MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document was flagged as malicious by an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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://queure.ru/uplcv?utm_term=photoshop+cartoon+effect+tutorial PDF link annotation
- http://ehomeforeclosure.org/images/file/vevimunopi.pdfIn PDF document text
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/33f9303529f322f43204219f2487667f/liwirivafepisexevujulugu.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/6cd62298435ed89b25e6dcd7b7dde710/61625282844.pdfIn PDF document text
- http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/f90fc80d769227d3a77a4d53e45d5ec2/15396981438.pdfIn PDF document text
- http://angelescare.com/userfiles/file/93012252409.pdfIn PDF document text
- https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/622bdd3376b7ac5b9b014b8e7bde4cef/zewikiribajemitu.pdfIn PDF document text
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082eee1b75bd---vekizupeseweluxej.pdfIn PDF document text
- https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/e149ffd9f5cffde0e6830f145d42a30b/fifokukuzikemosoteli.pdfIn PDF document text
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608ae065a0d2e---30261774076.pdfIn PDF document text
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/8c126dae3726d05c42d1564b700de7f9/38581341985.pdfIn PDF document text
- http://accessiblevehicleservices.com/userfiles/file/60974473341.pdfIn PDF document text
- http://accronline.com/userfiles/file/begebefafawitovufirobo.pdfIn PDF document text
- https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/aljfh1adjrdi9bqed6kakjk0e5/16586447536.pdfIn PDF document text
- https://whiteelephant.co.in/wp-content/plugins/super-forms/uploads/php/files/85b5751acd3dbdf1c6d5901bba9d5fed/70849128747.pdfIn PDF document text
- http://aiswaryamatrimonials.com/fck_uploads/file/nuluxuwoponewoj.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/4472377aba684cca0bc0196c62909460/wifola.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn 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_off0000f3bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3BC | 5104 bytes |
SHA-256: 1e9d05deda8d2e074e39516a398e57f679a5fcccfdc9b863f60dd6f851627a7d |
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font_01_sfnt_off00010511.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10511 | 11072 bytes |
SHA-256: 059e6bd4badf7affdc90db64df975a19ff96ea2e1a4cc22bc2e420a3d816b1e8 |
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font_02_sfnt_off00012b39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B39 | 16204 bytes |
SHA-256: 532315dfdc59b350d447ad91845dd8cc72a836e684f536ab9a4305dc5b53fb8e |
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