MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised CMS uploads and disposable hosting, indicative of a link farm designed for phishing or malware distribution. ClamAV and ML classifiers strongly indicate maliciousness, with the primary attack pattern being the redirection of users through a network of URLs. No scripts were extracted, but the structure and URL analysis strongly suggest a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/4e1f9fdf84ed455139b155bb0c8cf0c9/70783497107.pdf In PDF document text
- http://www.civilhospitalpalampur.in/img/uploads/files/fugupufagubotibupojirola.pdfIn PDF document text
- http://www.oteliapelsin.ru/ckfinder/userfiles/files/podusugefofixomatopufi.pdfIn PDF document text
- http://computerdoki.hu/user/file/jifososurinakegisozuta.pdfIn PDF document text
- http://movitecnic.fr/ressource/site-image/files/80106558992.pdfIn PDF document text
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140926abacbf---57772351713.pdfIn PDF document text
- https://baongochoa.com/upload/file/fufemaxipupedaf.pdfIn PDF document text
- http://firewaterdamagedfw.com/test/fckeditor/uploadfiles/file/24248063463.pdfIn PDF document text
- http://noithatnhapkhaugiasi.com/luutru/files/jaxuxusimub.pdfIn PDF document text
- http://smsalumni1971.com/apadmin/uploads/userfiles/files/kipaduxuluneletowaxef.pdfIn PDF document text
- http://nenayu.com/filespath/files/20210902043013.pdfIn PDF document text
- http://lahma.pl/_u/userfiles/file/94753077480.pdfIn PDF document text
- https://3drm.bg/uploads/pictures/files/pivisusuw.pdfIn PDF document text
- http://kanomax-nsk.ru/images/73782214872.pdfIn PDF document text
- http://mylodge-naoshima.com/images/blog/file/neratefesemedep.pdfIn PDF document text
- https://korzo-galeria.hu/files/file/77540342937.pdfIn PDF document text
- http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/bfecbde504678a2ba48056769550ce6c/wisemukijixurusapuve.pdfIn PDF document text
- http://thanhlapcongtykiengiang.com/upload/ck/files/buzukarikigil.pdfIn PDF document text
- https://ans5680.preneed91.com/upload/files/kajebokujalawexap.pdfIn PDF document text
- http://yuc-fac.com/uploadfiles/20210907124402.pdfIn PDF document text
- http://xsjsbzrw.com/uploads/files/zesavazutusaxomur.pdfIn PDF document text
- http://yyfxsw.com/upload/files/50106595783.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=wii+remote+emulator+androidPDF 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_off0000cbc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBC9 | 19948 bytes |
SHA-256: 21066f7a3f5bafbc4f137ab0878ac44e181767f4a60c48e1d22fc60cec49e7af |
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font_01_sfnt_off0000fefb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEFB | 10336 bytes |
SHA-256: 537f4f699dc131a7da786514994f60ec980e89929c33d6909b1f37e13e56aba7 |
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font_02_sfnt_off00011645.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11645 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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