MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded JavaScript indicates an attempt to execute code within the PDF viewer.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/iunu04msfrsp6jjmu65m7svkj7/dokidativorepurinil.pdf In PDF document text
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c30886dce31---davosuzisuwuderorivu.pdfIn PDF document text
- http://cutencuddlybreedables.com/_images/file/kirogiw.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b59a399883---42289623110.pdfIn PDF document text
- http://eastmoorclassof1970.com/clients/4/43/4343e427eb1b0a0668350338a4d6b623/File/kezijapegamemimukasepelag.pdfIn PDF document text
- http://associatedreclaimed.com/userfiles/files/bimojixosigavisiguvu.pdfIn PDF document text
- http://win-sonic.com/kida2018/ck_imgs/files/guludetejuw.pdfIn PDF document text
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608274cdb341a---devufobedonuban.pdfIn PDF document text
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/hfh4q5d3rb1kee4oha11e8bctq/19051782696.pdfIn PDF document text
- https://serka.com/serka/upload/files/fifekejigolerugako.pdfIn PDF document text
- https://nguyenthelong.net/userfiles/files/wikesujowuwedinetoga.pdfIn PDF document text
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/d00b50431e4fd3a7a73b9372f676d7d1/vunoxixojimawapesurozaz.pdfIn PDF document text
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c1c2af1c5cc---40975985845.pdfIn PDF document text
- http://technoculture.cz/admin/upload/file/winomesitixiwivivuj.pdfIn PDF document text
- http://sbnjl.com/userfiles/files/48678555882.pdfIn PDF document text
- https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/adfd6ecf1e41ba6939f8e78a210f8667/lobesokesebifapef.pdfIn PDF document text
- https://mecaniquekd.ca/upload/file/lenitujeve.pdfIn PDF document text
- http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/38445154683.pdfIn PDF document text
- http://tt-ural.su/admin/ckfinder/userfiles/files/jenoga.pdfIn PDF document text
- http://bitite.lv/media/txt/122/file/88592221978.pdfIn PDF document text
- http://geredekombiservisi.com/userfiles/file/83958773225.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/50b11f5fe5a0722460f447165940366a/jorovowododan.pdfIn PDF document text
- https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/8inuc0lp2ukfdevuonfufvht32/mojijatepag.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cda7b3a1dd---tamigu.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a013847153a---gatadupuna.pdfIn PDF document text
- http://arcadia1973reunion.com/clients/3/33/33cb7023d77084166ed027ca16b579b7/File/73515936936.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=3rd+metatarsal+fracture+icd+10PDF 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_off000104e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104E1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011cf3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CF3 | 17784 bytes |
SHA-256: 8a050c425434f3e013a85199b5cbbbaf146fac4067fe070f8c51f54f63a17c81 |
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font_02_sfnt_off00014bee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14BEE | 10760 bytes |
SHA-256: fb9459af58f7308b19fa8f7f80d8f90f9a8af8448f1d4baf728b24ed6e8a169c |
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