MALICIOUS
212
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF contains embedded JavaScript and numerous links to external sites, many hosted on compromised WordPress installations. The presence of a 'download button' heuristic and the ClamAV detection strongly suggest a malicious intent to trick the user into downloading a further payload. The embedded JavaScript likely facilitates the redirection or download process.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 9
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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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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 http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afba7833605---68042115216.pdf In PDF document text
- http://veterinarioassociatopacinidallatorre.eu/userfiles/files/suzoba.pdfIn PDF document text
- https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/64867d4c02b30c8647fb027241eedbc5/difituzatodutujawoxete.pdfIn PDF document text
- http://www.mananthavadynorbertines.org/www/js/ckfinder/userfiles/files/wozojulun.pdfIn PDF document text
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609bedc22c077---98478290904.pdfIn PDF document text
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/4clullh85s2en6p0okga6bb28b/3296160808.pdfIn PDF document text
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/e95efdb76233ec7b930a94e5010e4a82/fesulazisuzuge.pdfIn PDF document text
- https://www.babetravelling.com/ckfinder/userfiles2/files/jidamajiboj.pdfIn PDF document text
- https://grandhotelbulgaria.com/userfiles/file/79832623633.pdfIn PDF document text
- https://dptech.vn/uploads/files/93570380532.pdfIn PDF document text
- http://toyotarent.hk/FileData/ckfinder/files/20210816_A5584ED337FBFAE0.pdfIn PDF document text
- http://bbbswalkforkids.com/clients/c/cf/cf8d0549bdc9bbdffca8bc0db9808b96/File/23369281700.pdfIn PDF document text
- https://securityguardsupply.org/php/uploads/file/dibowavadilevadugomekuk.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160aa08a6be083---jewesilewobexosomaba.pdfIn PDF document text
- https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/c50e3f514e030cea649eb664003fee4e/fanekir.pdfIn PDF document text
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090b63931287---nifofib.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160e179816eab3---23302548687.pdfIn PDF document text
- http://reversetheclocknow.com/ckfinder/userfiles/files/tujikidisosusuvatupex.pdfIn PDF document text
- http://starke.ca/clients/84205/File/30668632011.pdfIn PDF document text
- http://elitaliaweb.it/upload/file/lukexevabaluxusasupometok.pdfIn PDF document text
- https://vibanghanoi.com/uploads/files/xowafowesububopatin.pdfIn PDF document text
- https://nhatngudongkinh.com/upload/ckupload/files/66469754482.pdfIn PDF document text
- https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607a438007ff0---46210742814.pdfIn PDF document text
- https://faceless.me/userfiles/files/10777693058.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=bank+soal+matematika+kelas+4+sd+pdfPDF link annotation
- https://mediacentre.heathrow.com/js/ckfinder/userfiles/files/ragisosowabilomefododefu.pdfIn PDF document text
- 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_off0000e013.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE013 | 10780 bytes |
SHA-256: 5530c5905d05b51895f4033ef971e78d9a5f27fe173dac79aceaa4ea738c881c |
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font_01_sfnt_off0000f8f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8F1 | 18764 bytes |
SHA-256: db21de1a2bd6b7912227baddad490d934e9a031ce10d4b4fe3ceb7909d1efc70 |
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font_02_sfnt_off000129e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129E5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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