MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file detected as malicious by ClamAV and an ML classifier. It contains a large number of external URIs, many pointing to compromised CMS upload directories and disposable hosting, suggesting a link farm designed to redirect users. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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://oniceh.ru/uplcv?utm_term=cars+2+tamil+dubbed+movie+download+isaimini PDF link annotation
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/v1jkp4jsmagfdq3eu6uss35kut/pojovokojubujadejukitunal.pdfIn PDF document text
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609891b13091c---pidotigiduda.pdfIn PDF document text
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c8bc9c9e881---16162697413.pdfIn PDF document text
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/39fl44krc0u7mparu40okepg39/90447206285.pdfIn PDF document text
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160904e623332b---tipaledufotarakak.pdfIn PDF document text
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/c6d4f0ded026724f0c7ca9458c4200f3/pamalapitogexudulone.pdfIn PDF document text
- https://coevent.ru/upload/files/xutotewujulawolawemuj.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087ed3cab698---23509913659.pdfIn PDF document text
- http://reszke.pl/fckeditor/editor/filemanager/connectors/php/file/76782113528.pdfIn PDF document text
- https://marathonroller.com/userfiles/files/14958942622.pdfIn PDF document text
- http://a-daily.jp/app/webroot/contents_img/files/87662032071.pdfIn PDF document text
- https://radmangroup-ye.com/rgfiles/file/lulodawirav.pdfIn PDF document text
- https://giasutainha24h.com/upload/files/lomikaduladojazovatuli.pdfIn PDF document text
- http://china-miyaco.com/img/file/202161223437.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/crcrsh63cj6j0411p5cq7qfqt0/nopalozanenedelora.pdfIn PDF document text
- https://realestateconnect.biz/wp-content/plugins/super-forms/uploads/php/files/18vs1obr1lr0n7lrq34p99ebd6/94405535799.pdfIn PDF document text
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606ced747cd58---ganibaxapugotarome.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608604878a449---tebedamejipafumotibes.pdfIn PDF document text
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b791b8ffcf---sojusikimurasogegodez.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/ilil3mnfa855vohatsgn7nh993/jexasa.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160800fe34d9f2---20430955322.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/75oh4l8fn3jektjl2lhe34h3u2/gefijapemudunifoxozi.pdfIn PDF document text
- https://agermag.ro/mm/file/88698431961.pdfIn PDF document text
- https://balajihighfields.in/userfiles/file/69932120338.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ea52a1e61e---kimavijel.pdfIn PDF document text
- 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_off00010d28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D28 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001253a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1253A | 18124 bytes |
SHA-256: 48f276311190b04ea0543e29a65e2cedaf8e824e50c516827084be44559fcd80 |
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font_02_sfnt_off000154e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x154E0 | 10952 bytes |
SHA-256: eebda5152c0293e4613a82a5edbb02aaa91ff4ff5358af5693286878287e24a3 |
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