MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV detecting it as Pdf.Phishing.Trojan. The numerous embedded URLs point to compromised WordPress sites and disposable hosting, indicating a link farm designed to redirect users to malicious content. The primary attack pattern involves exploiting user trust through a seemingly legitimate document to redirect them to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://telewebmarketing.com/FCKeditor/file/bigabafamabop.pdf In PDF document text
- http://tokyoto.pl/UserFiles/file/69010585864.pdfIn PDF document text
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/93c6ffe6f432a52fd77d73060370a6aa/rejakejila.pdfIn PDF document text
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/be56f9851d321dbdbef99f9da68c1688/jerer.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/10qk0ik4eo5rafn46p51p153g1/tumilis.pdfIn PDF document text
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092210a9631a---fagokosipivupaxobavipeber.pdfIn PDF document text
- http://iccj.jp/images/uploads/fckeditor/file/wijejim.pdfIn PDF document text
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/46fadf516a98d2c2c01cfa66a83e6e51/87711026675.pdfIn PDF document text
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1609b18fc9744e---wofemenozifobevipinewarib.pdfIn PDF document text
- http://erpsamik.com/ckfinder/userfiles/files/fuzurufamum.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b5b84d8610---36217781987.pdfIn PDF document text
- https://www.temsilcifirsatlari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e6ef956cc8---jibof.pdfIn PDF document text
- http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2fdd498c34---xegomopozow.pdfIn PDF document text
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160986f2bd175f---jepola.pdfIn PDF document text
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/9f298b3a972c0d30fb8fc10104478b80/425500457.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160735f7c12684---38149151703.pdfIn PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608281d53b0d9---65525202275.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608ac7e9111f0---17379198523.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec66b0a283---45070742483.pdfIn PDF document text
- http://washchienluoc.com/upload/file/zevekatofulame.pdfIn PDF document text
- http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d1a711fe6d---zodoto.pdfIn PDF document text
- http://kovove-ploty-brany-zabradli.cz/UserFiles/File/dexibubafivanorarum.pdfIn PDF document text
- http://aep-tc.com/cache/fck_files/file/74158573867.pdfIn PDF document text
- https://aadharshilaschool.org/userfiles/file/24925749176.pdfIn PDF document text
- http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/160898d8b73a04---sosubaruvubed.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/c97ed2604ee40ff83e39eafb6c74eb0b/wararuze.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=authority+and+the+individual+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_off00010292.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10292 | 10688 bytes |
SHA-256: cd439a5bb6036fafdfb070d3c7b2fdc9eef4793e9c58b16fe9cf6d224b01018f |
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font_01_sfnt_off00011b0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B0E | 17360 bytes |
SHA-256: a8b26fa5cb994510bf13e62a14ecdcb7353a9fb8a919f0a7c4a11ede1bcaf93a |
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font_02_sfnt_off00014867.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14867 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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