MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as a malicious PDF by ClamAV and an ML classifier. It contains numerous links to external websites, many of which are hosted on compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users. The presence of these links indicates an attempt to lead users to malicious content, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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.dars.bg/ckfinder/userfiles/files/18946135697.pdf In PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081714e8b65a---32421412729.pdfIn PDF document text
- https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/9f8045b8db76f4bf2621b4a9ad46cbfe/wobav.pdfIn PDF document text
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/160a0b71804275---68113606738.pdfIn PDF document text
- http://rentbucharest.net/images/userfiles/48277054443.pdfIn PDF document text
- http://canoto.us/Images_upload/files/39463136806.pdfIn PDF document text
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1608679b169f48---59912663593.pdfIn PDF document text
- http://londonjip.com/userData/board/file/15066988299.pdfIn PDF document text
- http://cnzgks.com/userfiles/file///fisow.pdfIn PDF document text
- https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/d2fab16a402cc57ba55de0d54f379b2c/22655506777.pdfIn PDF document text
- http://matsusushionline.com/uploads/files/12233373675.pdfIn PDF document text
- http://ackerviewguesthouse.com/userfiles/file/fusinilipawod.pdfIn PDF document text
- http://ceresasrl.it/userfiles/files/94515876391.pdfIn PDF document text
- http://gintaras.cz/userfiles/file/konak.pdfIn PDF document text
- http://florylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/75764140528.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/16106118f58051---woxagegepubavagezabaguvix.pdfIn PDF document text
- http://edgewood1962.com/clients/2/2b/2b25cacec04995aba37d275b9c35b4d1/File/51792060202.pdfIn PDF document text
- http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/1r2jm498rf6rvh15dne7ras38o/72346288152.pdfIn PDF document text
- http://twothirdsmajority.us/clients/38522/File/tuzanafekuseserurokilote.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/16094147ac6a69---fasegu.pdfIn PDF document text
- http://cauthinh.com/luutru/files/52080258480.pdfIn PDF document text
- https://szabobuszberles.hu/files/files/porijiw.pdfIn PDF document text
- https://www.basur-tedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073481168b13---38510016342.pdfIn PDF document text
- https://feldmann-spedition.de/pics/userfiles/file/monomejalezomix.pdfIn PDF document text
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/c9d7d35849bd59a4fc182aaaccc15cf5/kedetixatepalufolifegelen.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=que+es+sentido+literal+y+figurado+para+ni%C3%B1osPDF 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_off0000ff8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF8F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000117a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117A1 | 21600 bytes |
SHA-256: 71d2cb00269bae9fef8d3343e09bccb1e4e0c3afd08d945879083badedcada49 |
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font_02_sfnt_off00014eb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14EB9 | 11152 bytes |
SHA-256: 5881fa08aa4d7f9e4b60af8f547486ee6c667de55761aaba5c7487ddbadcfc29 |
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