MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to download files from compromised CMS uploads and disposable hosting domains. The presence of a 'download button' lure further supports a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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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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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://canphantich.net/Images_upload/files/luvevujubiz.pdf In PDF document text
- http://barudan.hk/UploadFile/file/20210913142341466.pdfIn PDF document text
- http://tivati.com/uploads/userfiles/file/73345409007.pdfIn PDF document text
- http://ssss-sangam.com/userfiles/file/25115869466.pdfIn PDF document text
- https://eatorhours.org/e-bussiness/fckimages/file/93817997234.pdfIn PDF document text
- http://tafgambiatours.com/userfiles/file/vefemopegati.pdfIn PDF document text
- http://abarappresentanze.it/userfiles/files/fasowonukiji.pdfIn PDF document text
- https://texigo.tw/upfile/files/2021/10/05/jinijizusexexenibaxe.pdfIn PDF document text
- http://sobinco.cz/ckfinder/userfiles/files/4952704433.pdfIn PDF document text
- http://gtlfuelmarine.com/userfiles/file/425766450.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1612fc47bc3e59---74657818399.pdfIn PDF document text
- http://mgtuae.com/uploads/file/94984967689.pdfIn PDF document text
- http://globalnetworks.de/www.galabau-poscher.de/main/preview/ckfinder/userfiles/files/kebepubitevijo.pdfIn PDF document text
- http://bociany.sk/media/file/70090180882.pdfIn PDF document text
- http://lynxauto.ru/userfiles/file/63707992920.pdfIn PDF document text
- http://konemara.hu/userfiles/file/3107743081.pdfIn PDF document text
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/16155b77907a70---11583613968.pdfIn PDF document text
- http://beergolfers.com/blog/images/file/mabonavudonuvifenatan.pdfIn PDF document text
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614109c829579---tobimatuzuwidigezin.pdfIn PDF document text
- http://joyear.com/ckfinder/userfiles/files/54337919976.pdfIn PDF document text
- http://bacvietexpress.com/upload/userfiles/files/12682614063.pdfIn PDF document text
- http://kokocurry.gm/userfiles/file/xafuxewanozipexiredekomab.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=ncert+class+8+science+book+chapter+1+question+answerPDF link annotation
- https://easyown.ddproperty.com/datas/files/46778434805.pdfIn PDF document text
- 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_off0000d7bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7BC | 11272 bytes |
SHA-256: 06f6ebe18af1c7dbd6e26cc56e99ff96e153aacb6e91c5ba8fb5096017ac7b25 |
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font_01_sfnt_off0000f201.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF201 | 19016 bytes |
SHA-256: 2913c226411304e0c35714c697e1665ff234bd6b5d296dfb0c7e2e9050122b81 |
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font_02_sfnt_off00012332.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12332 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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