MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file 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 multiple external websites, some of which are hosted on compromised CMS uploads. The embedded URLs, such as http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613507d1620c0---rujataj.pdf, are likely part of a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://library.nesdb.go.th/ic/admin/ckfinder/userfiles/files/20757726506.pdf In PDF document text
- http://ronaldtan.nl/images/photo/47795115951.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613507d1620c0---rujataj.pdfIn PDF document text
- http://japhina.com/upload/file/10207519102.pdfIn PDF document text
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/161406f86d4b7e---38481238903.pdfIn PDF document text
- https://1snrpaulista.com.br/ckfinder/userfiles/files/27987701328.pdfIn PDF document text
- https://bartonsteel.com/tony/barton/ckfinder/userfiles/files/xopedewexavixilidexerojux.pdfIn PDF document text
- http://upservice.expert/admin/ckfinder/userfiles/files/41668408206.pdfIn PDF document text
- http://fujiya-burbank.com/uploads/files/butimepugovodolinusop.pdfIn PDF document text
- https://ladangmimpi2.com/contents/files/7283073040.pdfIn PDF document text
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b6706e0b20---gepejufuwe.pdfIn PDF document text
- https://nhatngudongkinh.phapluatvietnam.com/upload/ckupload/files/83605559530.pdfIn PDF document text
- https://leavereview.com/customerinterview/ckfinder/userfiles/files/gorojeb.pdfIn PDF document text
- http://www.fashiongale.ro/userfiles/files/fitawibexizuve.pdfIn PDF document text
- http://fotografieindex.nl/images/uploads/nuvade.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16144c00c0ae5f---ditepajamukemoniradazewe.pdfIn PDF document text
- https://tainandentist.com/uploads/files/202109050007549360.pdfIn PDF document text
- http://tupnate.com/ckfinder/userfiles/files/82090747765.pdfIn PDF document text
- https://die-elke.de/cms/elke_page_files/file/sagutemepipuzirudo.pdfIn PDF document text
- http://wijnhuis-vaessen.nl/site/data/ws/files/83884441278.pdfIn PDF document text
- http://motocams.cz/ckfinder/userfiles/files/99478294993.pdfIn PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/161316213ec82a---60071095707.pdfIn PDF document text
- http://sun-apartments.pl/data/pages/97463503831.pdfIn PDF document text
- https://medius.sk/userfiles/file/29654118471.pdfIn PDF document text
- http://3t-t.com/User_File/UpFile/file/20210913164229_NDgxNzY5MTA4MTU=.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=how+to+download+music+on+phoenix+browserPDF 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_off0000b96b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB96B | 16348 bytes |
SHA-256: 063d5b72415b02c13f0016193c613857f6bb9fb0067ac168ff455127b12e5af7 |
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font_01_sfnt_off0000e3b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3B7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fbce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBCE | 11196 bytes |
SHA-256: e2b0bd4b78d0781cc702bb26675e623bfb82d1fabea1000d2ed41aa4f4ffba5a |
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