MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many pointing to compromised CMS upload directories or disposable hosting, indicative of a link farm. The ML classifier strongly flagged this PDF as malicious, suggesting it is part of a campaign to distribute further malicious content or manipulate search engine results. No scripts were extracted, limiting the analysis of direct execution vectors.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 http://architettoannalisatinelli.it/userfiles/files/5783656884.pdf In PDF document text
- http://pokemom2.com/uploads/files/76871316438.pdfIn PDF document text
- http://77owship.netsociality.com/upload/files/nenazivufibavobopitabod.pdfIn PDF document text
- https://srsatta.com/ckfinder/userfiles/files/rakogatefabine.pdfIn PDF document text
- http://tvtamminhphat.com/uploads/userfiles/file/zabun.pdfIn PDF document text
- http://seattlebestteriyaki.com/uploads/files/37857089614.pdfIn PDF document text
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d6693a86c9e7eaa9515c4314dc99c918/23513931814.pdfIn PDF document text
- https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614e56c363813---15798811853.pdfIn PDF document text
- https://laatjehuisweerstralen.nl/upload/file/nuzeni.pdfIn PDF document text
- https://matricula.hssanesteban.cl/files/xuselupifebolitideme.pdfIn PDF document text
- http://chataphan.com/file_media/file_image/file/xixujepovibito.pdfIn PDF document text
- http://kimbuunguyen.com/uploads/userfiles/file/99351814983.pdfIn PDF document text
- https://apexsafetyproducts.com/ckfinder/userfiles/files/37121666442.pdfIn PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/161660188ee4d7---furunanizid.pdfIn PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/1615668975f8a4---vanagovumunonigonezugajuw.pdfIn PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/16167d01ae8744---91174393164.pdfIn PDF document text
- http://headrepublic.pl/images/files/kasitonozefadodowexutikip.pdfIn PDF document text
- http://webinaris.net/ckfinder/userfiles/publics/files/vefatokozuwugonopanoveb.pdfIn PDF document text
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/16165517dda8dc---21273590451.pdfIn PDF document text
- http://istvietnam.com/rich_editor/file/jigokijimixopogomitazonil.pdfIn PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/16168bdaf007f7---mujatuxozematimovejolaw.pdfIn PDF document text
- http://360global.ca/userfiles/file/voranabelav.pdfIn PDF document text
- http://hoteldazegliotorino.com/userfiles/files/junote.pdfIn PDF document text
- http://feedproxy.google.com/~r/Xvkpad/~3/UsNeCLCzgYg/uplcv?utm_term=i+just+want+to+be+close+to+you+lyricsPDF 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_off0000c4e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4E1 | 15732 bytes |
SHA-256: 6f5a65f84657972d8fe59f9acd300f7cae662c2d4e37880e7748b97a35b612f8 |
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font_01_sfnt_off0000ed58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED58 | 10744 bytes |
SHA-256: d46c3e92f4b87d75964f3200f64a55f8046da4793d9166315a66040693b6ac8c |
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font_02_sfnt_off00010640.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10640 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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