MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as containing a link farm hosted on compromised WordPress sites. The ML classifier and ClamAV also identified it as malicious. The presence of numerous URLs pointing to potentially malicious content suggests a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://simonhoirup.dk/userfiles/file/lomobafelarunijisarobofa.pdf In PDF document text
- http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/af84343ef2409c4cd3558b36d1f111fb/mivamazom.pdfIn PDF document text
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160e6a4ec98c15---61669242029.pdfIn PDF document text
- http://huerural.com/uploads/image/files/wuvajaxujafitavezadu.pdfIn PDF document text
- http://cmtoolsrental.com/user_img/files/41322214060.pdfIn PDF document text
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/160a13e96851a9---47867437331.pdfIn PDF document text
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607b214c43d59---xibamirofa.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a8e8e7ceb67---13381353781.pdfIn PDF document text
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/16089bba88a18a---21248226008.pdfIn PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/3900e4416d6951203140f14f8c8303f1/zipepojiwolepobure.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ed56672504a---dalexejekadopabe.pdfIn PDF document text
- http://wirheiraten.de/images/file/vikazipiziz.pdfIn PDF document text
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/0d3b6fd2ab7bc3ce67aa7a90292ac179/68813931919.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/b5afcad085a55beb9688690541699527/refaramotakixonimamami.pdfIn PDF document text
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a6212eedef1---9564673064.pdfIn PDF document text
- https://diaochue.vn/userfiles/file/78598151452.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e9469f2f9---34887482444.pdfIn PDF document text
- https://dubaimotorcycletours.com/uploaded_images/files/wolapolilokosuvum.pdfIn PDF document text
- http://hengtaixin.com/HangShun/ckfinder/userfiles/files/xulezelisotututo.pdfIn PDF document text
- http://karimeh.com/public/userfiles/file/jajofetewamegu.pdfIn PDF document text
- http://xn--or3bi2da319p.com/upload/fckeditor/file/gozewabajofunowog.pdfIn PDF document text
- https://bestcoloringpages.com/userfiles/file/33091728665.pdfIn PDF document text
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bfbc0594810---71534249737.pdfIn PDF document text
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/cij2apuo0g43gusa68j9lkge55/dubunujonefigepe.pdfIn PDF document text
- https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/8df34a13c33c47cc8d6f653466373226/dusakab.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=2+inches+in+cmPDF 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_off0000e8d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8D1 | 16548 bytes |
SHA-256: 293f4ea3e57781ae9e97f0e6528b8f6f412cddb5ad8af4b447ed74426849c1c4 |
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font_01_sfnt_off000113bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113BB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012bd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BD1 | 9992 bytes |
SHA-256: 9f066ce2e5a5fcda22e51612e5ff307b68be73be3b01d0e92e89d3902ef18dd1 |
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