MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised CMS uploads or disposable hosting, consistent with an advance-fee scam lure. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create malicious PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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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://aotwcasino.com/ckfinder/userfiles/files/77293854284.pdf
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/2qqinsgfnaue3he8rte0ehua37/80620101634.pdf
- https://noglehoma.com/ckeditor/files/files/bokegujunusivapevaxu.pdf
- https://raljob.com/userfiles/file/7568511761.pdf
- https://tdfstore.it/file/jegazemevikofunem.pdf
- http://tuclubcr.com/campannas/file/vevafufuludes.pdf
- http://inspeq.eu/public/files/19097119215.pdf
- http://stfurnimart.com/file_media/file_image/file/nebudobinusojuvubiwixep.pdf
- http://imosa.asia/uploads/files/202109280046152792.pdf
- https://kitapkaplama.com/upload/ckfinder/files/zurotodogasigabebox.pdf
- http://trubaopt.ru/content/file/10418426315.pdf
- http://nhuahoanglong.com/luutru/files/pipiguzazan.pdf
- https://nsck-cykelmotion.dk/ckfinder/userfiles/files/muwetesurogapid.pdf
- http://saltokisport.com/uploads/files/makigediwudodikosawulasuf.pdf
- https://rotterdampools.com/contents/files/ruwonabokafakewukinakuw.pdf
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/0f6ed1def74b90fe2192d874e24fc14a/24214021897.pdf
- http://peoplefineart.com/assets/202110/files/20211002212543357682.pdf
- https://diarch.in/WYSIWYGImage/file/98029569376.pdf
- http://apexnepaltravel.com/userfiles/file/26420071001.pdf
- https://www.anoregmt.org.br/ckeditor/ckfinder/userfiles/files/88622719990.pdf
- http://sbkf.org/files/files/52077036713.pdf
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16134deb262391---15456235108.pdf
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/n2p89g5gnk1lp2j9ebsqnqfljb/12021994314.pdf
- http://hsound.ro/images/custom/file/67359594600.pdf
- http://feedproxy.google.com/~r/Xvkpad/~3/2I9n2o-U8HI/uplcv?utm_term=kelp+forest+ecosystem+food+web
- 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_off0000e6b1.bin33cb00cf11f90bb8a8c4341f124fe26b7b94a87bc499ad22aa00d827f8c986a2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6B1 | 18984 bytes |
font_01_sfnt_off000117d7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117D7 | 16792 bytes |
font_02_sfnt_off00012fee.bin5611099b467770f52302732377f701ad4006cae6964e952ad56df1c8d61df5c2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FEE | 10752 bytes |
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