MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of threat. It contains numerous links pointing to compromised CMS upload storage and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of urgency language further supports a phishing or social engineering attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://limuzine.md/userfiles/file/88859261733.pdf In PDF document text
- https://home-consult.lu/userfiles/files/90474099101.pdfIn PDF document text
- https://aduanaldelvalle.com/userfiles/file/25952149313.pdfIn PDF document text
- http://dui-antidote.com/images/userfiles/file/wakijifapemusexoj.pdfIn PDF document text
- http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/u973i2b0hqq85n03kdonkg032p/31226371565.pdfIn PDF document text
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/c98d377464f192ac982a1949a3ba8ce7/35261348073.pdfIn PDF document text
- http://learnersdigest.org/userfiles/file/kefoto.pdfIn PDF document text
- http://santeh.md/img/files/ziribij.pdfIn PDF document text
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c03e4a95d29---lifinikoruraxetuzolo.pdfIn PDF document text
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/cpc2bp3sb94opsgm5fdmru2v15/ziludewiruvojo.pdfIn PDF document text
- https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/ctu0m68vum5v0npjime297s3k6/tiridesekarijojokipite.pdfIn PDF document text
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a7cfa930b33---43955779452.pdfIn PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8779779d4e---gibuxaweserukin.pdfIn PDF document text
- https://lacecinella.com/writable/public/userfiles/file/91152326069.pdfIn PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/j08ptje9o7bael8l4nrrq28icu/26632146383.pdfIn PDF document text
- https://autotrans911.com/thread/admin/uploads/file/97316361997.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16094183167e85---jifer.pdfIn PDF document text
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089217f270c7---rikifobaveworisodax.pdfIn PDF document text
- http://shsclassof1959.com/clients/a/a7/a7a82b2a6025f7fafce5d77be70bf845/File/33877253088.pdfIn PDF document text
- https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/e45cbf95ec5337812d0a56890d42d581/fopolijaruwuxepexupozuxup.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/tufapodekulajaxak.pdfIn PDF document text
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607007e97a56e---zuxodakexefawavodig.pdfIn PDF document text
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160968c479ade2---69518397351.pdfIn PDF document text
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160db3f207ae95---35104244594.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=100+trivia+questions+and+answersPDF 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_off0000e6aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6AA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000febc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEBC | 17476 bytes |
SHA-256: 16fabf606dfe1b725fbb0601e12bb4d6ca52a2dcd7926e91b5895c187ee74f63 |
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font_02_sfnt_off00012c41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C41 | 10668 bytes |
SHA-256: b1ff0791e232ac6f2ae640242024dcf6362506089930eca8b506ffa395051e16 |
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