MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm directing to numerous URLs, many of which are hosted on compromised CMS platforms or disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or trojan delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://uralcomservis.ru/crn_fls/crn_files/70297620274.pdf In PDF document text
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/8f0c84d901c2b44e631cb61385c8843f/33394767523.pdfIn PDF document text
- http://ksklinika.ru/ckfinder/userfiles/files/tetuzepekasitekej.pdfIn PDF document text
- http://kimhoatra.vn/upload/fckimagesfile/temujoxalajidufipawalun.pdfIn PDF document text
- https://rajakedua.com/contents/files/nodaremibajukud.pdfIn PDF document text
- https://ladulceseguros.ar/noticias/fckeditor/file/givuz.pdfIn PDF document text
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/161445e6f3976d---mezawekot.pdfIn PDF document text
- http://laptopcuhaiphong.vn/upload/files/8408061525.pdfIn PDF document text
- http://haozuowenwang.com/imagefiles/file/wiwenusol.pdfIn PDF document text
- http://fjzy18.com/image/uload/files/vekitipobijiguraneletana.pdfIn PDF document text
- https://paroles-vives.com/ckfinder/userfiles/files/butasibikoj.pdfIn PDF document text
- http://760_709737661.mildmedia-dev.eu/uploads/userfiles/files/pezidisopose.pdfIn PDF document text
- http://design-klasse.de/ckfinder/userfiles/files/27365521549.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/161386d1ac9234---77816148166.pdfIn PDF document text
- http://nigerseedindia.com/uploads/18269922496.pdfIn PDF document text
- http://rococosofa.com/files/files/timifaxovewanuv.pdfIn PDF document text
- http://studiosaletta.it/userfiles/files/zijuw.pdfIn PDF document text
- http://transgusto.ch/userfiles/file/42621457759.pdfIn PDF document text
- https://actorconseil.com/files/file/nevuw.pdfIn PDF document text
- http://palmdale.thepokeluau.com/uploads/files/73945960919.pdfIn PDF document text
- https://mimpishio2bet.net/contents/files/wuxafudefodozafekofejezog.pdfIn PDF document text
- http://shopcloud.cloud/ckfinder/userfiles/files/35385724808.pdfIn PDF document text
- http://branonperformance.com/ckfinder/userfiles/files/42041848893.pdfIn PDF document text
- http://vivaldiskibus.com/FileData/ckfinder/files/20210916_9855561469F8BCDA.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=multiplayer+video+game+top+10+android+gamesPDF 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_off0000ee3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE3D | 17584 bytes |
SHA-256: b5e70f0aa334d15b774f16ac00c8d7a64e7a5165ec82fb343c46a974ee0e22ad |
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font_01_sfnt_off00011ba6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BA6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000133bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133BD | 11180 bytes |
SHA-256: 2d983fcd689427f7f7fa1b6e857dd46e7914904e4828f29e48db46bf7d52ce22 |
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