MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, many pointing to compromised websites or disposable domains, suggesting a link farm designed to redirect users to malicious content. No scripts were extracted, but the structure and URL analysis strongly indicate a phishing or SEO manipulation attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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 http://tpt.taipei/asset/uploads/files/21835582008.pdf In PDF document text
- http://inica.org/files/file///55566225067.pdfIn PDF document text
- https://nguyenthelong.net/userfiles/files/94293853324.pdfIn PDF document text
- http://cosmeticdermatologymiamibeach.com/uploads/data/files/titifudofopijigimesasu.pdfIn PDF document text
- https://asiahealthcaredentalcentre.com/ckfinder/userfiles/files/60253970181.pdfIn PDF document text
- http://madinaboys.com/easydo%20v2.00/files/uploads/86055985227.pdfIn PDF document text
- http://aesg2edcv.handylover.com/upload/files/tijem.pdfIn PDF document text
- http://sovaimm.it/userfiles/files/pazinajaludaromewewigom.pdfIn PDF document text
- https://chambres-hotes-aube-bleue.fr/userfiles/file/fujonidenexidubijepukajim.pdfIn PDF document text
- http://peak-experience-europe.com/images/blog/file/xefogo.pdfIn PDF document text
- http://dreamcatcherltd.com/userfiles/file/lunumuroni.pdfIn PDF document text
- https://datxeninhbinh.com/data/dulieu/files/pekowuvariparibumarila.pdfIn PDF document text
- http://ghibms.com/userfiles/files/fapubibagusijipitutew.pdfIn PDF document text
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/5b7b9d1bcb2a5bcbef624f8b01ec3ad6/sozegisu.pdfIn PDF document text
- http://ugyvednok.hu/userfiles/file/37515909587.pdfIn PDF document text
- https://sindonis.com/userfiles/file/seximir.pdfIn PDF document text
- http://roberthalasz.eu/uploads/file/85231502253.pdfIn PDF document text
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/a112cce28a30dfd0464f55c818264a2a/7906140059.pdfIn PDF document text
- https://topconta.ro/userfiles/file/19187924106.pdfIn PDF document text
- http://happyland-nsk.net/ckfinder/userfiles/files/44641482426.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/16144f385d51bc---xozimev.pdfIn PDF document text
- https://www.rapn.ru/ckfinder/userfiles/files/13913053136.pdfIn PDF document text
- http://www.likoda.com.tw/upload/ckimg/files/jegosasovibakegimuser.pdfIn PDF document text
- https://nppgursaraijhansi.in/ckfinder/userfiles/files/firoragagutegipikebobesi.pdfIn PDF document text
- http://mcserpenti.com/userfiles/file/bobeb.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=bowmasters+mod+iosPDF 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_off0000d13b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD13B | 16932 bytes |
SHA-256: 6b2cf0129e08d2e0854c858124632f0bc8a9f5bb6b761408809d1f4bdba9fde6 |
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font_01_sfnt_off0000fd66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD66 | 10396 bytes |
SHA-256: d00b88368aa104267153a17aa787408c1f3c528b0a78ce9e5b86d78222b5658c |
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font_02_sfnt_off00011510.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11510 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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