MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, a common technique for executing malicious code within PDFs. It also features a link farm pointing to compromised WordPress upload directories, which host further PDF files. This suggests a multi-stage attack, likely aiming to deliver a phishing page or malware through these linked documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9827
Heuristics 7
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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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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://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607ca1a687497---kojiboratiduvekoguwulaku.pdf In PDF document text
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160885a060b28d---45768228349.pdfIn PDF document text
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/h80u7cq31ua7pco4f2c0595ji8/52317851701.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160817bef63781---51684304326.pdfIn PDF document text
- https://almoheetmanpower.com/public_html/userfiles/file/jajofupopojujokidani.pdfIn PDF document text
- http://zjhywt.com/images/upload/File/bejigozug.pdfIn PDF document text
- http://markasib.ru/ckfinder/userfiles/files/duwuw.pdfIn PDF document text
- http://falegnameriacastiglione.it/userfiles/files/wotatapevuxi.pdfIn PDF document text
- http://www.sm.ac.th/ckfinder/userfiles/files/guwawosezimelefujofepi.pdfIn PDF document text
- http://qunjl.com/userfiles/files/60629307325.pdfIn PDF document text
- https://chachachat.info/js/ckfinder/userfiles/files/62976437988.pdfIn PDF document text
- https://anctools.com/ckfinder/userfiles/files/nudazajipogojiren.pdfIn PDF document text
- http://ctyrkolky-gamax.cz/data/dokumenty/lemubazojowovonumeriwuwar.pdfIn PDF document text
- https://monyetmesum.com/contents//files/gagiz.pdfIn PDF document text
- http://master-sign.ru/ckfinder/userfiles/files/75329563478.pdfIn PDF document text
- http://ciccioinpentola.com/userfiles/files/19689142614.pdfIn PDF document text
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160896806869e7---lisaluzew.pdfIn PDF document text
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/8ar8h1dqg3ap2c4nm15h2saik9/97292038009.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c18ae0509a8---gefemegazugabatejida.pdfIn PDF document text
- http://booklandbooks.com/userfiles/file/31420422918.pdfIn PDF document text
- http://nowyhotelik.pl/userfiles/file/logojasip.pdfIn PDF document text
- http://4bx.pl/public/file/xawiwowivawexipeki.pdfIn PDF document text
- http://fipjp.com/userfiles/file/tepixufupojoguwer.pdfIn PDF document text
- http://pileshoppen.dk/userfiles/file/ramilovimi.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/4e03ccf9b0f884c4b4430f306b6afb4b/gotewixesorogewulu.pdfIn PDF document text
- https://smallislandcurry.com/wp-content/plugins/super-forms/uploads/php/files/cddfa378f5217c18cd3f7eafd751877f/86382357690.pdfIn PDF document text
- https://salonrewards.ca/images/file/loramoderugemibiz.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=frigidaire+affinity+washer+installation+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_off0000bfdf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFDF | 11080 bytes |
SHA-256: 40596b6da40a7681cf0fcc5274da57d1018f5e76d1d83ceb87518e12eeff17e4 |
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font_01_sfnt_off0000d94f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD94F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f161.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF161 | 16844 bytes |
SHA-256: 89a991b1e96ece016b5eaa03505a3e25442b0bb2c883a8f9aed06c757d94e0b9 |
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