MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as 'Pdf.Phishing.Trojan' and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm, with many URLs pointing to potentially compromised or disposable domains. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure suggests it's designed to redirect users to external, untrusted content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9897
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 http://erfaspot.com/resimler/files/5778258619.pdf In PDF document text
- http://baldonimarcostudio.eu/userfiles/files/77448198551.pdfIn PDF document text
- https://guineaservicesproviders.com/gsp/files/batakoneluferedekejatuvuw.pdfIn PDF document text
- http://kangshi-you.com/uploads/files/202109070417313530.pdfIn PDF document text
- http://xn--hazrdner-r4a10d.com/alisveris/yollanan_resimler/file/58668792011.pdfIn PDF document text
- http://ddaengshop.com/ckupload/files/97571631332.pdfIn PDF document text
- http://garderoba.sk/images/_file/diporizenif.pdfIn PDF document text
- http://taigesw.com/upload/files/sixizukutemum.pdfIn PDF document text
- http://about-dogs.ru/upload/file/33599626817.pdfIn PDF document text
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137a54d22036---19247664247.pdfIn PDF document text
- http://suachuabaoduongmaynenkhi.com/img_quanganh/files/16328403778.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137363788dcc---bofulavawimevosaru.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136518285ca5---zibemutugedufano.pdfIn PDF document text
- http://elcampoeco.org/FCKeditor/file/pabodidakunobomabefutori.pdfIn PDF document text
- https://bda.ch/ckfinder/userfiles/files/17971148901.pdfIn PDF document text
- https://peisheng.org/uploads/ckfiles/files/6134fe8a218f7.pdfIn PDF document text
- http://miydz.com/mingyi/images/userfiles/file/zafoxomuputi.pdfIn PDF document text
- http://sd-admin.fazendapenaazul.com/ckeditor/uploads/files/tibosemutetarekotike.pdfIn PDF document text
- http://cavusofis.com/images_upload/files/67094396024.pdfIn PDF document text
- http://suachuaspa.com/upload/images-content/files/nukozajupukeman.pdfIn PDF document text
- http://zhongjiukeji.com/upload_fck/file/2021-9-9/20210909060429556542.pdfIn PDF document text
- https://medgal.pl/admin/ckfinder/userfiles/files/92018032074.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135e0e3d389a---29677264002.pdfIn PDF document text
- https://rinducm1.com/contents/files/30960979005.pdfIn PDF document text
- http://nokianhakkablue.ru/ckfinder/userfiles/files/zimodupemoraxiwurexabawa.pdfIn PDF document text
- https://www.pepinieres-gey.fr/ckfinder/userfiles/files/48175932108.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=ways+to+spoof+pokemon+goPDF link annotation
- http://www.thaiticketmajor.com/static/imgUpload/files/55844132559.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_off000108b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108B0 | 10660 bytes |
SHA-256: 4b46944177c9bfc103b0ec8666ddc12c1eda0c2e15913bbbf2f27903a561e35e |
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font_01_sfnt_off0001213a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1213A | 18344 bytes |
SHA-256: 441403f251fcc422333dd7bfc8210cea8d6ff7a6605a4adc515da30597a997bc |
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font_02_sfnt_off0001511c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1511C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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