MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a high number of external links, many pointing to compromised CMS uploads or disposable domains, indicating a link farm designed to redirect users to potentially malicious sites. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent. No scripts were extracted, but the structure and URL patterns are consistent with phishing or malware distribution lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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://pistant.ru/uplcv?utm_term=sonic+after+the+sequel+mobile PDF link annotation
- http://stjconsulting.it/userfiles/files/80986384074.pdfIn PDF document text
- https://eletroluz-al.com/_IMG/img_internas/file/64386699180.pdfIn PDF document text
- http://bensonlandscape.com/editorData/file/nasalowevarinotokuru.pdfIn PDF document text
- https://strings97.hu/userfiles/file/gufawikuju.pdfIn PDF document text
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16131cfdd2d132---25288348157.pdfIn PDF document text
- https://12shio2.com/contents/files/93845635732.pdfIn PDF document text
- http://ansing.nl/userfiles/file/48648605087.pdfIn PDF document text
- https://oasis-travel.ro/files/waxosowafatipukumin.pdfIn PDF document text
- https://szamitogep-szerviz-javitas.hu/ckfinder/userfiles/files/87637469734.pdfIn PDF document text
- http://twfindia.in/userfiles/files/vuladu.pdfIn PDF document text
- http://www.fishandcosolicitors.com/uploads/files/selikubawemegoduris.pdfIn PDF document text
- https://zippy-inc.com/app/webroot/userfiles/files/pupirakazusonivewi.pdfIn PDF document text
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/35a0e73477fa33bd18423c36a0fdc2b0/47196845374.pdfIn PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/161356e8d0b7e5---jotebatirasijovom.pdfIn PDF document text
- http://nbc.com.vn/ckfinder/userfiles/files/jajajuxibivevipunaralonu.pdfIn PDF document text
- http://khamranghaiphong.com/upload/files/kesotowakovulokubuj.pdfIn PDF document text
- http://vhshf.de/File/berugirogenojokitobujodop.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/vatonu.pdfIn PDF document text
- https://llbyggodesign.se/UserFiles/files/riruxolusobawurexapazatuk.pdfIn PDF document text
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613a7d838c5b3---26859436548.pdfIn PDF document text
- http://stimatacasa.eu/userfiles/files/73703757480.pdfIn PDF document text
- http://szkolka-wiercioch.pl/files/file/regefup.pdfIn PDF document text
- http://kamennykoberec.eu/editor_uploads/system/files/70437266026.pdfIn PDF document text
- https://baigiangtoanhoc.com/upload/files/65652280299.pdfIn PDF document text
- 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_off00011e66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E66 | 20844 bytes |
SHA-256: 3d72d417bb149eb84424438720282688cf5b6d333ed342a098748fcc73c3c2fd |
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font_01_sfnt_off0001548a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1548A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00016ca1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16CA1 | 11060 bytes |
SHA-256: 0a82037abfbbc5bcd6b67041941b0bd7caa1272c287c86420dc6b67fdc6caf8c |
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