MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to compromised WordPress sites and disposable hosting, suggesting a link farm or phishing lure. The PDF structure itself appears to be a link farm, directing users to potentially malicious external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://micast.de/wp-content/plugins/super-forms/uploads/php/files/qtr6cuu6k3htbc5cdgho3q1up5/karusizarikomoj.pdf In PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/5517a66699752f570664ff56d3037f55/84162382724.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094360c0748d---51034063466.pdfIn PDF document text
- https://mcq-exambd.com/app/webroot/ckfinder/userfiles/files/651160850.pdfIn PDF document text
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f541fdecfe---15540173004.pdfIn PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609cfe5520c79---25577393415.pdfIn PDF document text
- https://diedacorporation.net/freesiafiles/file/tukis.pdfIn PDF document text
- https://www.ppmcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/07cqea633v83n66r6j8lqckpbq/48491775320.pdfIn PDF document text
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/614aa135a180672dc056d1155bc75019/sipurogubasubemomiduzasuf.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c091de938bd---serizutunadi.pdfIn PDF document text
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/0pf5keiou3d8b4rrpvo5ajqaru/4665407016.pdfIn PDF document text
- http://www.haztartasigepszakuzlet.hu/pics/file/modoxanolavod.pdfIn PDF document text
- http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202106230914265619.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16074b56a5a77b---nararub.pdfIn PDF document text
- http://zussobrance.sk/grafika/dokumenty/51182158517.pdfIn PDF document text
- http://orhs89reunion.com/clients/77823/File/49720160843.pdfIn PDF document text
- http://aqbnb.com/uploadfile/file/10565948823.pdfIn PDF document text
- https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/q15e00q3i5ii818qigtmhh5fqu/vumifexibugetikuvozura.pdfIn PDF document text
- http://biosite.ru/images/news/file/55356240822.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608d73c3887ba---namojuzojolaz.pdfIn PDF document text
- http://southfieldhigh1973.com/clients/2/27/27a5067865c8334ad4a5a1fd7642c928/File/mezoge.pdfIn PDF document text
- http://superpart.com/files/nofizokedazaleropu.pdfIn PDF document text
- https://alixdemassy.fr/userfiles/file/35725115261.pdfIn PDF document text
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/147e66de2df9a2f4be3067b09cf51f75/99198361544.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=how+to+install+battery+in+ihome+travel+mousePDF 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_off0000d614.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD614 | 17696 bytes |
SHA-256: 934985bd039cdef8dc7cf495e308b693e2a7a8145dbb94ef68b42a8064dc92f4 |
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font_01_sfnt_off000104c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104C9 | 10868 bytes |
SHA-256: ee5efeafe5e5b8a4416193c2cf0b58f20d9e632bbaa419a4a09860d17a02d871 |
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font_02_sfnt_off00011dc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DC7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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