MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to distribute malicious content. The ClamAV detection and ML classifier further support its malicious nature, likely serving as a phishing lure or a distribution point for further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://bjaimama.com/data/upload/2021/05/file/202105240542024053.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/hehgnc3pkak80vo1qud1mg19na/xoperazadaj.pdf
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16071c3f21d948---zutasanosopoluma.pdf
- http://geriatriccarenewjersey.com/userfiles/files/sopuwafafipixo.pdf
- http://lobanowscy.pl/userfiles/file/laleduwajexolu.pdf
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/5p8vgojc1iuifsu4een5g3pkst/92863100777.pdf
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c190117b951---64365850910.pdf
- http://sbstroy53.ru/img/files/sofimudavirotedozug.pdf
- http://www.jindatunnel.com/up_files/file/ponepedakedakulekonatazaf.pdf
- http://standdominica.org/files/files/xuxezep.pdf
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160703e7108fda---walalutu.pdf
- http://aaaexpressac.com/userfiles/file/xaravitemorilax.pdf
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099f7cfd3c80---91256574434.pdf
- http://villa-carlshorst.de/sites/default/files/file/nuwasite.pdf
- https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/c3fdf33ffe51451f6894022e4f4b4a42/91557742926.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/dmgpc4qgjm1pbefqfeqfa3sv41/68817266214.pdf
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080646c54c5f---rarenojazadajewum.pdf
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609f90cdf3eb5---bogojowojixowaxawevufopur.pdf
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bd50b3d24e7---19882730093.pdf
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606eee6f7b541---33874317456.pdf
- http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/160777246a520e---94297714737.pdf
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/5fee39cfb9951f29b15ef6caedcc2b5e/60407755305.pdf
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609a01b10dcf8---31826214385.pdf
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16082ccb7329b1---wotevitolevonezok.pdf
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0f9bbf26cd---nudupofifitedexineke.pdf
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd0200a084f---12809383652.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=aston+martin+music+extended+version+mp3+download
- 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_off0000c2ee.bin219a627565883621bd9d957d7b49f72759269bbc11ae37fce4a3dc5abb07158a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2EE | 17828 bytes |
font_01_sfnt_off0000f204.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF204 | 16792 bytes |
font_02_sfnt_off00010a1b.bin43a304cbf0b84e373b151984d15019012137042da2e7ec0de1bfa69d1a350a89 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A1B | 11180 bytes |
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