MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. Heuristics indicate it functions as a link farm, pointing to multiple compromised CMS upload directories and disposable hosting. The embedded URLs suggest an attempt to direct users to external, potentially malicious, content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 https://akproauto.com/nbloom/fckuploads/file/losifesawamumujubiraruxef.pdf
- http://deurenhanger.nl/userfiles/file/11478679543.pdf
- http://hangtatmj.com/userfiles/tewodopejus.pdf
- https://taksis.lv/taksis/userfiles/file/nelexegudulewo.pdf
- https://penzionradvanice.cz/res/file/tobesaxu.pdf
- http://box8websites.com/ckfinder/userfiles/files/14137598438.pdf
- http://juniorsmagazine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c5f74120ec---jajigojekugodawax.pdf
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ed5e0e0cd3f---bepaburoxolobotutebujone.pdf
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078061e8aca2---kodovevutoxegib.pdf
- http://debandhelder.nl/ckfinder/userfiles/files/34379544590.pdf
- http://excitechem.com/userfiles/file/18363653012.pdf
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/392866e1aecc5b15104eac040e3a0e02/71746132251.pdf
- https://0286869143.com/editor_images/files/zufepoporuxaje.pdf
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/7t0u44drm2thvl1h1qio1h87bq/molidigufoxugitenuromole.pdf
- https://houstoncoinshow.org/FCKeditor/file/98916612957.pdf
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16099c31e44376---guleno.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aabeef49456---62902355529.pdf
- https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/vsj8qr8iqabvp51jo5703duu42/32903205815.pdf
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f6ebda9129d---23721387905.pdf
- https://szallas-karpatalja.net/upload/28729358650.pdf
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/2326201735006aa1edb827f321918f0d/55140138857.pdf
- http://sozopolihills.com/userfiles/file/13971812820.pdf
- https://geniodelweb.com/file/3236786276.pdf
- https://kfmaccounting.com/webroot/img/content/files/18170645007.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=algebra+finding+slope+worksheets
- 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_off0000d22f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD22F | 16792 bytes |
font_01_sfnt_off0000ea46.bina8e885944131ab71bd65909def7892933e46095e042605fe55618fe427c82c19 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA46 | 11076 bytes |
font_02_sfnt_off000103a3.bin125305eb3eab0372eea6b138208f3919333d90ee39ce7f490803bf9b2b037fd6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103A3 | 17424 bytes |
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