MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate this PDF is malicious. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users. The presence of external URIs and a link farm heuristic indicates the primary goal is to drive traffic to potentially malicious external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://headrepublic.pl/images/files/naxurusagef.pdf In PDF document text
- https://allcondosales.rodeodrivecondosale.com/userfiles/files/87881122910.pdfIn PDF document text
- http://www.ondebiz.com/userfiles/file/55003272678.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16146e2b6ac778---27930624050.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140e8ac5d609---fezusadiput.pdfIn PDF document text
- http://kerama.altrodesign.eu/ckfinder/userfiles/files/gujeti.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1613b7d4776c2d---binapus.pdfIn PDF document text
- http://honmamon-s.com/img_seminar/userfiles/file/dawozofum.pdfIn PDF document text
- http://unityproductions.com/upload/files/88941045453.pdfIn PDF document text
- http://yousefmaktabi.com/ckfinder/userfiles/files/19168695078.pdfIn PDF document text
- https://tnmkor.com/FileData/ckfinder/files/20210919_0DC37C752449A86B.pdfIn PDF document text
- https://academiapreprod.riportico.com/userfiles/files/19703454644.pdfIn PDF document text
- http://bidmitt.com/img/files/file/tewafusafunudadetiboti.pdfIn PDF document text
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144415ab78dd---nuzemi.pdfIn PDF document text
- http://edituj.cz/res/file/95656120357.pdfIn PDF document text
- http://myphamlulanjina.com/upload/files/kuborefipir.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16134e313f39d5---tabiropufenutekanotevepev.pdfIn PDF document text
- http://www.logomarcanet.com/userfiles/file/nejozazagimudel.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/161464a88b37a9---37447849723.pdfIn PDF document text
- http://trungtamsangloc.vn/uploads/ck_upload/files/nudebozewufakoxex.pdfIn PDF document text
- http://magdrywall.com/project-new/christianbook/upload_images/file/sowozosotefavu.pdfIn PDF document text
- http://interiorconsignments.com/media/file/tovumopukida.pdfIn PDF document text
- https://ta-taiwan.com/app/webroot/userfiles/files/43241501910.pdfIn PDF document text
- http://laibros.com/ckeditor/userfiles/files/lamofaguwoketebusosa.pdfIn PDF document text
- http://angarakshaksecurity.com/userfiles/file/movaxuruxipobanana.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=grammar+book+for+class+2+pdfPDF 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_off0000d4a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4A8 | 19424 bytes |
SHA-256: b4f4f34ebdd029b69941e1107cb741395b61a54dc8492c761e68627fa417539e |
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font_01_sfnt_off0001078b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1078B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011fa2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FA2 | 10748 bytes |
SHA-256: 209fb2e6279f44349c47661435fa993358f8fd8e6a34c121ed854a34293247ee |
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