MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is unreadable, but the heuristics indicate a pattern of SEO manipulation or phishing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://inwebjor.ru/uplcv?utm_term=how+to+create+a+simple+app+in+android+studio
- http://kreativitaet-stadlhofer.at/global/images/userfiles/file/65515438028.pdf
- http://netmode.net/app/webroot/uploads/files/nemelatofobusagugiz.pdf
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614e47bca8e28---90545293057.pdf
- http://yoron.net/up/files/jobikokamupom.pdf
- http://iglozawiercie.pl/zdjecia/file/kokodedababosi.pdf
- https://dodatkireklamowe.pl/web/uploads/files/xaraneguzakororimavem.pdf
- http://soskuwait.com/outscapes/admin/ckeditor/uploads/ck/files/kitezovip.pdf
- https://happyfun.tw/uploads/files/202109080328101853.pdf
- https://fontan-montag.ru/img/upload/bedowodexa.pdf
- https://globaldreamindia.com/webcms/file/xudogaxuvefedole.pdf
- http://placc.info/up_image/72654773079.pdf
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c3ebd51c38---21444238714.pdf
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fffe1af002---duwibolikifabokisolidak.pdf
- https://aucordechasse.fr/vosImages/pijekozolunotigalagogip.pdf
- http://netinflux.net/userfiles/file/joguduluvofavi.pdf
- http://psychologkmalinowska.pl/ckfinder/userfiles/files/45591420789.pdf
- https://cristalparkhotel.com.ve/ckfinder/userfiles/files/nogobekukojevawekem.pdf
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/8go7i125ufstnl2ggq1s4k6ho4/38685236083.pdf
- http://hkwwta.org/userfiles/kokipozefa.pdf
- http://sin-hua.org/userfiles/74466269766.pdf
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/fe54eca69541ee1ef13e079f2f6f8f3f/45652689348.pdf
- http://jlicentral.com/images/authors/file/34062366792.pdf
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/6130403765c7588f337183fb72af846e/33505542890.pdf
- http://www.groupementpecheduloir.com/ckfinder/userfiles/files/18837507617.pdf
- http://ricarda-allegra.de/userfiles/file/99400502065.pdf
- 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_off0000b9ad.binb80462169f3bc9698b6444ae9976663b1454cc6b0c60bbffcfa2a92e39844b6c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9AD | 17820 bytes |
font_01_sfnt_off0000e788.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE788 | 16792 bytes |
font_02_sfnt_off0000ff9f.bin658eb9b560a2c4ed08f0fdd9503bec74ae3005c45ba6214837bad71a4ec11be1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF9F | 10852 bytes |
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