MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm pointing to compromised WordPress upload storage, suggesting an attempt to distribute further malicious content. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://absolut-fit-and-dance.de/wp-content/plugins/super-forms/uploads/php/files/a8k7t3o9g9pd5thachquucttbh/7383013779.pdf In PDF document text
- https://tecnibat.net/uploads/archivos/gaxidigawefinalebe.pdfIn PDF document text
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/000eaece66eee9e548d49f77211c09a4/zikeroweke.pdfIn PDF document text
- http://deltastal.ru/userfiles/file/xegosezofifikowixu.pdfIn PDF document text
- https://alternativecarrepair.com/userfiles/file/rotosogakexix.pdfIn PDF document text
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/1607279d3d60bf---64345403514.pdfIn PDF document text
- https://cfbadalona.net/ckdata/files/duxupezajo.pdfIn PDF document text
- https://jcpcdesign.com/upload/ckfinder_temp/files/20210629072847.pdfIn PDF document text
- http://www.psoealora.es/ckfinder/userfiles/files/wagizivalodebefodugosep.pdfIn PDF document text
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/rql8f21p2ojl9o2q39tcmihn5q/zoragutusuteserubez.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/c8031475b93d101e2512d754334b38aa/74060493659.pdfIn PDF document text
- http://ngor2-3.com/file_media/file_image/file/fanulomofudaxora.pdfIn PDF document text
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/7k8h6cgdpv7hdgf504mlufe4cj/vojakerodagogawazaseg.pdfIn PDF document text
- https://ckmandarin.com/uploads/xexekumopibujadezefe.pdfIn PDF document text
- https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/6fd0ec4fd341b3e750867363cc55c295/zewimex.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/gm344f2ugb6pitq6r6nhrivtee/wuvoxisuko.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a18c51b3db2---fojusam.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/sjdn1lhlusa0g3i29850llhg6f/jomarotovulukozinediwo.pdfIn PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160736a6767283---71349189767.pdfIn PDF document text
- http://tevukasveza.lt/ckfinder/userfiles/files/gilotoguwejabuwanikeso.pdfIn PDF document text
- http://ahxxzx.com/userfiles/202106/file/76684385343.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/f7f6979ec1859c5fa1112d3d62cddb09/86476572270.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+make+persian+blue+colourPDF 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_off0000d9ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9AD | 16632 bytes |
SHA-256: cbe5d59128cf8b2e664853a7dca94a4f1d23568d91a85065d4a09f614c5b6edb |
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font_01_sfnt_off000104ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104AC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011cc3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CC3 | 10944 bytes |
SHA-256: eea5856328b418ad842c7b90a5cf9e1921296fd83d84d1ad29c936ba294f20ab |
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