MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, presenting numerous URLs that point to compromised WordPress sites and other disposable hosting, suggesting a phishing or malware distribution scheme. The presence of multiple external URIs and link farm heuristics strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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 https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/0174604ed497a84d593c1525046b2c62/20555859684.pdf In PDF document text
- https://togeltop.net/contents/files/73273869179.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a93e8ef90e---firudegel.pdfIn PDF document text
- https://barcelonacentremedic.cat/files/galeria/files/nuxofovara.pdfIn PDF document text
- https://grandiosieventinuziali.it/filesUploads/file/93868191063.pdfIn PDF document text
- http://www.verneteco.com/ckfinder/userfiles/files/67136589953.pdfIn PDF document text
- https://mimpisiluman.com/contents/files/12857963693.pdfIn PDF document text
- http://tnslib.tools/userfiles/files/mipabixesado.pdfIn PDF document text
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/f5f8901f480f19679036ab772508d188/tezafuvagazowibasum.pdfIn PDF document text
- http://makesrealsense.com/ckfinder/userfiles/files/polaguzunokuvujakuxo.pdfIn PDF document text
- http://hk-bbc.com/upload/file/9222239145.pdfIn PDF document text
- http://swapnakoodu.com/fck_uploads/file/99848474518.pdfIn PDF document text
- http://educasters.co/ckfinder/userfiles/files/suxugepumomutupomiz.pdfIn PDF document text
- http://videofilm-tv.ru/content/File/goxaripovivorube.pdfIn PDF document text
- https://aarhuskortet.dk/images/file/mokajivebazevuretogu.pdfIn PDF document text
- http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/nutafowulejevamiwetupamip.pdfIn PDF document text
- http://ayrh.internet-match.com/upload/files/60075312912.pdfIn PDF document text
- http://riverside-plaza.com/upload/userfile/files/51390797780.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161359d47bcc3c---72672374565.pdfIn PDF document text
- https://elger.cz/fckphotos/file/mujuxixilofe.pdfIn PDF document text
- http://xenangheli.vn/public/files/jipotosimanixaboregovomev.pdfIn PDF document text
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/qs24v8v6uqsqbcvrr1dm7r5lqf/11989794529.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=android+browser+debugging+toolsPDF 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_off0000c25d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC25D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000da6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA6F | 18012 bytes |
SHA-256: 939df6cdec7d27b058fd3980ba02fc474e7cb064bdefdc29b7afa9a3946aaf55 |
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font_02_sfnt_off000109e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109E7 | 10568 bytes |
SHA-256: 3ba7226cdc9fec6ef11b27414395c34661afd00d42bff00f51ea93de62051432 |
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