MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains numerous links to external PDF files hosted on compromised or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this. Although no scripts were explicitly extracted, the PDF structure itself likely contains embedded JavaScript to facilitate the redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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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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://apexhealthnutrition.com/newerac2c/userfiles/file/55036470261.pdf In PDF document text
- http://asesorgubernamental.com/images/file/79583555318.pdfIn PDF document text
- http://aggengr.com/uploads/CMS/file/18450242423.pdfIn PDF document text
- https://allcreaturesinc.com/files/files/kopubuf.pdfIn PDF document text
- http://aps-mes.com/files/file/kekafuw.pdfIn PDF document text
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/de20d93604fa7348dd5692a40dc49ea5/rutupuravejedediwiraf.pdfIn PDF document text
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5bc2b57e18---37896264856.pdfIn PDF document text
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160d6521c530ff---22385000652.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dd9dbada40---gowafopuvuvej.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/qavccljsv4n5hqlkt66voggt72/1630180815.pdfIn PDF document text
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/b62ec9372ee5566e859433f279b115c2/juvelabufefawove.pdfIn PDF document text
- http://tortsurprise.ru/upload/redactor/files/logapijov.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/73dd4130eeb8d519c2708655ead862dc/basewakixamapa.pdfIn PDF document text
- http://tpokebar.com/uploads/files/jogewukafivamidunaf.pdfIn PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607837d45c207---jabosawamifovozegi.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16096475ace698---76985499598.pdfIn PDF document text
- https://waroproject.com/file/jimutixatujirakefavisafe.pdfIn PDF document text
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/93334420e5f28b484dfabb52fd698fb8/fezitidom.pdfIn PDF document text
- http://pressvaluation.net/userfiles/file/kabutozuloduriwon.pdfIn PDF document text
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/b4uuvdq0sgairgappu1acimfc4/97732907926.pdfIn PDF document text
- https://otartufo.com/ckfinder/tartufofiles/files/33496331522.pdfIn PDF document text
- http://massageindex.nl/images/uploads/suzakaditaxome.pdfIn PDF document text
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/6287d79aad129c8544f5d1df641786ec/difudolulerezovuxixuduwin.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/0a39cef6e7713f38f9bc913ae0aae71e/23458301556.pdfIn PDF document text
- http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/34t7enqke90abajmruf3nocjhl/nuborajev.pdfIn PDF document text
- http://coral-travel66.ru/admin/ckfinder/userfiles/files/2764288350.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=sakshi+daily+current+affairs+in+teluguPDF 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_off0000d1dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1DC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e9ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9EE | 17256 bytes |
SHA-256: 024d3921c55f7600967d8269af13e69197b19a6071c42427f775103bfd05df9c |
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font_02_sfnt_off0001164d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1164D | 11016 bytes |
SHA-256: cf2f7e7ba7ce8e3bc643d9323efcfc80b28a0e5d6995d5f73a039ee6332c51ed |
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