MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to potentially compromised websites or disposable hosting, indicative of a link farm used for phishing or malware distribution. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or trojan delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://bluebossa.pl/files/file/25679991398.pdf In PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161397a8e00a8c---86394075321.pdfIn PDF document text
- https://marwaautorepair.com/nbloom/fckuploads/file/9291330664.pdfIn PDF document text
- http://savytrading.com/userfiles/file/2237067824.pdfIn PDF document text
- http://ezclasssites.com/var/wwww/dev-ezclasssites-com/data/files/rudovifobufo.pdfIn PDF document text
- http://kocavietnam.com/upload/files/tanabepol.pdfIn PDF document text
- http://terredellamagnagrecia.com/userfiles/files/85643537959.pdfIn PDF document text
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/76ac2dd913b956683ad99aba0498b614/xigusegoniniminuwi.pdfIn PDF document text
- http://xn----0tbbbfo0f.xn--p1ai/userfiles/file/warurixipaled.pdfIn PDF document text
- http://szao-spb.ru/images/news/file/jegugunujef.pdfIn PDF document text
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/6fe7dd0e339492d72bca96bb36f388c0/lopetasunuwodazako.pdfIn PDF document text
- https://magicdiscoradio.hu/userfiles/file/32756613722.pdfIn PDF document text
- https://barrier.exma.cl/ckfinder/userfiles/files/jovex.pdfIn PDF document text
- http://immobilier-valence-agen.com/userfiles/file/xafivogedinis.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/likifutirolozagefu.pdfIn PDF document text
- http://ordineveterinarireggioemilia.it/userfiles/files/63247552782.pdfIn PDF document text
- https://www.artikel238.nl/emmwebbit/resources/ckfinder/userfiles/files/foket.pdfIn PDF document text
- http://flairpens.ru/uploads/files/wixapojomoviwu.pdfIn PDF document text
- http://jplus-ag.com/upload/files/BodyFile__613B0D8916EA7.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613000c1c6f7a---rolusafelemigoras.pdfIn PDF document text
- http://seamacros.com/upload/file/zenowirajemutasizuw.pdfIn PDF document text
- http://www.immo-uno.com/ckfinder/userfiles/files/568296674.pdfIn PDF document text
- http://scuolascifondocortinadolomiti.it/userfiles/files/66843547697.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=use+android+apps+on+a+pcPDF 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_off0000ee6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE6B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010682.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10682 | 10368 bytes |
SHA-256: 9624298acd88d6723d3d59a3595ef86163b766bd8d2a92bf76c00e2df71d72c0 |
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font_02_sfnt_off00011dff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DFF | 17216 bytes |
SHA-256: f5ffe5036bd36e2eee739a62e68c160d9587703dfd1e93615e1c632f0432c1c5 |
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