MALICIOUS
176
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, suggesting a link farm designed to redirect users to malicious content. Heuristics indicate it's a phishing trojan, and the ML classifier strongly agrees. The presence of IP address literals in URIs and links to compromised CMS uploads further supports a malicious intent to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://chinalabware.net/d/files/lubupixejadoxaxepi.pdf
- http://adance0112.com/upfile/editor/file/14926500580.pdf
- http://guides2alpes.fr/uploads/file/pofudu.pdf
- http://grabnerestriche.at/33102258694.pdf
- http://lagostena.it/userfiles/files/95075976726.pdf
- https://sankaibearing.com/userfiles/files/78403489101.pdf
- http://kalikraft.com/images/file/18862483594.pdf
- http://margheritango.it/userfiles/file/gonudulezapiwosanov.pdf
- http://kxxbs.com/uploadfiles/file/a/tetozumogexegoxoruli.pdf
- http://cn-junsheng.com/upload/file///20219914123732.pdf
- http://opuspointpartner.com/ckfinder/userfiles/files/kemubekosubu.pdf
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/7428b71f5602ff0b278201b80166795f/powefibixiposokubosizijis.pdf
- https://bi-kiesabbau.de/cmsimple/images/file/73333131045.pdf
- https://szaniterplaza.hu/ckfinder/userfiles/files/42046593072.pdf
- http://nghieuphong.com/upload/files/vutadexidogojaku.pdf
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137a2d881ae4---47510170556.pdf
- http://xn--80aamwn.xn--p1ai/userfiles/file/57260471976.pdf
- http://nickelsgrafikdesign.de/ckfinder/userfiles/files/1347745559.pdf
- https://9ja-bet.com/userfiles/file/19017820678.pdf
- http://webinaris.biz/ckfinder/userfiles/publics/files/pukudizezux.pdf
- http://www.siscbolivia.com/admin/uploaded/fck/file/39425343372.pdf
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/161371b222ff59---gurumavavuradetuvugilo.pdf
- https://kompaspt1.com/contents/files/22387556752.pdf
- http://urbancollab.com/userfiles/Proj_Name/files/dosunoxajifazura.pdf
- https://doktor-ara.com/userfiles/files/loxogut.pdf
- http://yuanhebiotech.com/upload/files/34219682378.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139ea4f1a7f4---83044101966.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=stremio+apk+download+for+pc
- 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_off0000dfe0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFE0 | 16792 bytes |
font_01_sfnt_off0000f7f2.bin24e87cb465e2a52a017732bafecf623bf9914db8a4540e113346433d7250a43c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7F2 | 18380 bytes |
font_02_sfnt_off000127ab.bin8f5e3cd0f81aff5cd0ff1258b59090fc4aa460114998ff4f0633a2d4417933dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127AB | 10868 bytes |
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