MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a ML classifier and ClamAV, flagging it as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised WordPress upload directories. The document body is unreadable, but the presence of numerous links to potentially compromised sites suggests a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9875
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 https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/5tc6fccimtl6n80eulr68n9h43/21698285865.pdf In PDF document text
- http://yuhongzg.com/d/files/26961390861.pdfIn PDF document text
- http://onlinemidias.com/ckfinder/userfiles/files/32330222668.pdfIn PDF document text
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160869dab6ef53---31205532521.pdfIn PDF document text
- http://geyikkimya.com/userfiles/upload/file/tuxaxokuvowigawonamijaka.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210503010856864.pdfIn PDF document text
- http://mtcclassof81.com/clients/0/0a/0a45bd3013a8cc77df817aa526a911b1/File/3138599032.pdfIn PDF document text
- https://pellevah.com/upload/files/pabogijavilanagi.pdfIn PDF document text
- https://motoquadro.de/userfiles/file/67813712101.pdfIn PDF document text
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/f29467d9a0fab408e9b357d075f0153e/22243184051.pdfIn PDF document text
- http://xn--kprq5pvqklteonubj6c.tw/CKEdit/upload/files/4093080405.pdfIn PDF document text
- http://amandamaitland.com/images/file/tasovikivomenabibube.pdfIn PDF document text
- http://puzynowska-kancelaria.com/userfiles/file/fenudakikab.pdfIn PDF document text
- http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/gaduvadumanu.pdfIn PDF document text
- http://kapelski.pl/userfiles/file/88717174987.pdfIn PDF document text
- https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/0dd771f5175fca83eab653a24958e261/xafupurokuludinube.pdfIn PDF document text
- http://goldnumber.info/userfiles/file/8997545616.pdfIn PDF document text
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/81f6b270ed6b8a41166a5bed8cd8115f/17623129940.pdfIn PDF document text
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/phrb4pf1nnlm791jih2eojc3qm/tudam.pdfIn PDF document text
- https://perfecthospitals.org/FCKeditor/file/zituxesobulurorov.pdfIn PDF document text
- https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/40d88ad27459fef9539c89c84b580414/xanegazepozaradojuvosunij.pdfIn PDF document text
- https://sikanderajam.com/Robinson/ckfinder/userfiles/files/42893226144.pdfIn PDF document text
- https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/638f8ee880d92e57b10b6879e28529ea/71345668899.pdfIn PDF document text
- http://obasekiestates.com/UserFiles/file/95403110151.pdfIn PDF document text
- http://peaceinsrilanka.lk/userfiles/file/gebemevemetozujizamu.pdfIn PDF document text
- https://termoformat.md/img/files/69995852487.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=videoscribe+tutorial+pdf+espa%C3%B1olPDF 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_off000120d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120D5 | 18736 bytes |
SHA-256: 577ecd6fa027029314e19e7a881924f0e92bbdb03c5891b1bccbd4c7c60d1629 |
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font_01_sfnt_off00015037.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15037 | 10924 bytes |
SHA-256: e351eb6d28bea1451b2cb4dc849ee1a2724d37efee9a903d5e08d065d7ded856 |
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font_02_sfnt_off00016969.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16969 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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