MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and the 'SE_ADVANCE_FEE_SCAM_LURE' heuristic strongly indicate this PDF is designed for an advance-fee scam. The document body is heavily obfuscated, but the presence of numerous URLs pointing to compromised CMS upload directories suggests a distribution mechanism for malicious content. No scripts were extracted, but the PDF structure itself is indicative of a social engineering lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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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://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa3fe504a19---muguvolasotavizu.pdf
- https://agentcctv.com/userfiles/file/92616827977.pdf
- http://avalon-essenzen.at/userfiles/file/ravenegesubuduk.pdf
- http://ambulanceservice.pl/userfiles/file/rusivijonikafa.pdf
- http://aiswaryamatrimonials.com/fck_uploads/file/95566106443.pdf
- http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b08dd51d8a---jixenodawosusedifo.pdf
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/pbhp49826vh58m9mv8uiesr541/kubolaviwetilubil.pdf
- https://digireg.dk/upload/46155965700.pdf
- http://alrehabourhome.com/userfiles/files/84647257804.pdf
- http://campcolefamilyreunion.com/clients/82065/File/rovej.pdf
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160df955b646a7---83020897096.pdf
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/h8g8mk9jj2dfqip7oquv2c198c/24267229604.pdf
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adc39220f0c---12224910636.pdf
- https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/81a94d04d5381e1afb96a61106075ed0/ninixusigabepujakesajo.pdf
- http://cogersquest.com/clients/f/f6/f6194b381802d71b6842d6160e8859b1/File/lajojifupusa.pdf
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/6e5bb2c8bc55d483e7ca11d1abc529b9/tasibevijavepamole.pdf
- http://sapientgenerator.ru/files/userfiles/files/gogilobapefalutumapo.pdf
- http://www.ettermanenterprises.com/ckfinder/userfiles/files/berizawexijo.pdf
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608328d260230---9462711718.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160879a27a6447---rezusetop.pdf
- http://hurtmar.pl/Upload/file/17962245810.pdf
- https://lysgaards.com/ckfinder/userfiles/files/novusupigozijoziwupom.pdf
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099439b79ab4---ridigod.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f989ldq60qhrdv81a673uevk21/96425731929.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=three+basic+categories+of+consumer+products
- 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_off00015101.bin7ccb206a6e9c59a35f77ebd2d514cbbe706628e3b7c61f400b6ceedf49c6a922 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15101 | 17520 bytes |
font_01_sfnt_off00017f2e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17F2E | 16792 bytes |
font_02_sfnt_off00019745.bin9b27f2a83a2c556dcfe7aa173539a50144c4d51ec0c5dc7c19136c89f8f7c986 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19745 | 11224 bytes |
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