MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains numerous links, many pointing to compromised CMS upload storage and disposable hosting, characteristic of a link farm designed to redirect users to malicious sites. The presence of these links suggests the document is likely a phishing lure or a distribution point for further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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 https://www.cascatai.com.br/ckfinder/userfiles/files/turubodujimemipotunilu.pdf In PDF document text
- http://muslimofwestbengal.com/mwb/editor_upload/files/16511843620.pdfIn PDF document text
- https://mudrun.com/home/mud/public_html/ckfinder/userfiles/files/33437832180.pdfIn PDF document text
- https://gelblighting.com/userfiles/files/64453210792.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a03ae908791---vizuxiburodizax.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609457b75c19d---badugevobemuwolibarigip.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/dnj6kc59fbllhnpcq5ch2b6shc/bizetubavufe.pdfIn PDF document text
- http://iphonedown.com/ckfinder/userfiles/files/takuvixurorakunesekaxibi.pdfIn PDF document text
- http://cpspcb.com/uploads/files/23787239099.pdfIn PDF document text
- https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/5d98e9f0cc8255c76ee6bec52a5049e2/43307063797.pdfIn PDF document text
- http://tourgrodno.by/images/content/file/timimisokotatewedujola.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fc2c6acb377---36628883801.pdfIn PDF document text
- https://dewalt-naradi.cz/media/upload/editor/file/14706586075.pdfIn PDF document text
- http://cnkls.com/userfiles/file/1627761436.pdfIn PDF document text
- http://fleshlight-tw.com/userfiles/file/49631898641.pdfIn PDF document text
- http://web5gstore.com/Files/files/36954663608.pdfIn PDF document text
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/16097203f1bedc---zuvukugasixuvezuwixawo.pdfIn PDF document text
- http://heritagecarletonplace.com/clients/c/c2/c23aa4fb54f25340752d20cfcff880b2/File/semagaberirawom.pdfIn PDF document text
- http://toeicspeaking.net/_UploadFile/Images/file/24008597370.pdfIn PDF document text
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/9df4a7ff6c8e8eb52e64f348779c681b/35547455645.pdfIn PDF document text
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a13d9a92d86e7208cdb929c67c44fdfa/bodokumiwuvaduvi.pdfIn PDF document text
- http://quadocdao.vn/uploads/files/winurenozamusoxibabelok.pdfIn PDF document text
- http://alacarte-design.de/userfiles/file/xidafuwafuwumisajeji.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/93488083749.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=equivalent+fractions+grade+4+worksheetsPDF 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://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_off0000da95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA95 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f2ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2AC | 11304 bytes |
SHA-256: e845128bccba72c6f9daca06d1307771db881715c900ac694b38a8e4bd50042a |
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font_02_sfnt_off00010cc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CC8 | 20100 bytes |
SHA-256: 00babf8d97ed4b062d56f99ed40eed8487d0d3d6442c99ba6af5644ed2c0609d |
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