MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9924
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://sspvjd.com/FileData/ckfinder/files/20210706_1FB9153E234012C8.pdf In PDF document text
- https://airflow-skateboards.com/upload/file/jonigon.pdfIn PDF document text
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/0ffad2255a710c5a3796e2780b75425e/bizewokanabobudipuguzub.pdfIn PDF document text
- https://mariellatriolo.it/public/file/13476550290.pdfIn PDF document text
- http://mirandatutoringcentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ba41bdad4db---11050577901.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1609826434a3e0---7036948550.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606e68f56f345---zirejuvibojumilak.pdfIn PDF document text
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b98da5b8087---55411595346.pdfIn PDF document text
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/vobvgi90snicp9m6jsoc234sgq/buxijogiresalupu.pdfIn PDF document text
- http://oreade-breche.fr/userfiles/file/43045908697.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160f05179877ab---rolugiropeguwezopadu.pdfIn PDF document text
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/fa1728a656868ade0b73a7d6236edcab/libugegiwafupowumimowina.pdfIn PDF document text
- https://ebooksweb.net/files/file/zosekekofifiwufudagoxi.pdfIn PDF document text
- http://balogmihaly.hu/UserFiles/file/jenidanabirokarezutivogug.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/sjrhn1i1lgk3s5ukslh1app31g/minumumemosafaribagudi.pdfIn PDF document text
- https://mumegram.com/userfiles/file/jasagimukof.pdfIn PDF document text
- http://imaginove.eu/data/Files/mefemojobopezokavapasug.pdfIn PDF document text
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c457ad5af90---21040659435.pdfIn PDF document text
- https://karapinarinsaat.net/userfiles/upload/file/lejufefa.pdfIn PDF document text
- http://hasici-pristroje-eshop.cz/files/file/bisiz.pdfIn PDF document text
- http://sdds.be/userfiles/file/58938464147.pdfIn PDF document text
- http://www.ipkameralari24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088ee4f10d3d---vijubawemawuxuma.pdfIn PDF document text
- http://kwong-cheong.com/userfiles/58336970343.pdfIn PDF document text
- https://markmont.eu/editor_uploads/system/files/kikunajijolejijikoru.pdfIn PDF document text
- http://lokalsport.no/userfiles/file/nimila.pdfIn PDF document text
- https://h1t-url12shio-turbo.com/contents//files/tibuzigapovibu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=sleepless+beauty+full+movie+download+in+hindiPDF 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_off0000e3c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3C2 | 11244 bytes |
SHA-256: 047788444e81eefa9d3eff41dcc6c2277dac4ba8b7dd9f8a9b3983ca653c8a6c |
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font_01_sfnt_off0000fdc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDC4 | 17032 bytes |
SHA-256: 07d3f09c681d59de467c4100354a1f4e31c3fa59a1ffbdd53732dd3272536af3 |
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font_02_sfnt_off0001299d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1299D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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