MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a phishing or trojan threat. Heuristics reveal it functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS platforms. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure suggests an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 https://kit-veron.my/ckfinder/userfiles/files/wigevevatiwekototil.pdf In PDF document text
- http://cdmvt.cz/sites/default/files/12880616878.pdfIn PDF document text
- http://groupkaishan.com/d/files/soxugejejexuwuzarev.pdfIn PDF document text
- http://www.florentmaussion.net/userfiles/File/farataminis.pdfIn PDF document text
- http://another-partner.morefriendship.com/upload/files/74290242909.pdfIn PDF document text
- http://szm.hu/userfiles/file/zutatadatevajilojiludon.pdfIn PDF document text
- http://kovove-ploty-brany-zabradli.cz/UserFiles/File/guzejufod.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/161596bbab1e8e---89670981241.pdfIn PDF document text
- http://ort168.com/upload/ckeditor/files/pedevurazilezaf.pdfIn PDF document text
- http://thekitchendesignstudio.org/uploads/files/vapubetasenow.pdfIn PDF document text
- http://szcftz.com/upload/61146868779.pdfIn PDF document text
- http://sobinco.cz/ckfinder/userfiles/files/12256224145.pdfIn PDF document text
- https://birudongker.com/contents/files/22011088360.pdfIn PDF document text
- http://linkipt.com/_UploadEditor/files/80896392464.pdfIn PDF document text
- https://rosettes.it/userfiles/file/bofiwa.pdfIn PDF document text
- http://sevgineslianaokulu.com/ckfinder/core/connector/php/uploads/files/dazikemadaxamanifawege.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/161335a544c6e0---diziroxenipulesazoviwa.pdfIn PDF document text
- http://goodwill.pl/userfiles/file/norevatibevilub.pdfIn PDF document text
- https://tonere.shop/app/webroot/files/userfiles/files/lufubumujajorogavefojikix.pdfIn PDF document text
- http://seksdagen.nl/userfiles/file/zijere.pdfIn PDF document text
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615804194d532---67791968870.pdfIn PDF document text
- http://auroraenergyproject.it/userfiles/files/44974967244.pdfIn PDF document text
- http://dc-a50e0b1dcb2e.breakthrough-nutrition.com/userfiles/files/paseke.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=science+songs+for+kidsPDF 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_off0000d67b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD67B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ee92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE92 | 10512 bytes |
SHA-256: 63c519665e267f2611eeb259f0d2a4d55e1edb050d5f7316a87f4f58bc9b3927 |
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font_02_sfnt_off00010657.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10657 | 19028 bytes |
SHA-256: 9ba82a3bbca8e9c55921e52949195533019d6aad14094d999b6498c1a8af6819 |
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