PDF document text
- http://tiramisu-o.com/yamituki-n/uploads/files/povabelelagoriwadapaw.pdfIn PDF document text
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/5825aca06bd7928558738c4ae75f2e50/sovix.pdfIn PDF document text
- https://chaplains-camps.org/upload_picture/file/tidelugak.pdfIn PDF document text
- http://kondicionery-ivanteevka.ru/upload_picture/file/zuliziri.pdfIn PDF document text
- https://espritgt.com/userfiles/file/tutot.pdfIn PDF document text
- https://die-elke.de/cms/elke_page_files/file/lavufowu.pdfIn PDF document text
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/pfoi4nbi5221kgn16q6k8esj52/bibuxakitex.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=corrosion+engineering+mars+g+fontana+pdf+free+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_off0000bef4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEF4 | 17092 bytes |
SHA-256: 7a137d0e5a6330ca456232e46a1c1387e8074f882477d7746df1f4c9b80315d9 |
|||
font_01_sfnt_off0000eb2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB2F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
|||
font_02_sfnt_off00010346.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10346 | 10960 bytes |
SHA-256: a11a05a3597d8c5f9d863a51a9c85bdde3f85fbc4b8b6080fb725cef9ad49171 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.