MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites. The ML classifier strongly indicates maliciousness, and the structure suggests a link farm designed to manipulate search engine results or redirect users to malicious content. No scripts were extracted, but the overall pattern of hosting links on compromised sites is a common tactic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/e0aef1nrbilm9inj36hndjad73/49315580040.pdf In PDF document text
- http://parmalab.it/userfiles/files/makexenofimexafa.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/f24d9d9c6924c5daab7e5d8311828916/5202554191.pdfIn PDF document text
- https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081756d21bcf---finofojibewoluboxelu.pdfIn PDF document text
- http://broadmoor79.com/clients/864886/File/gezuvopisefezajobuza.pdfIn PDF document text
- https://fl-forever.com/upfiles/editor/files/daluzegogabinekevi.pdfIn PDF document text
- http://cuspsurgeons.com/userfiles/file/femojubokiwi.pdfIn PDF document text
- http://gtshotel.it/images/file/todalelopitelobarewufeza.pdfIn PDF document text
- http://xn--9p4b29dncp2cc6y.net/upload/fckeditor/file/97189775070.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3cf43ef20---92254301563.pdfIn PDF document text
- http://ggmtc.net/userfiles/files/89042932144.pdfIn PDF document text
- http://asea-admin.com/_userfiles/file/20210804084442.pdfIn PDF document text
- https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b7f08d6dc9e---2864405251.pdfIn PDF document text
- https://livre-d-art.com/ckfinder/userfiles/files/15554035862.pdfIn PDF document text
- https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/88667d1f893de4274f05e1c8f6cc76a6/6339107957.pdfIn PDF document text
- http://casier-a-bouteilles.fr/file/zadukojiximaxigaju.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b159d0b3106---niwuxivutepixexan.pdfIn PDF document text
- http://tourbusan.net/FileData/ckfinder/files/20210722_CF8D17B09552B3B9.pdfIn PDF document text
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/ma34offp4e0vihreoh4ds3acad/15320821101.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a12fd3e8022---jobodonadodidibimeme.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bba10907c9b---tenub.pdfIn PDF document text
- http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e26941bd84---58020357394.pdfIn PDF document text
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/0e0054e94c93e4a2f55dbb4fda4e7c45/tugasabulufewuwazaxeg.pdfIn PDF document text
- https://waelfawzy.com/userfiles/file/In PDF document text
- http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/63214203196.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=tabla+de+distribucion+normal+estandar+acumulada+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_off0000f12b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF12B | 10984 bytes |
SHA-256: 8a402d5ddc456426924e990812c1a095ff08aee8dd328fd6a3228b91821ca63f |
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font_01_sfnt_off00010a6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A6F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012281.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12281 | 18948 bytes |
SHA-256: f36ce070a3654377840abffe2a3836233b11cbe15cf808a942e20171b31c4ef9 |
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