MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, many pointing to compromised CMS uploads or disposable hosting, indicative of a link farm used for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent. No scripts were extracted, but the structure and URLs point to a common tactic of using malicious links within documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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 https://pistant.ru/uplcv?utm_term=games+for+ppsspp+emulator+android+download PDF link annotation
- http://gangwonbnb.com/FileData/ckfinder/files/20210918_5ACA228230570FF5.pdfIn PDF document text
- http://topoint.net/userfiles/fckFile/20210904175814.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16140087551673---41011292084.pdfIn PDF document text
- http://cuanhuaabshanquoc.vn/files/wuvozatate.pdfIn PDF document text
- http://tingchucontrol.com/Uploadfiles/files/lipaxunuwinudezonu.pdfIn PDF document text
- https://hanoihome.net/img_duhoc/files/99627004864.pdfIn PDF document text
- https://portalkucharski.pl/app/webroot/media/files/98682251846.pdfIn PDF document text
- http://dobermanncz.eu/files/xivavaketetanunalov.pdfIn PDF document text
- http://chothuexeninhbinh.net/data/dulieu/files/42023411559.pdfIn PDF document text
- http://klientskazona.radeton.sk/ckfinder/userfiles/files/30066728713.pdfIn PDF document text
- https://xcheck.vn/uploads/userfiles/file/18988129815.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/jkbirghbujhunpjlt36580vu87/fapelidedu.pdfIn PDF document text
- http://studioassociatoemc.com/userfiles/files/reporumudobofesulavob.pdfIn PDF document text
- https://ntct-dz.com/ckfinder/userfiles/files/96068564293.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed5532da8b---xevafob.pdfIn PDF document text
- http://starroadchina.com/userfiles/file/75177766238.pdfIn PDF document text
- http://kindergartenhelden.at/upload/file/fukewurorunojo.pdfIn PDF document text
- https://atrax.hr/files/wileg.pdfIn PDF document text
- http://gabinetpro.gabinetpro.pl/kosmetyczka/krakow/files/34990970497.pdfIn PDF document text
- http://www.dfdtrading.sk/ckfinder/userfiles/files/42385620537.pdfIn PDF document text
- http://thevisionkharj.com/userfiles/files/gufuvexisegerodonukob.pdfIn PDF document text
- http://papinchess.ru/userfiles/file/xuvexexakitoxedani.pdfIn PDF document text
- http://magogaralbamoble.com/galeria/files/nugikiruvoxe.pdfIn PDF document text
- http://ekhoron21.mn/uploads/files/lulitumufazop.pdfIn PDF document text
- 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_off0000dc09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC09 | 10884 bytes |
SHA-256: 80ba74f6203c8800fb03da93df4bc049aaca84baa9f2d985d0829a9e6a5d9104 |
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font_01_sfnt_off0000f53b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF53B | 17756 bytes |
SHA-256: 60ab715faed00575056d565949044c18fbdb2232168d99c3ad799bce5ceaf4dd |
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font_02_sfnt_off00012310.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12310 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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