MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to various domains, some of which are associated with compromised CMS uploads. The lure appears to be a 'minecraft download' which is a common tactic for phishing and malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
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 https://smidgel.ru/uplcv?utm_term=minecraft+download+pc+pocket+edition
- http://changrung.com/ckfinder/userfiles/files/xewuwozonipepaxokasagepa.pdf
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612f104ed5fff---sanuzoxuguvuza.pdf
- http://jvcc.cn/ckfinder/userfiles/files/210907060216502227hlhnx.pdf
- http://tw-tms.com/uploadpic/xw/files/dumimagadejotox.pdf
- http://ylpcl.com/ckfinder/userfiles/files/62751810491.pdf
- https://eco-translation.ca/upload/editor/file/4287606905.pdf
- http://gesundezellen.com/neu/userfiles/file/54751319614.pdf
- http://agppi99.pretty-match.com/upload/files/gubipep.pdf
- http://ros-audit.com/i/up/file/56603859003.pdf
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161305c9bafb3f---9530885575.pdf
- http://hhoasis.org/app/webroot/img/fck/file/29667953097.pdf
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/16e6de5a5d7540561d48d3fe59d9a150/fodero.pdf
- http://boki.hu/editor_up/87296186744.pdf
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16142981f33352---durabipufipon.pdf
- http://franklcalabreseattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lumil.pdf
- https://malabarmail.com/ckfinder/userfiles/files/rirovi.pdf
- http://gesundezellen.com/neu/userfiles/file/35948143982.pdf
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613cbf3a60db2---baxurojivavovotegolu.pdf
- https://bocion.com/ckfinder/userfiles/files/30684522516.pdf
- https://indicaperu.com/userfiles/file/kapoxunopusoxafirikew.pdf
- http://kehlux.lu/userfiles/files/1782761434.pdf
- https://cooperspick.com/files/70854953977.pdf
- http://zge-led.com/luodan/images/userfiles/file/zisumuxebadawav.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010651.bin1aa142161345949172595ccacb002fd1df782f79e81705f1245fd2e7697c59e7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10651 | 18812 bytes |
font_01_sfnt_off000137a3.bin83b5e940c0dd518578eb8b0f6f6ee1b3e7b37a37aa9769fdd0a28be13c125e0f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137A3 | 10616 bytes |
font_02_sfnt_off00015012.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15012 | 16792 bytes |
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