MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which are hosted on compromised WordPress sites. The ML classifier strongly indicates maliciousness, and the link farm heuristic suggests a deliberate attempt to direct users to potentially harmful content. No scripts were extracted, but the primary attack vector appears to be the distribution of malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9934
Heuristics 5
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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://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/msbg709p102gbafsvjq5on5390/97581344006.pdf In PDF document text
- http://clinicaveterinariamontecchia.com/userfiles/files/vubenusarebex.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5119ec1b89---40614237926.pdfIn PDF document text
- https://lemanssrl.it/file/15262716059.pdfIn PDF document text
- https://die-elke.de/cms/elke_page_files/file/rutubekukego.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160eda41ea7c4c---dezomupezexip.pdfIn PDF document text
- http://teplospectr.ru/images/files/bopagaxotagovuba.pdfIn PDF document text
- http://unixsensor.com/uploads/files/202108310733161278.pdfIn PDF document text
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ac4a7e80241---92733163703.pdfIn PDF document text
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/gddb4nh7cr7jqh3sf81l4pocc2/potobinitokipadajuzeju.pdfIn PDF document text
- http://zonwering-belgie.eu/ckfinder/userfiles/files/94132983864.pdfIn PDF document text
- http://colafranceschi.it/userfiles/files/63234823921.pdfIn PDF document text
- http://ulv-fogger.es/d/files/46539448696.pdfIn PDF document text
- https://organicfertilizerproduction.com/d/files/fanawixof.pdfIn PDF document text
- http://seoulsquare.com/userfiles/file/28444091751.pdfIn PDF document text
- https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/1191dca06db78b9b04dd3dde52257aa7/femarowovabenarip.pdfIn PDF document text
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/529d32a6304b30f1f27e2b2414e51291/dapelawitifi.pdfIn PDF document text
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/161268e0829e5c---tixipareges.pdfIn PDF document text
- http://brooklinehs1964.com/clients/6/6a/6a3559cec3eb17f551da2d864c8c85ab/File/53174101397.pdfIn PDF document text
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16108496e02f05---74957046345.pdfIn PDF document text
- https://steammining.com/userfiles/file/58412773925.pdfIn PDF document text
- http://ytbozhuo.com/upload/file/200446491588.pdfIn PDF document text
- http://studiotecnicodavico.eu/userfiles/files/xinavimoxugamidafol.pdfIn PDF document text
- http://eperon-kochersberg.com/img_db/vejikifobibinovire.pdfIn PDF document text
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2ac3faa3d9---lolitukuturu.pdfIn PDF document text
- http://interreg-ipa-husrb.com/downloads/78714903447.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=how+long+can+a+bat+live+without+waterPDF 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_off0000c658.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC658 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000de6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE6A | 15052 bytes |
SHA-256: 3d60b4f6b8b56166c0bf67d812dc7e0965986f07af6964d64ac541c9d3728c83 |
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font_02_sfnt_off0001045f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1045F | 10724 bytes |
SHA-256: a13f17fc92f1c59090acab118be7cb720f13317c0120f118a822fbd51bdb0371 |
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