MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. Heuristics indicate the document functions as a link farm, directing users to multiple external websites, some of which are hosted on compromised CMS uploads. The presence of numerous unknown URLs suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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 http://alarcon-v.com/editor_upload_image/file/41539798834.pdf In PDF document text
- https://imihwa.com/uploads/image/20210805/files/20210805152442.pdfIn PDF document text
- http://crediramasrl.it/public/file/paxafupine.pdfIn PDF document text
- http://cloverpark1961.com/clients/6/6a/6a73a08bb68f643008adb5efbbb44e43/File/sezimixisezulakiv.pdfIn PDF document text
- http://funperm.ru/content/file/34510155730.pdfIn PDF document text
- http://allseasonsart.com/uploads/fck_uploads/file/30639504310.pdfIn PDF document text
- http://missteenqueenuk.com/userfiles/file/rudinanibaxateberaroz.pdfIn PDF document text
- http://straub-online.ch/userfiles/files/tenivegorem.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce8f36ce174---bivexapetovejina.pdfIn PDF document text
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160b08eece217c---polodogeg.pdfIn PDF document text
- https://bselink.com/userfiles/file/4786820943.pdfIn PDF document text
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/m7fc3b82l203t9t25cq0u2jdk3/jobezidebexedipebujo.pdfIn PDF document text
- https://kenhquangcao.vn/uploads/files/vatadiwipexilaluwime.pdfIn PDF document text
- http://ultrabeauty-ff.ru/userfiles/file/nobofirezetofikavike.pdfIn PDF document text
- http://lycee-elm.org/userfiles/file/26300117347.pdfIn PDF document text
- http://bikipvuikhoedep.com/app/webroot/files/editor_upload/files/xokewebexewavun.pdfIn PDF document text
- https://gagiongvitgiong.com/ckfinder/userfiles/files/61565422878.pdfIn PDF document text
- https://angkorphotographyguide.com/userfiles/file/baratasu.pdfIn PDF document text
- https://flcevent.fcu.edu.tw/plugin/ce1/ckfinder/userfiles/files/20210809231852.pdfIn PDF document text
- https://fruzsiflame.hu/userfiles/file/5582960500.pdfIn PDF document text
- https://airflow-skateboards.com/upload/file/nowunofoma.pdfIn PDF document text
- http://clinical-pain.com/pds/userfiles/files/zirepapupenilivo.pdfIn PDF document text
- http://hoitruyengiaocodocvietnam.com/uploads/image/files/lidajefa.pdfIn PDF document text
- http://mutitar.com/user_img/files/54335810893.pdfIn PDF document text
- http://movietek.vn/hinh-anh/files/zinifafaxaxudavajexe.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=5e+grappler+manualPDF 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_off00010f8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F8A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001279c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1279C | 17944 bytes |
SHA-256: 90f362c6443ebdd1ea8a1a2c248995e2438c4726c7d420539f033516c954f39a |
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font_02_sfnt_off0001569b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1569B | 10256 bytes |
SHA-256: d2fa56b57d0c3e42d56069a84991ab6f593df3b4ce72955109423ce2e38f4695 |
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