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 or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://dazhonghua1688.com/ckfinder/userfiles/files/luwesuxojudunebetuwiz.pdf In PDF document text
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/c66c9bc43682a5b275bf6a99ea7563ad/vudozok.pdfIn PDF document text
- https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/pewiwumuvurakazalewaxo.pdfIn PDF document text
- https://nikunjfoundation.org/ckfinder/userfiles/files/zinonumibubumuto.pdfIn PDF document text
- http://goref.ru/files/file/72801146561.pdfIn PDF document text
- http://gagutp.com/sa_upload/userfiles/file/20210901185058.pdfIn PDF document text
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16133460fb48ba---4354102252.pdfIn PDF document text
- http://9jamail.com/FCKeditor/editor/filemanager/connectors/userfiles/file/85117678583.pdfIn PDF document text
- http://papierplus.pl/userfiles/file/pazefegajevoz.pdfIn PDF document text
- https://foodthings.us/userfiles/file/felodiwuripatanujer.pdfIn PDF document text
- http://masterkontroll.hu/ckfinder/userfiles/files/82995647574.pdfIn PDF document text
- http://www.mostenpo.jp/userfiles/files/91526008170.pdfIn PDF document text
- http://maturitni-ples.eu/UserFiles/File/56431022217.pdfIn PDF document text
- https://alkathirilaw.com/userfiles/files/jikiwidatev.pdfIn PDF document text
- https://tivicom.vn/upload/files/lasapomibajipeneg.pdfIn PDF document text
- http://onsijsselstein.nl/userfiles/files/sufikur.pdfIn PDF document text
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/158bdf012e310b551aadfe566fe8c4d2/81645980605.pdfIn PDF document text
- https://monyetmesum.com/contents/files/nuwikoxofitolimaduzasilak.pdfIn PDF document text
- http://hykylalumni.org/userfiles/jezijemero.pdfIn PDF document text
- http://mwflower.com/upimagesfile///kekokiwomilosejixav.pdfIn PDF document text
- https://tailormade-sales-marketing.com/userfiles/file/79701134678.pdfIn PDF document text
- http://khmim.com/ckfinder/userfiles/files/88929501435.pdfIn PDF document text
- http://letsbelegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vemuzupolojarotenebituroj.pdfIn PDF document text
- http://gsprojekt.eu/userfiles/files/tewokog.pdfIn PDF document text
- http://thechitay.com/uploads/userfiles/file/60272971983.pdfIn PDF document text
- http://obras.ru/sites/default/files/uploads/sadetu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=trainer+legend+mod+apkPDF 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_off0000c29c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC29C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000daae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAAE | 17872 bytes |
SHA-256: 1ee9f21f4b46f889bc3101982ebd8fb9f6c24468fbd51e377e742126de23a696 |
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font_02_sfnt_off00010905.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10905 | 10524 bytes |
SHA-256: f47402335b6b9830233355282cee828c0dbc5ec541bbd21e765540b8df31ba25 |
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