MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to potentially compromised or disposable hosting. The document body was unreadable, but the presence of numerous external links suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://energiadirect.pl/application/resources/ckfinder/userfiles/files/5952289085.pdf In PDF document text
- http://studiofapas.it/userfiles/files/49814363153.pdfIn PDF document text
- https://bushregenerators.com/userfiles/files/30480506232.pdfIn PDF document text
- https://foodsafebox.com/ckfinder/userfiles/files/budinakitileberup.pdfIn PDF document text
- https://tidymoney.com/ckfinder/userfiles/files/xanexidifilovutojoxe.pdfIn PDF document text
- http://screen.by/images/file/61004904703.pdfIn PDF document text
- http://bebaldebaran.eu/userfiles/files/11332477847.pdfIn PDF document text
- http://9275522-travel.com/userfiles/file/58784017038.pdfIn PDF document text
- http://apex-architect.ru/images/file/31629393595.pdfIn PDF document text
- http://gadkowski.pl/repository/filemanager/file/newokapetikufekun.pdfIn PDF document text
- http://lachina.cn/upload/file/kuneduxojomi.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/16141c9e811222---norivuwu.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e008e1f009---ragenofepilu.pdfIn PDF document text
- https://arichaindia.com/userfiles/file/94791302975.pdfIn PDF document text
- https://angkaindaman.com/contents/files/91327081609.pdfIn PDF document text
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/fs53drdgokl2mt5aqv71e6ghae/dafaro.pdfIn PDF document text
- http://zkmeiqi.com/admin/ckfinder/upfile/files/vamekabosoxilop.pdfIn PDF document text
- http://debandhelder.nl/ckfinder/userfiles/files/mejel.pdfIn PDF document text
- http://etalentlink.com/uploadfile/file///2021090414460712.pdfIn PDF document text
- http://abwingscolley.com/uploads/files/regonojubosowazafopoku.pdfIn PDF document text
- http://avvocato-callegaro.it/public/file/51272037424.pdfIn PDF document text
- http://boston.pl/fck_pliki/file/83252661412.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=android+outlook+applicationPDF 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_off0000af51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF51 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c768.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC768 | 10380 bytes |
SHA-256: 56dcf041ffcd9408aba70b3c6456826e2a7eb86b520beeb54412245cf5687e0b |
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font_02_sfnt_off0000def7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEF7 | 14624 bytes |
SHA-256: f70684c82d523fb4eb053d832983d8ef8f4102ab2bf341d1a19da12d70262394 |
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