MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting domains, indicating a link farm designed to redirect users. The presence of these links suggests an attempt to lure users to malicious websites for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://yossy.biz/userfiles/file/tawovixapedolupatad.pdf In PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607e2a9c5efc2---balosifupoxupediwenubudi.pdfIn PDF document text
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/88e619eb1600993cf8d8e39088109c29/58089327768.pdfIn PDF document text
- http://www.knickmeier.net/images/pageimg/file/66572594395.pdfIn PDF document text
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b45ba3a8943---xeferaviwonufowoxigez.pdfIn PDF document text
- http://bluebirdcanada.com/FileData/ckfinder/files/20210720_522AF9EA508CF9D4.pdfIn PDF document text
- http://angerdress.store/ckfinder/userfiles/files/12548403358.pdfIn PDF document text
- http://naturallabs.de/userfiles/file/gubaxunupuv.pdfIn PDF document text
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/0dd2d4893b7ae446c33960d7c1c4e341/jupesa.pdfIn PDF document text
- http://maybomchuachay24h.com/Images_upload/files/torazogerinizinax.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/gpht5apsm6t28cmqkd1jo34iu4/jalofove.pdfIn PDF document text
- http://ehsclassof64.com/clients/b/bf/bfa5c4411462ceee4a19e543862d902c/File/24454738176.pdfIn PDF document text
- http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609812c84cb3f---18997446279.pdfIn PDF document text
- http://elhammagazine.com/ckfinder/userfiles/files/83300934132.pdfIn PDF document text
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16095cbe84d914---luzorazuvabakozizorod.pdfIn PDF document text
- http://savvyais.com/userfiles/file/45433529170.pdfIn PDF document text
- http://am-assets.com/aom/magnolia/userfiles/file/limuzo.pdfIn PDF document text
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cf267ce2c23---92821618015.pdfIn PDF document text
- http://beiks.info/public/file/sikuragolow.pdfIn PDF document text
- https://angelsforwarriors.org/userfiles/files/bixabinidilarudekoxaz.pdfIn PDF document text
- http://lambanghieuquangcaogiare.net/vietkiendo/upload/file/fotazojedekoxeriwexa.pdfIn PDF document text
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1a6d07b4e---suvufamatovewologuxezisad.pdfIn PDF document text
- https://fereshtegan.net/basefile/fereshtegannet/files/82547004969.pdfIn PDF document text
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/c4thj9tev8ialf2qrinkfmu1p6/3387216708.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=gate+2000+ee+question+paper+with+solutionsPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d84a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD84A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f061.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF061 | 10960 bytes |
SHA-256: 71b081894698287cc9f3b90018010a79d3e69dc3feb7767b5ca1f7fe923bc555 |
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font_02_sfnt_off000109d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109D9 | 16836 bytes |
SHA-256: 528905eba8f9346cd94b7cf7a43f9457d51d08cc9bc5d08e56851cef1b3eeaf0 |
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