MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm designed to redirect users to malicious content. The presence of multiple external URIs and link farm heuristics indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
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://volkshilfe-vlbg.at/images/content/files/zigugowiwuwefirapezos.pdf In PDF document text
- https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/f2j0pjtgpvbka45mcv2as4hm2f/bepajupo.pdfIn PDF document text
- https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/087282106d3d50c1ccd1614b83b6ab24/titexuzokifi.pdfIn PDF document text
- https://hitourkorea.com/FileData/ckfinder/files/20210616_9D468A2D3FA4252A.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/of55qmji5b6b6thso92pghk7d2/selusid.pdfIn PDF document text
- http://b-solutions.net/userfiles/file/solesuworijomumi.pdfIn PDF document text
- https://ukdirectremovals.com/wp-content/plugins/super-forms/uploads/php/files/c38585311042ae4f417ce8ad2fc89895/duvenesanawebax.pdfIn PDF document text
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/a9047b80ff57d2a4f66a0d32ecb327fe/9985948396.pdfIn PDF document text
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb4d3c0e3c0---7032637975.pdfIn PDF document text
- http://curry-box-deluxe.de/userfiles/file/mutolexodepatisev.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160a1fddbebc36---8019800748.pdfIn PDF document text
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/fcec2bf731a70107469db224b60c9abb/93122678312.pdfIn PDF document text
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1612b7d4ecf475---winugogunifaze.pdfIn PDF document text
- http://2446665a.ru/ckfinder/userfiles/files/niguzotilevobilafofum.pdfIn PDF document text
- http://scheiden-maassluis.nl/uploads//file/61261796758.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16076ea405cbde---damegajovozased.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16088e90703bb0---1409135067.pdfIn PDF document text
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/74f1d9d3a7abb0ef6f81055669b82cb9/sagapavajileziwedesol.pdfIn PDF document text
- https://catwalkdogcome.com/editor_upload_image/file/xovofovujixenabo.pdfIn PDF document text
- https://natyabio.com/uploadfiles/1712378282.pdfIn PDF document text
- https://yssnewlessons.org/UserFilesTwo/file/wuwimesudapegukas.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e400be173b---luvos.pdfIn PDF document text
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/bcff8ac29b04b2eedd4a410f1d782d27/45264116305.pdfIn PDF document text
- https://alternatifhosting.com/calisma2/files/uploads/perawinulilupixi.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607da21bd5cce---91412007994.pdfIn PDF document text
- http://adirondackseafood.com/ckfinder/userfiles/files/tebeperexoxajenonapaze.pdfIn PDF document text
- http://beastyenergy.com/userfiles/file/letabalapirilusinoz.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=information+technology+clipartPDF 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_off0000f39c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF39C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010bae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BAE | 17668 bytes |
SHA-256: 14a3145fa42ce738566fe354750038cd5e8024673d2a2acca3e3db6a333ee20d |
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font_02_sfnt_off00013951.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13951 | 10824 bytes |
SHA-256: 5c16b15675886d15c22e6361f89154cd7abae41c052bcab0d5b30e3b3d534820 |
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