MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded URLs, many of which point to domains associated with link farms or compromised CMS uploads, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent. While no scripts were extracted, the structure and URL patterns are consistent with a malicious PDF designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://xn--krmer-dnnebacke-1kb72b.de/files/file/87840783956.pdf In PDF document text
- http://temple.mo/userfiles/file/vafuzelosibigi.pdfIn PDF document text
- http://hophungvietnam.com/app/webroot/uploads/files/romuzawif.pdfIn PDF document text
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bcb0939921---dopegizasixove.pdfIn PDF document text
- https://digireg.nz/upload/zikixonitekov.pdfIn PDF document text
- https://www.nstoplana.rs/ckfinder/userfiles/files/92627919899.pdfIn PDF document text
- http://softwaretesting.kr/club/data/userfiles/file/20210904095138.pdfIn PDF document text
- https://stepweystudy.com/ckfinder/userfiles/files/gizederipuburelefo.pdfIn PDF document text
- http://mindatpeace.us/uploads/files/gurolilatagidigobexubikit.pdfIn PDF document text
- http://kkc1.org/htdocs/cljr/data/files/38012900800.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134f959b034c---4838305063.pdfIn PDF document text
- http://yuli-china.ru/d/files/78173390185.pdfIn PDF document text
- https://gerbangkuis.com/contents/files/guworoni.pdfIn PDF document text
- https://gadapavimenti.com/GadaFiles/file/nevamivizelodaladarun.pdfIn PDF document text
- https://bilegt.mn/userfiles/files/bamid.pdfIn PDF document text
- https://chuyennhakienvangvn.net/upload/files/3447576687.pdfIn PDF document text
- https://mobilieroccasion.fr/uploads/file/fejevibutomikemopazu.pdfIn PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/ideli446nqgtbcjnitelbp31jq/59068780165.pdfIn PDF document text
- http://koreanhotpot.com/uploads/files/jukavezigiwedagibapap.pdfIn PDF document text
- http://www.pacautomarketing.com/file/12586521509.pdfIn PDF document text
- http://internet-trade.eu/UserFiles/file/sakopisuvopimobuvepatafe.pdfIn PDF document text
- http://chinawin-consult.com/userfiles/86441976378.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=be+happy+roblox+idPDF 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_off0000b054.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB054 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c866.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC866 | 16472 bytes |
SHA-256: 3e79a87e361ce4db84a93093f22241d0fa47c51ee0e6071be9c6f569d46ef325 |
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font_02_sfnt_off0000f32c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF32C | 10528 bytes |
SHA-256: 40b3a4ae6c00584fe05f4e0f3ebf35445aa04b981e717570de1128df3a398d2f |
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