MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is a PDF identified as malicious by ML classifiers and ClamAV. It contains numerous embedded URLs, many of which point to compromised WordPress sites, indicating a link farm designed to redirect users to potentially malicious content. The presence of these links suggests an attempt to lure users to phishing sites or download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9959
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://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160a75b1bd2170---jimajazazewa.pdf In PDF document text
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/c5dd58ggcqlodu8v9i8i8fe757/tifufukizezogoposesinu.pdfIn PDF document text
- https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/967621437b46e0052baf6ca352771383/biges.pdfIn PDF document text
- http://bangtutrang.com/upload/files/8538486646.pdfIn PDF document text
- http://dietetyka-24.pl/images/files/kewiluwasusixabodipagerix.pdfIn PDF document text
- http://mosjob.ru/images/file/zisazafokukuziduradile.pdfIn PDF document text
- http://suamayin.biz/userfiles/file/11012163409.pdfIn PDF document text
- https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/08403dc01e7572f25e92f301b98a662f/bovaguja.pdfIn PDF document text
- http://kevinmcallisterlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/63668311968.pdfIn PDF document text
- https://alkalacarservice.com/public_html/userfiles/file/rujaridipipivewoj.pdfIn PDF document text
- http://rajhansnursery.com/userfiles/file/68740877951.pdfIn PDF document text
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a09d8e1c1d4---54839794099.pdfIn PDF document text
- http://fluitec.fr/ressource/site-image/files/wazalodejasubabu.pdfIn PDF document text
- http://klimagra.pl/images/wysiwyg_img/file/xudidinumafunek.pdfIn PDF document text
- http://www.w.radeton.cz/ckfinder/userfiles/files/82344318684.pdfIn PDF document text
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ca29882158---99992204047.pdfIn PDF document text
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/1cbd8fbbfb8da75538828ea1a5fb3548/lufidewojutupar.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/btkfqaev02ojapu76hvk4k3842/ribatonozusitawozafejipoz.pdfIn PDF document text
- https://marosme.ro/hirek/file/zakibebeditowatunefata.pdfIn PDF document text
- http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a645de03cf---45168099937.pdfIn PDF document text
- https://a-pointpro.com/cms/ckfinder/userfiles/files/41943196707.pdfIn PDF document text
- https://grandplaza.bg/uploads/assets/file/53724058494.pdfIn PDF document text
- http://dobryremont.pl/ebobas/portal/app/webroot/img/tmp/file/1626840283621.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=the+odyssey+homeric+similes+worksheet+answer+keyPDF 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_off00020d4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x20D4C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0002255e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2255E | 16664 bytes |
SHA-256: fe39f55ea14aa1869f870331125781cfa4a213f5d0ac000df06b836f846a5499 |
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font_02_sfnt_off000250a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x250A1 | 10888 bytes |
SHA-256: d7ae567406af613154316746a245168053f54fde8c2b9d34f475c526001df49f |
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