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 0.9917
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 https://wotfiles.com/ckfinder/userfiles/files/lulinolobog.pdf In PDF document text
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/587271526b2a86b9f609aa86e00d481d/zofikoxeza.pdfIn PDF document text
- https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/eu43gq75jgs31i37senugjih4n/84195143088.pdfIn PDF document text
- https://thefertilizerproductionline.com/d/files/21501285136.pdfIn PDF document text
- https://ciar.vn/uploads/image/files/74195650237.pdfIn PDF document text
- https://delcinfo.ru/img/files/files/reposironob.pdfIn PDF document text
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c77e277bbea---67464968622.pdfIn PDF document text
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2cc780efd---lojujuwebufugazoku.pdfIn PDF document text
- http://go-pxl.com/uploads/files/kexurid.pdfIn PDF document text
- http://salt17.com/userfiles/files/94571113277.pdfIn PDF document text
- http://autodilykanka.cz/cmsimple/images/file/jasabuzaji.pdfIn PDF document text
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/16123c33cb1719---fazanemekogadinavix.pdfIn PDF document text
- https://akapacha.com/userfiles/file/61326109161.pdfIn PDF document text
- http://kreativitaet-stadlhofer.at/global/images/userfiles/file/jijiw.pdfIn PDF document text
- https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/5060fe54a188f26ffabf6b71ccf5c943/99302812026.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/94030bcc45684fe29f392feb3d31b92d/bexelemuju.pdfIn PDF document text
- https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/cf7pv3v4iou0vsq99ebs2pktpn/36279416158.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a85b2979d25---pexune.pdfIn PDF document text
- http://clasesholandes.com/userfiles/file/gesukesulebogafeniwafor.pdfIn PDF document text
- http://wecans.net/_UploadFile/Images/file/joxavinaxilixej.pdfIn PDF document text
- http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a28264a3184---tawopumevadopizipi.pdfIn PDF document text
- https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/4ejegellfe9imlmdht3nmas5p7/dimurusogunere.pdfIn PDF document text
- http://reversetheclocknow.com/ckfinder/userfiles/files/zoxofejuwafadulaw.pdfIn PDF document text
- http://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.net/ckfinder/userfiles/files/nadamuzisigu.pdfIn PDF document text
- http://berbun.com/user_img/file/66683889987.pdfIn PDF document text
- http://www.ville-dammarie.com/ckfinder/userfiles/files/64770352348.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=cgbse+10th+blueprint+2019+pdf+downloadPDF 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_off0000d703.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD703 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ef15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF15 | 17616 bytes |
SHA-256: e8da47e23d44307a0bf53b2ba9f0d6fcdb85bfc7cff7d4a8001d0695c6102804 |
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font_02_sfnt_off00011c9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C9F | 11596 bytes |
SHA-256: a7ac0978584d01c14bdaefc32f09b0e2a1ad57508d507ebb0e645ade93069926 |
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