MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the presence of numerous external links strongly supports the link farm attack pattern.
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 http://upoart.com/ckfinder/userfiles/files/75638169126.pdf In PDF document text
- https://egc.ecrom.work/syo/files/4280815090.pdfIn PDF document text
- https://kermiradiatoriai.lt/images/files/27713308660.pdfIn PDF document text
- http://rklatex.com/userfiles/file/89296828950.pdfIn PDF document text
- http://gearcon-eng.com/file_media/file_image/file/13670548300.pdfIn PDF document text
- https://digicpictures.com/downloads/tamivemokidukufu.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/xijejiteruma.pdfIn PDF document text
- http://tamtamphat.com/upload/files/49525067583.pdfIn PDF document text
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/a7aa7c483f675d5e862c0c6ae22361bf/49717948920.pdfIn PDF document text
- http://gibisch.info/files/files/90171764511.pdfIn PDF document text
- https://quasar.mago.ro/ckfinder/userfiles/files/zitepojupojemoso.pdfIn PDF document text
- http://9y.bfage.com/upload/files/20210901233819.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/a7sdt2l7d0cpl0nonpdboefknv/18694303386.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161305a0bd99b3---varamolev.pdfIn PDF document text
- https://ebal.ro/app/webroot/files/userfiles/files/jebukiw.pdfIn PDF document text
- http://studiopetrilli.it/userfiles/files/fakozi.pdfIn PDF document text
- http://studioambienteterritorio.it/userfiles/files/24372458522.pdfIn PDF document text
- https://fullgame.hu/uploads/files/vezerome.pdfIn PDF document text
- https://fajanav.com/aym_image/files/51144115860.pdfIn PDF document text
- https://ijp2.com/contents/files/fewefokevotitare.pdfIn PDF document text
- https://synersys.fr/contenu/file/78320513931.pdfIn PDF document text
- http://bernendorf.ru/userfiles/file/xububaxomugar.pdfIn PDF document text
- http://bluestandard.pl/ckfinder/userfiles/files/68112190543.pdfIn PDF document text
- https://mamap.in/ci/userfiles/files/13825502402.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=pool+billiard+mod+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_off0000b924.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB924 | 16324 bytes |
SHA-256: fc108a9ae5fac2e4bc297e824706448d33e8873980a0b6568e53406a3b064948 |
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font_01_sfnt_off0000e333.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE333 | 10284 bytes |
SHA-256: 90d55928d56d510c675e5264f4b980c710c72b77532683b3ac57f724b20f9c30 |
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font_02_sfnt_off0000fa03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA03 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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