MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. The file also functions as a link farm, directing users to multiple external URLs hosted on compromised WordPress sites. These factors, combined with a high ML classifier score and ClamAV detection, strongly indicate a malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ac2fa66751---pemosodejofenemobegid.pdf In PDF document text
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/8138mh0rjuru192l2oi262nlv6/30468980801.pdfIn PDF document text
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/4c20b6205088b4e607ee630b6fc8b125/fupubavot.pdfIn PDF document text
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/spmb0uju3ralajpk5qfcurqlvo/96180056213.pdfIn PDF document text
- http://alliusie.com/userfiles/file/wezapasefejetixuzerox.pdfIn PDF document text
- http://firanywiktoria.pl/uploads/editor/file/nafixarojudamosu.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/8t0b0cf47l658njojqijl9j9g8/kelodejutogolaken.pdfIn PDF document text
- http://ducthoaudio.com/upload/files/jovozesazixawof.pdfIn PDF document text
- https://bselink.com/userfiles/file/23332233012.pdfIn PDF document text
- http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210504101342038174gamke5.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080cacfadebe---93391802282.pdfIn PDF document text
- https://norservis.com/files/files/86388469892.pdfIn PDF document text
- http://vietxetai.com/wp-content/plugins/super-forms/uploads/php/files/i2h141oj6n9ik6iatk9vn56v68/vobiraveladufobu.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/5ec221cf2261f0156d9869c2114f7f53/bafutil.pdfIn PDF document text
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a029856cfda---wizizefuf.pdfIn PDF document text
- https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/u39lck8nfv4enpm6i974edodm6/fowakoxef.pdfIn PDF document text
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/569238def6e37c197383a1c62342ab56/4957644395.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/93543809514.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/c290cedc2eb9a2eb111542c1702df3b6/16530897107.pdfIn PDF document text
- http://skogsformedling.se/bilder_umeny/File/punozuvipew.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16080a849f1aaf---bidojujiwoxobenekoram.pdfIn PDF document text
- http://tele-video.ru/upload/files/53275586516.pdfIn PDF document text
- https://aspaeng.com/files/image/files/tuveromizeriliruraxilupu.pdfIn PDF document text
- http://www.darvidproperty.com/news/file/fizurolevabagutatumi.pdfIn PDF document text
- http://pho32shabu.com/uploads/files/fabap.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=red+keep+3d+puzzle+instructionsPDF 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_off0000d03f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD03F | 10816 bytes |
SHA-256: a94bbd64b6bf39da92702eed05f102deabe612a68f0fff94e3356a5520343b2f |
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font_01_sfnt_off0000e962.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE962 | 17464 bytes |
SHA-256: 001035b89f2ac27109dd1f63259a9ef6a82ff21bf6fe5ec2829ce6b96565a46d |
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font_02_sfnt_off00011593.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11593 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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