MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document contains numerous external URIs and points to a link farm hosted on compromised CMS uploads and disposable domains, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the nature of the link farm indicate an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://nomylo.ru/uplcv?utm_term=x20+micro+drone+instructions
- http://amadpich.com/userfiles/file/budisufininivor.pdf
- http://ithaca1962.com/clients/41687/File/69921334092.pdf
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080ed63ac5cc---6357670746.pdf
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/72aee53227fc2215de2110a863995915/15121192790.pdf
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606e64abbd1cc---1076766796.pdf
- https://dubaimotorcycletours.com/uploaded_images/files/tomixox.pdf
- https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/4f7af224a71f15e5a07af84943bff292/sunajilas.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608494d1847ee---75268558589.pdf
- http://marketherballize.com/ckfinder/userfiles/files/mivuguxeradufazofog.pdf
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/hpop7qpibtn3aokveeomkn60gq/85623373065.pdf
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/gm78k5a539mc5ebp364j7kpo3a/38174032267.pdf
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/a1866cc7c841b29b7fd5e62f55f1cb6e/55310633908.pdf
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/49adf95b213d19838e7692e2011e47be/93211777124.pdf
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/b0cf4b912086744a468049d64c28fb3d/tezekoxonozusulase.pdf
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d4619c9e82---72352647367.pdf
- http://linkingpeople.info/userfiles/file/dufozimusuxudumedeparim.pdf
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607387da7fdb6---88392486438.pdf
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/7tqt7glbnnidli6toc0338daro/fefet.pdf
- https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/5be00e4cc96f0401ee1b9f26513a2214/5259934853.pdf
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e82d459fea---79689557460.pdf
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608845306f4b6---xamiwobe.pdf
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/1fc383b4da975f39a9153ffa4d8b2b12/vexomekigipuzikiz.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec82.bin95d5ce5b4f60fe9581022040ef7357ff2cba717fa80218fa5728664ba9d1d1a5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC82 | 10672 bytes |
font_01_sfnt_off000104fd.bin8e198f93e58c922280b594dc849e57f6722d007813b1ebb59498aa854c696c8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104FD | 17148 bytes |
font_02_sfnt_off000131c0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131C0 | 16792 bytes |
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