MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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 http://prompol.com/media/file/vulupikujariwug.pdf In PDF document text
- http://heizler.hu/files/file/foseribom.pdfIn PDF document text
- http://sicilyontable.it/userfiles/files/28371706277.pdfIn PDF document text
- http://acmemask.com/upfiles/editor/files/sawotedeva.pdfIn PDF document text
- http://omonetach.pl/foto/ilustracje/file/4047028764.pdfIn PDF document text
- http://doubles301.jp/files/ckeditor/files/86382928911.pdfIn PDF document text
- http://sostrevalli.it/userfiles/files/35574778264.pdfIn PDF document text
- http://nwatchonline.org/userfiles/file/23632574540.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613a6c2928cf6---gupokanuj.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612f2c5b9bd71---julazubaliravake.pdfIn PDF document text
- http://tnslib.tools/userfiles/files/jowikebe.pdfIn PDF document text
- http://gestaocipa.com/public_html/Imagens/file/95343848588.pdfIn PDF document text
- http://lnhaihui.com/userfiles/file/20210911165452_1797873020.pdfIn PDF document text
- http://yamamatoen-wanwan.jp/ckfinder/userfiles/files/zejesigizo.pdfIn PDF document text
- http://grandwatergatehotel.com/upfile_hotel/files/nemapikinavinanuvizix.pdfIn PDF document text
- http://annabarons.lv/files/files/setal.pdfIn PDF document text
- http://rgn2u.com/userfiles/files/risalodufalivowapopavi.pdfIn PDF document text
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/d046d925b4a7a985586fefcde2671e41/xobekodumivumukijapu.pdfIn PDF document text
- http://www.hon-ro.hu/userfiles/files/kavinafafixugosomusigus.pdfIn PDF document text
- https://nolimitscenter.be/peausitive/images/FCKeditor/file/pemufidodiji.pdfIn PDF document text
- http://escrima-rlp.de/userfiles/file/rotapal.pdfIn PDF document text
- http://apvn.info/userfiles/file/7418660476.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=the+secret+dare+to+dream+watch+online+123moviesPDF 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_off0000ae75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE75 | 11092 bytes |
SHA-256: 545a700885b3e8f5cc34d28bc5caf6acac6864e9fb5de87a64236803b5275601 |
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font_01_sfnt_off0000c858.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC858 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e06a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE06A | 15136 bytes |
SHA-256: c54c382b26d0ff2121f347468ae80f0a43d4cab8aa66e8d5cc0e18f4f0dfe30c |
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