MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Several heuristics point to the document functioning as a link farm, directing users to potentially compromised WordPress upload storage and other disposable hosting sites. The embedded URLs, while some are marked benign, are part of a larger pattern of redirecting users to unknown PDF files, suggesting a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613126f1bd3d3---zamazovijudepobovo.pdf In PDF document text
- https://prana.video/wp-content/plugins/super-forms/uploads/php/files/oq9lkn25u62ulopslma5mprper/muwijepalam.pdfIn PDF document text
- http://tion.hu/upload/file/45745443011.pdfIn PDF document text
- http://vps73.juicy-group.com/editor_upload_image/file/feretapedisenofukimim.pdfIn PDF document text
- https://altonika.pro/files/fck/file/visimotunutejizamamamadit.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140f0f520f0e---kujitutaso.pdfIn PDF document text
- http://ventilatoryzlin.cz/images/file/26720600692.pdfIn PDF document text
- http://evevoyance.fr/adh/.-/file/65889919871.pdfIn PDF document text
- http://shukokai-voves.fr/userfiles/file/69791751877.pdfIn PDF document text
- https://sabunwangi.com/contents/files/noxuwukemusareno.pdfIn PDF document text
- https://www.q-jin.ne.jp/ckfinder/userfiles/files/52923774729.pdfIn PDF document text
- http://ippon.lv/uploads/File/87050321587.pdfIn PDF document text
- http://hai-bi.com/uploads/files/202109051456357588.pdfIn PDF document text
- http://thayloilocnuoctaihanoi.net/upload/files/xotixipedon.pdfIn PDF document text
- http://kco.su/userfiles/file/penulelubaxefozeloxokofa.pdfIn PDF document text
- http://amsaneeraus.fi/userfiles/files/68464980438.pdfIn PDF document text
- https://pottoka.info/files/galeria/files/25076889433.pdfIn PDF document text
- https://ibshospitals.com/userfiles/file/61933388110.pdfIn PDF document text
- http://molenat-energies.fr/molenat.com/images/editor/file/5839013605.pdfIn PDF document text
- http://abcbyspu.net/ckfinder/images_store/files/tejunidapag.pdfIn PDF document text
- http://khangvietdn.com/uploads/file/zunimapunekavonog.pdfIn PDF document text
- https://mundolibre.cl/uploads/userfiles/files/kuvumupoxineluzoruriban.pdfIn PDF document text
- https://hgqq.hk/tony/churchofgod/ckfinder/userfiles/files/71118231126.pdfIn PDF document text
- http://china-guolin.com/filespath/files/20210910183722.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=mortal+kombat+game+for+android+apkPDF 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_off0000be06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE06 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d61d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD61D | 10900 bytes |
SHA-256: b66c9676914f3eb21dea11a13e21fe193f891ce8316de54486065c5597a267d8 |
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font_02_sfnt_off0000eee2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEE2 | 17924 bytes |
SHA-256: 674ea065310536b40af780472532fea4384a6377452af0bb8c4e94c1a1e64783 |
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