MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS uploads, suggesting a link farm or phishing lure. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports the attack pattern of directing users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9820
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://outspokenholland.com/userfiles/fckFile/20210706003229.pdf In PDF document text
- https://www.tanyadantus.com/wp-content/plugins/super-forms/uploads/php/files/919b0fbdadf855ce232537c2e6d526e2/xukojatuwiduke.pdfIn PDF document text
- http://epmresearch.org/userfiles/files/julomaxidusibesorov.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/8493ddee2f4d9b783833bf4cc04f8256/75045112153.pdfIn PDF document text
- https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/dd815583b0c748abfdd9e113ed477f3b/28336761796.pdfIn PDF document text
- https://excore.hu/ckfinder/userfiles/files/86368424292.pdfIn PDF document text
- http://alibabashipping.com/userfiles/file/badun.pdfIn PDF document text
- https://hkbca.org/UploadFiles/file/20210605004413109.pdfIn PDF document text
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/90ddd00828df05825680bb0685fc875e/579661767.pdfIn PDF document text
- http://andreaslasnik.com/data/files/risiguduvepumazedumurizi.pdfIn PDF document text
- https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/0e26885ebd59b8c6510f50af9a5b12ae/difebezagalaxisezigexi.pdfIn PDF document text
- https://pezenasenchantee.fr/userfiles/file/wajelobejopuxopekilib.pdfIn PDF document text
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0681841902---moxeleriwitigelafijititi.pdfIn PDF document text
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/1608a1517b7582---pufuzusewiwilaterokuf.pdfIn PDF document text
- http://mfcwestenkwartier.nl/beta/userfiles/file/25884275811.pdfIn PDF document text
- https://baptistfriends.org/media/50387737590.pdfIn PDF document text
- http://amandatravel.com/userfiles/file/melekemupadaxeg.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160960af5c1afa---wotow.pdfIn PDF document text
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c942743e6b6---savijililunometuvug.pdfIn PDF document text
- https://sklep-pinokio.pl/web/uploads/files/89595917864.pdfIn PDF document text
- http://chiari-web.com/ckfinder/optimist/files/vapasedomizasad.pdfIn PDF document text
- http://www.niziointerior.pl/upload/file/42148040959.pdfIn PDF document text
- http://anatolianlgs.com/userfiles/file/befav.pdfIn PDF document text
- https://www.aukuras.org/ckfinder/userfiles/files/71249695441.pdfIn PDF document text
- http://pogotowienaukowe.com/Upload/file/vamunamolajiwanobakuzafab.pdfIn PDF document text
- http://maurovalleferroarchitetto.eu/userfiles/files/57037191762.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=successful+algorithmic+trading+pdf+free+downloadPDF 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_off00010f2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F2D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001273f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1273F | 17792 bytes |
SHA-256: 9fddbc0c4948f203f09c9f70b46935ea6ec04b84ba1f39aedd6dc38195a992d7 |
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font_02_sfnt_off000155e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x155E6 | 11328 bytes |
SHA-256: 18a1dd2bc74686e2b94b84310efa15cee858ac813c5d440c10ea222054e46160 |
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