MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to potentially compromised WordPress sites or disposable hosting, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the presence of numerous external links strongly supports the link farm attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://bscartridge.com/pic/guwigeret.pdf In PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c07a7b00865---126771405.pdfIn PDF document text
- http://assytekservizi.com/userfiles/files/woluxafelu.pdfIn PDF document text
- https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/on127ni6g7ouai2gn2m1cggsl6/94096017627.pdfIn PDF document text
- https://mackbeks.com/files/file/rutiniwapezo.pdfIn PDF document text
- http://zzliuxue.com/upfile/file///najexevejime.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b63956ca89e---32790874416.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/dafifegasugem.pdfIn PDF document text
- https://sieompaysdebray.fr/lesiom/txt/imgadmin/file/pugebelutexilef.pdfIn PDF document text
- https://xistenze.com/files/files/51378860794.pdfIn PDF document text
- http://fobosgrunt.ru/files/ckfinder/files/55591978415.pdfIn PDF document text
- https://planet-pvc.com/upload/files/25236428460.pdfIn PDF document text
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/0594bdff5fa30f4989bc0b5eb2fd77c2/17315792155.pdfIn PDF document text
- https://isabellepieman.com/userfiles/file/65852289828.pdfIn PDF document text
- http://barcabianca.eu/upload/file/zipape.pdfIn PDF document text
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607e191d498d5---28098694107.pdfIn PDF document text
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afb143ab004---7207745028.pdfIn PDF document text
- https://tannhatviet.vn/upload/files/pipigom.pdfIn PDF document text
- http://hb1004.com/userData/board/file/95513082279.pdfIn PDF document text
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160913d882723f---16326037677.pdfIn PDF document text
- https://hoangnhataudio.vn/media/files/89777237510.pdfIn PDF document text
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/13468b6b6079c7c40bd592aadccbd314/razirovebude.pdfIn PDF document text
- https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/81d8340db3e2a4458ce34fd8fde745cc/14441719110.pdfIn PDF document text
- http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/bead021fd46cb119ccc0033c5416b242/99503584409.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=have+yourself+a+merry+little+christmas+satb+sheet+music+pdfPDF 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_off0000f887.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF887 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011099.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11099 | 17660 bytes |
SHA-256: 66504be0925f5d90a0526ff4e2ba7e5bf88f34770326990ae58e17c3386a1072 |
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font_02_sfnt_off00013df2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DF2 | 11192 bytes |
SHA-256: 6b450c5ca9f289010eab616f1c48388d2174c9ce78c4c16971ee8d34544d877f |
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