MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan. The heuristics indicate a malformed exploit stream and that the document functions as a link farm, pointing to multiple compromised or disposable hosting sites. The ML classifier also flagged it as malicious. The presence of numerous external URIs, many of which are hosted on potentially compromised or disposable domains, suggests an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.5873
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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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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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://dragonera.cn/admin/userfiles/file/dugalepido.pdf In PDF document text
- https://ms2gacor.com/contents/files/53883171535.pdfIn PDF document text
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/e402f9ea5453fbaeb93efb7301cf9612/52750456148.pdfIn PDF document text
- https://proxkimya.com/resimler/files/7126769610.pdfIn PDF document text
- http://rockbond-aac.com/id-admin/fckImages/file/nasejajuzidapabi.pdfIn PDF document text
- http://aliguoriarchitetto.eu/userfiles/files/42863153577.pdfIn PDF document text
- https://saintarseny.ca/sites/saintarseny.ca/files/file/fijufijabezadanut.pdfIn PDF document text
- https://naveenent.com/administrator/imagetemp/file/46678990166.pdfIn PDF document text
- http://dvg.asia/ckfinder/uploadfiles/files/38619351242.pdfIn PDF document text
- http://ptichile.cl/userfiles/file/pawibupogoxidipeniwemam.pdfIn PDF document text
- http://gldbirdgel.com/user_img/files/79605197313.pdfIn PDF document text
- https://illinoisfiscalpolicycouncil.org/app/webroot/userfiles/file/63439005174.pdfIn PDF document text
- https://lighthousemacau.com/html_upload/file/89042454263.pdfIn PDF document text
- http://coumert.com/images/file/tokekigut.pdfIn PDF document text
- http://ibconsulting.it/userfiles/files/zonevinebiwuwi.pdfIn PDF document text
- http://pr-jam.com/ckfinder/userfiles/files/pigexuto.pdfIn PDF document text
- https://www.traitagri-solutions-alternatives.fr/ckfinder/userfiles/files/fakofakipolatuse.pdfIn PDF document text
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/11018cd885ba7c8ff5148a8e5957c629/84242398788.pdfIn PDF document text
- http://kingsfinancialconsulting.com/userfiles/file/95045208439.pdfIn PDF document text
- http://velkoobchod-man.eu/ckfinder/userfiles/files/luxopotegun.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/fssqcpj9bnqsqfc46mg3ii4r58/romajomez.pdfIn PDF document text
- http://mottaing.eu/userfiles/files/sogaxabetetanabavijejote.pdfIn PDF document text
- https://profix.fr/ckfinder/userfiles/files/wigafupo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=completing+the+square+formula+calculatorPDF link annotation
- http://www.thaiticketmajor.com/static/imgUpload/files/jedilisipoxuwod.pdfIn 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_off0000b948.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB948 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d15f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD15F | 11204 bytes |
SHA-256: a9ff6a0a1c474daac2a3b1f2a9768a56680dbd2313466efaf36bb9e49df7c112 |
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font_02_sfnt_off0000eb13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB13 | 17072 bytes |
SHA-256: d421360e59dfc0cfeaa783c1dc22a6e0c985881662a1ce54f762971828e8ce31 |
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