MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by multiple heuristics as a link farm pointing to compromised or disposable hosting, and ML classifiers indicated a high probability of maliciousness. The ClamAV detection 'Pdf.Phishing.Trojan' further supports a phishing or trojan distribution intent. The document's structure and numerous external links suggest it is designed to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://hangnhatbanonline.com/upload/files/39382003240.pdf In PDF document text
- http://originalbau.hu/imagesfiles/15034672422.pdfIn PDF document text
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16140186c7cce0---17158735251.pdfIn PDF document text
- http://bakersfield.thepokeluau.com/uploads/files/49704085029.pdfIn PDF document text
- http://rotarybrescello.it/userfiles/files/zobejufopolixilajobusor.pdfIn PDF document text
- https://phatgiaolongan.com/upload/ckupload/files/nujadaribudezuker.pdfIn PDF document text
- http://sushi-belovo.ru/files/nojusasavawarik.pdfIn PDF document text
- https://dcmheavyequipment.com/admin/images/file/88937309715.pdfIn PDF document text
- https://netiko.ge/img/Data/file/xegedadalukipitujidif.pdfIn PDF document text
- http://www.libroparlatolions.it/backoffice/ckfinder/userfiles/files/sevodivubo.pdfIn PDF document text
- http://nieruchomosciklodzko.pl/files/file/79017257037.pdfIn PDF document text
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fce5eba893---fonedewejad.pdfIn PDF document text
- http://isdoor.ru/uploads/files/zetomofebafozaso.pdfIn PDF document text
- http://antonio-pelella.eu/userfiles/files/65197974717.pdfIn PDF document text
- http://diamant-x.sk/UserFiles/file/50839934708.pdfIn PDF document text
- http://rydelko.pl/userfiles/file/lavonidejajapa.pdfIn PDF document text
- http://fapannimario.it/userfiles/files/gajadunojatubalobi.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16138c9b5941bf---jumuxugam.pdfIn PDF document text
- http://kimhoatra.vn/upload/fckimagesfile/37946934396.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/8aaafa8a146b597f7d859f7818955f8e/povaxinipuziladumikigituv.pdfIn PDF document text
- http://stellarp.com/userfiles/files/35706345447.pdfIn PDF document text
- https://eminencesolutions.in/resources/userfiles/file/kagejikupizuduf.pdfIn PDF document text
- https://vietnam-pump.com/userfiles/file/33115145008.pdfIn PDF document text
- https://cylinder96.ru/admin/ckfinder/userfiles/files/lonab.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=bras+and+feminismPDF 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_off0000e6bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6BD | 17348 bytes |
SHA-256: 888d6cb83af8548c193d8297359bed8eb2c2ce7aa6b9fe6adc73e73a5c932a1c |
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font_01_sfnt_off0001134a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1134A | 10304 bytes |
SHA-256: 7120de9f6ee5b40f24f332c1b20b30c5dab96c47f15cb6b1c6ab3139ac2963cc |
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font_02_sfnt_off00012a70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A70 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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