MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised WordPress upload storage and disposable hosting, indicative of a link farm used for phishing or malware distribution. ClamAV detection and ML classification further support its malicious nature. The embedded URLs are likely part of a campaign to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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 http://archi1919.com/smlclub-files/file/lurokeje.pdf In PDF document text
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/02c05b38485f927986ba30b043e41f31/98879549882.pdfIn PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608d406e3099f---89154117061.pdfIn PDF document text
- http://tahi.hu/ckfinder/userfiles/files/35721872986.pdfIn PDF document text
- http://computerdoki.hu/user/file/83963600352.pdfIn PDF document text
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/c2b8b888ee07deac607cbf16b187d6c5/62352326391.pdfIn PDF document text
- http://kraski-chernila.ru/resources/file/kexigop.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160ad81e40dab1---22243272676.pdfIn PDF document text
- https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/5ba6985c67e1faeac6e2eb71efd6e8d8/rorelipo.pdfIn PDF document text
- https://bancodevida.com/bancodevida/admin/images/image/file/jogawumajawad.pdfIn PDF document text
- https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/ffrp8tbb5uarlskkvfa45q2lta/23617576207.pdfIn PDF document text
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160eca981ee223---refufobenisen.pdfIn PDF document text
- https://curvy.tw/upload/files/65853163061.pdfIn PDF document text
- http://benjamin1908.com/clients/f/f4/f4560e3fe432b95d15e234f900dec36a/File/pufukuzujakamuzotosife.pdfIn PDF document text
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160827ed8c3b77---tivafarez.pdfIn PDF document text
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/160b9c79130111---fegutudexusopitivebon.pdfIn PDF document text
- https://lesura.net/userfiles/file/52743843671.pdfIn PDF document text
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/75ansdh4i0jmpju1fod5hs8o0t/47062287960.pdfIn PDF document text
- https://maturana.cl/upload/file/21467782371.pdfIn PDF document text
- http://yishiweb.com/upfiles/files/20210530_013657.pdfIn PDF document text
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfb62230a14---viwexu.pdfIn PDF document text
- https://www.helmmsp.ca/wp-content/plugins/super-forms/uploads/php/files/1391dabcb13abf04847e4bd9ae7ebc99/63045144571.pdfIn PDF document text
- http://billsky.ee/files/file/23029798989.pdfIn PDF document text
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/109a61c8b08c1fe20f96600c576ee5f0/76644434407.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c53b977aaa---sixefafutemi.pdfIn PDF document text
- http://daugiavanthienphuoc.com/media/ftp/file/fusurarebewateg.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=charter+school+cary+ncPDF 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_off0000eec7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEC7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000106de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106DE | 10380 bytes |
SHA-256: ebb5b07f3ce345c30f1a66da876f94672dd8656c80953bf668fa7da1f4fbb629 |
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font_02_sfnt_off00011e67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E67 | 17188 bytes |
SHA-256: 74b54f1d8870e1c5bd18d4770a54a8fa16a53282ed3d4c61b77219a35a403966 |
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