MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories, presents a deceptive download button and contains embedded JavaScript. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 8
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://amadpich.com/userfiles/file/juvawigegabodejokafalug.pdf In PDF document text
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/ulrh19eqr48i1ca2sn6p48dt2p/jenij.pdfIn PDF document text
- http://allaboutdowney.com/userimages/jupuvumotaletemesilisu.pdfIn PDF document text
- http://abwsalisbury.com/uploads/files/51301709420.pdfIn PDF document text
- https://www.lightingsolutionsal.com/wp-content/plugins/super-forms/uploads/php/files/d9fe0e37df6f87be245351206b6c9082/88368303359.pdfIn PDF document text
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16079ec2fc4592---fuvogikonerifipiwaruzakuj.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/lapugedizoxavixivu.pdfIn PDF document text
- https://haisanquangninh.org/data/dulieu/files/wuguruv.pdfIn PDF document text
- http://ebslang.net/_UploadFile/Images/file/19959693983.pdfIn PDF document text
- http://www.ecvbrass.ch/user/web/file/32092663433.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/balakuj.pdfIn PDF document text
- http://signaturecruise.com/js/ckfinder/userfiles/files/88090947490.pdfIn PDF document text
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/vvjvhiogp7o0b1f95qvsudssj3/39756698681.pdfIn PDF document text
- http://eia-edu.com/userfiles/file/56371036895.pdfIn PDF document text
- http://mediedil.eu/userfiles/files/75674347300.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/abec7088540e37195c747b4246a8533a/zuvorakukak.pdfIn PDF document text
- http://ackerviewguesthouse.com/userfiles/file/jiguwojivifojiwejuku.pdfIn PDF document text
- https://tavio.ru/files/file/jisaposumumekol.pdfIn PDF document text
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608480074fb52---26363226171.pdfIn PDF document text
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/fca4a642e61cfbb1839267fdcfe5b8d1/37375066673.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3407dc286b---xogipopixerijajuwogavuwot.pdfIn PDF document text
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8fea26898e---79243372344.pdfIn PDF document text
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/0hl2fb92a3339cami8cd5ol097/kepamutewe.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1e02d334f7---pupat.pdfIn PDF document text
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/64cd04fb9aedb9b73e823f72025beed0/mokavabomejudekigidigawi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=class+7+science+chapter+1+extra+questions+and+answersPDF 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_off0000f8c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8C5 | 17456 bytes |
SHA-256: aead71bc6e3f6f55c775ae9ba93fd37ddb6f3f291fad614c54fde12cbb97352c |
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font_01_sfnt_off0001262e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1262E | 11180 bytes |
SHA-256: 5ea6cb74a5fd79981e943317155b582bc8adcd9f5c74d427cf70773ec29d7db6 |
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font_02_sfnt_off00014039.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14039 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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