MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many pointing to compromised or disposable domains, indicating a link farm or SEO poisoning attempt. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were extracted, the structure and URL distribution strongly suggest a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/gqeklta6q2hl9goooep7jo3a67/3275454555.pdf In PDF document text
- https://fultoys.com/userfiles/62067295771.pdfIn PDF document text
- https://jeneifogaszat.hu/cikkdata/files/24336618291.pdfIn PDF document text
- https://absoluteanytime.com/media_file/files/files/43797560111.pdfIn PDF document text
- http://flirdining.com/uploads/files/2761553672.pdfIn PDF document text
- http://pekingtogo.com/uploads/files/4310724070.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/fbh4326pu682gbkf1h3ljmio00/69508387264.pdfIn PDF document text
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/845354idc474p4tp7iobd5hi23/sozideput.pdfIn PDF document text
- http://esoftland.com/userfiles/file/59529909923.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606caab4f18e7---99110087900.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b70b1c4806e---62617549100.pdfIn PDF document text
- https://stiff.pl/ckfinder/userfiles/files/20181184520.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/29c3d40ff91b4f0061828dedf25ae87a/zupapuzodakokak.pdfIn PDF document text
- http://baodieptailor.com/uploads/2021-07-13/images/files/kotamemuniwuru.pdfIn PDF document text
- http://mistralizmiryonetim.com/uploads/file/88074799274.pdfIn PDF document text
- http://svatba-emi.com/uploads/pages/files/46033288622.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a2655d66b71---doganikit.pdfIn PDF document text
- http://aksaaydinlatma.com/img/editor/image/file/45873590812.pdfIn PDF document text
- https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3aaba93e3---tuwimebexaloxafomag.pdfIn PDF document text
- http://ottotech.center/userfiles/file/99175149637.pdfIn PDF document text
- https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/9db054aaf0ecb1fc0376fbc08513115a/nigigabipajovogosokasijad.pdfIn PDF document text
- http://kencert.vn/uploads/image/files/34395292803.pdfIn PDF document text
- https://knurussian.kr/DATA/upload/files/202107061616336126.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=naruto+shippuden+ultimate+ninja+storm+4+character+modsPDF 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_off0000ee7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE7A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010691.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10691 | 11064 bytes |
SHA-256: 755132b710b45f6e3c9350cfde59c97a5280c22c92af36c25da82fbdaf53d77f |
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font_02_sfnt_off00012029.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12029 | 18636 bytes |
SHA-256: 991f8016874550525d6a58a025f9ee61478c426ac2b9f0014db1a8ece7f19e53 |
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