MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised CMS upload directories and disposable hosting, indicative of a link farm used for phishing or malware distribution. ClamAV and ML classifiers also flagged this PDF as malicious. The presence of multiple external URIs and link farms strongly suggests a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://xn--z4qq44i.xn--kpry57d/upload/actfiles/51795881808.pdf In PDF document text
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/lqr6ejhk69q561ah3igsvkvjoe/4128680117.pdfIn PDF document text
- http://grandchainfamilyfoundation.org/clients/85333/File/lupiwelugagoli.pdfIn PDF document text
- http://art-lan.ru/uploads/assets/file/nomirivemirefuxina.pdfIn PDF document text
- http://gibkrakow.pl/uploads/files/jejuxosafanigidovivuxu.pdfIn PDF document text
- http://www.mediagrand.hu/data/editorfile/dijitexa.pdfIn PDF document text
- http://www.tlo.ntou.edu.tw/ckfinder/userfiles/files/newedimijagorujogofudalu.pdfIn PDF document text
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609a805f34912---rusazaxife.pdfIn PDF document text
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7c090af14b---fowivewu.pdfIn PDF document text
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1608228a998bf1---41080379650.pdfIn PDF document text
- http://jrmhandling.nl/upload/file/94443521007.pdfIn PDF document text
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cbf0ad0c6ab---rilatuwipaxoralikazudu.pdfIn PDF document text
- https://intervalhousehamilton.org/ckfinder/userfiles/files/88391450164.pdfIn PDF document text
- https://navoloki.mebel18.com/uploads/files/65460408285.pdfIn PDF document text
- http://ahknchem.com/upload/files/lasakibuzevisojefeditus.pdfIn PDF document text
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/8qdo7t81j0ogjpaeej9cafj0a9/62550484059.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609666931ad46---nawosisogikabenalajewarep.pdfIn PDF document text
- http://citysuji.com/ckfinder/userfiles/files/88144186348.pdfIn PDF document text
- http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/no30l3rtnv1tj4hbj5dhrugk66/41938689706.pdfIn PDF document text
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/8bd872f0171d42cc721cf7fe8697548b/62568939021.pdfIn PDF document text
- http://adveotec.com/img/file/tugopuzizek.pdfIn PDF document text
- https://abofahed.com/userfiles/file/bozidinukexib.pdfIn PDF document text
- https://menuiserie-sainte-anne.fr/userfiles/file/dapeti.pdfIn PDF document text
- http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608fbd565a1f8---50442636232.pdfIn PDF document text
- https://dammesliepas.lv/ckfinder/userfiles/files/jovodufujuvaretojodivujo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=out+of+my+mind+book+charactersPDF 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_off0000f8ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8EF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011106.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11106 | 11168 bytes |
SHA-256: 17e153ba98b4d52ca53a2f46e71421d2f63c7e5302577060db37be717e9555b7 |
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font_02_sfnt_off00012b07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B07 | 16296 bytes |
SHA-256: 730166c094e9c57f5e04b6c5d42241d5e0cb9c0d468bf3a2990b5e3e8ecb91e1 |
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