MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, suggesting a link farm designed to obscure the final destination. The presence of these link farms and the overall detection as a phishing trojan indicate an attempt to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://peisheng.org/uploads/ckfiles/files/61343f561e43e.pdf In PDF document text
- http://techbis.pl/files/file/72476668953.pdfIn PDF document text
- http://ukrainski-rosyjski.pl/userfiles/file/70713514976.pdfIn PDF document text
- http://abw10thstreetne.com/uploads/files/maziwunewuvexowebekur.pdfIn PDF document text
- http://splogservice.ru/content/file/xubejesufiramuduziwat.pdfIn PDF document text
- https://kiptep.ru/file/didaxon.pdfIn PDF document text
- https://www.hkha.com.hk/ckfinder/userfiles/files/vageniletubajev.pdfIn PDF document text
- http://wrtour.com/FileData/ckfinder/files/20210908_03546B1ED95042CE.pdfIn PDF document text
- http://wwpokebar.com/uploads/files/fizewuzuduna.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613479ed6bd97---16836783336.pdfIn PDF document text
- http://antichigelsi.it/userfiles/files/tawijejanolibonelivu.pdfIn PDF document text
- https://eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/67763988182.pdfIn PDF document text
- http://wellogo.in/userfiles/file///kiromulidarur.pdfIn PDF document text
- http://albino-pitti.com/pub_img/file/fopaguvulozifazixose.pdfIn PDF document text
- http://duocthientam.com/uploads/ckfinder/files/27566936993.pdfIn PDF document text
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/e116a390f43e17ffe7dacc25b99365e3/650695336.pdfIn PDF document text
- http://jezirka-biobazeny.cz/UserFiles/File/ruxexefegevujaranufi.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/161356cc095940---wudedewobike.pdfIn PDF document text
- http://0851gay.org/userfiles/202109file/2021090819595870554.pdfIn PDF document text
- http://erfaspot.com/resimler/files/30220108661.pdfIn PDF document text
- https://fotoprint.lv/downloads/file/75555457878.pdfIn PDF document text
- http://rts-3.ru/upload/files/nefapirafabe.pdfIn PDF document text
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161353adb3ac90---6494004131.pdfIn PDF document text
- https://amoslodge10-org.alljobsinliberia.com/ckfinder/userfiles/files/pibadoze.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=orient+65+inch+led+price+in+pakistanPDF 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_off0000efc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFC5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000107d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107D7 | 18920 bytes |
SHA-256: 6afa3516108f3d1c1880b24ea67457d9c0cb6e713c97865437319ef8da8e0308 |
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font_02_sfnt_off00013948.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13948 | 10912 bytes |
SHA-256: 5c9522d40a9e15d0c44efc0243551582de61015bb03db94eea3337f82b022d29 |
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