MALICIOUS
164
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, specifically as a phishing trojan. It contains a link farm with numerous URLs pointing to compromised WordPress sites, likely serving as a lure to download further malicious content. The presence of a 'download button' heuristic further supports the phishing pretext.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://q-web.ro/wp-content/plugins/super-forms/uploads/php/files/81nhch34b7j5fsdtq8k509g3on/59545319603.pdf In PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607b70a2b8477---65783797379.pdfIn PDF document text
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/189bb7348947e998fb79b134efab3fe3/xufobenozifixubimilisas.pdfIn PDF document text
- https://keongracun.org/contents//files/badaxedewatadiridomubod.pdfIn PDF document text
- https://medgarlci.com/wp-content/plugins/super-forms/uploads/php/files/ff4b3fc0c5c49574b2a4d5204b87c408/nikedutesel.pdfIn PDF document text
- https://apz-arte.com/ckfinder/userfiles/files/juragipuguxoxeraj.pdfIn PDF document text
- https://beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/4a0e838fe7151c9c8b6499333987c218/mapope.pdfIn PDF document text
- http://www.aqsclimited.com/EditorImages/file/wafifimu.pdfIn PDF document text
- http://techsystem.gr/data/uploads/ckeditor/files/desurigowofomejujogif.pdfIn PDF document text
- https://pablohernandes.com/wp-content/plugins/super-forms/uploads/php/files/2c3113854a427ebf5b148f75c1011746/lenuruxogojizejidazu.pdfIn PDF document text
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de5e297d24b---51263356071.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/kajifatojupelojuxaje.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/160b291e79fec4---65165769228.pdfIn PDF document text
- https://nguyenvanhuongloc.vn/app/webroot/files/images/pages/files/vozesuvuzuvipatukagula.pdfIn PDF document text
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/f4aeec6a464218c3f7fe8f8706341209/tutowugarelomeziviworilif.pdfIn PDF document text
- https://stratasphere.online/userfiles/file/xifefopafanaf.pdfIn PDF document text
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/ph0q4nvirvqfijesq6jed2u2i6/52825760267.pdfIn PDF document text
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f416a94e64---duvatekupidamukawo.pdfIn PDF document text
- http://21cedu.com/pds/userfiles/files/dokemojome.pdfIn PDF document text
- http://kojeneckezbozi.eu/userfiles/file/wajenebi.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/kuwarivopumabadugenelim.pdfIn PDF document text
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/5a3439576ac7b0747c398b4815088cb1/41289841633.pdfIn PDF document text
- https://altinhediyeler.com/calisma2/files/uploads/94698975835.pdfIn PDF document text
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16079d5fb79271---13021592561.pdfIn PDF document text
- http://nfrostov.ru/upload/files/fufusogebabonukukatoxax.pdfIn PDF document text
- https://eslms.com/userfiles/file/dibezo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=last+day+on+earth+survival+hack+moneyPDF 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_off0000f92d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF92D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001113f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1113F | 18336 bytes |
SHA-256: 07e450d05533d15f32c09d86c758e2ee307361af9ea2428be780035d8b116839 |
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font_02_sfnt_off00014043.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14043 | 10964 bytes |
SHA-256: 11b3851a0429d912534245bbe17d9475d7d5dc7ec04070a4f6c14ba251f068ac |
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