MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains a large number of links pointing to compromised WordPress sites and other domains, indicating it functions as a link farm. The ML classifier strongly flagged this PDF as malicious, and heuristics identified it as a link farm on disposable hosting. The primary purpose appears to be directing users to potentially malicious content on external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9893
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://karpatskiles.ru/store/file/842232612.pdf In PDF document text
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16096cf0876386---tigamaxoxivufetirike.pdfIn PDF document text
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/55606176371.pdfIn PDF document text
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610896a887161---tujixatupavotelulo.pdfIn PDF document text
- https://alihuata.com/userfiles/file/wilavujomomezabukapox.pdfIn PDF document text
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/161058455d94ba---zodutigunurujebu.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/93920654010.pdfIn PDF document text
- http://accessiblevehicleservices.com/userfiles/file/81922020194.pdfIn PDF document text
- https://aventura-agence.lu/userfiles/files/sutozupogaxinosana.pdfIn PDF document text
- https://ezastupitelstvo.sk/editor_uploads/system/files/80896613078.pdfIn PDF document text
- http://amadpich.com/userfiles/file/lajodimip.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072d8e94ddf7---45915844376.pdfIn PDF document text
- http://commsoft.nu/demo/ktb/wsmbilder/files/wapuvifexejixu.pdfIn PDF document text
- https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160db6529b50ee---65215807127.pdfIn PDF document text
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d4c86889a59---muxumafipuma.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d01edc37d30---79585897086.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16123932052a86---weratiraxepidurin.pdfIn PDF document text
- https://atkarisuli.hu/userfiles/file/keterimuwudavafifubixubow.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bdab61969be---gilituzokulorazani.pdfIn PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/c0afc069cc203949f462c1cc09bbb951/wefemufuw.pdfIn PDF document text
- https://at1-turbo-j3t.com/contents//files/wulas.pdfIn PDF document text
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/8eab91a9300937f0e1572a7293fedab8/4738301473.pdfIn PDF document text
- https://samngaimarble.com/html_upload/file/31900194010.pdfIn PDF document text
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610f7115e88c6---dodosigire.pdfIn PDF document text
- http://buyyoutubelikes.com/ci/userfiles/files/2327407147.pdfIn PDF document text
- http://chromowane.com/userfiles/file/numorenepene.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=kaplan+literature+subject+test+pdfPDF 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_off0000bc58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC58 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d46f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD46F | 10856 bytes |
SHA-256: 1e27b49356363700d0aff8b195aeaf2db63eb109546237a5785749446c5bef62 |
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font_02_sfnt_off0000ed5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED5C | 15888 bytes |
SHA-256: 4baa32fafd44a93b9b203de58857ee1c3d8b5f1be0412a969103208f682e7f7c |
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