MALICIOUS
116
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF document that impersonates a cloud file-sharing service, likely to lure the user into downloading and opening it. The document contains a link farm pointing to numerous disposable domains, many of which are hosted on compromised WordPress sites. The ML classifier strongly indicates maliciousness, and the overall structure suggests a phishing or redirection campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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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Cloud document impersonation lure medium SE_CLOUD_DOC_LUREDocument impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
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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://accomplishtheimpossible.com/userfiles_ati/file/peludesamuzudufisitajax.pdf
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c628a43194---xolofavevupavipelatavif.pdf
- http://scarpatti.com/files/88204052736.pdf
- https://prestinireedcorp.com/userfiles/files/gijunilonuvizavovi.pdf
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/d1e49ec3a6901f5aa94285e2c40444c9/83642092631.pdf
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16095c6aacd2f1---soxaponumobumiris.pdf
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a8934518862---kadabozolabatixuwev.pdf
- http://theettiaresottawa.org/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/15853966554.pdf
- http://richmore.kr/uploadfile/fckeditor/file/sivowepaxarevegoraranake.pdf
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/06682241a8551c36c079b65126f99b1e/rigozeb.pdf
- https://lexcyberia.com/userfiles/files/jexekaku.pdf
- http://adabaskimerkezi.com/upload/file/rolulidabutoforur.pdf
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/fff3798419b7281e4db58e684f25a9a9/kuvifepeletewuzaviregutap.pdf
- https://nexusmediation.nl/files/14445799375.pdf
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084f69dd97be---95622185728.pdf
- http://crystaltrade.hu/data/file/39240296731.pdf
- https://bistakalikotenetwork.com/userfiles/file/40504868362.pdf
- https://cbconsulting112.ca/userfiles/files/xurupevudov.pdf
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/55b94f258d80edb73cfba73a81bb54ef/vuzarit.pdf
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16079bb9c5e688---39215415082.pdf
- https://homestayhoian.vn/uploads/image/files/16543571893.pdf
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adc39220f0c---12224910636.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=how+to+open+ipynb+files+in+spyder
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e9e6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9E6 | 16792 bytes |
font_01_sfnt_off000101fd.bin0aa5bed135f43b8e04a4b1780a2300c50f7699abfade8f1a8c346d15f95b6f1c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101FD | 10660 bytes |
font_02_sfnt_off00011a4e.bin4ff6e9ac427ee68ba0ce2342e9f3131ddfb3a474bf0c645c6aa214c97d2e03df |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A4E | 18096 bytes |
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