MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the document functions as a link farm, containing numerous URLs pointing to potentially compromised websites or disposable hosting. One notable URL is https://inwebjor.ru/uplcv?utm_term=gta+vc+graphics+mod+android, which likely serves as a lure for further malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://inwebjor.ru/uplcv?utm_term=gta+vc+graphics+mod+android
- http://www.ccengis.be/applications/ckeditor/addons/ckeditor/ckfinder/userfiles/files/vefabapugadokowosuderes.pdf
- https://martensmgt.com/business_school/uploads/file/xivemebuxidenalidulamer.pdf
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e3a8701f63---20086192948.pdf
- http://eiffelflowersquesnel.com/userfiles/file/kebesizivavalubas.pdf
- http://portalpr-b2b.es/img/user//file/_0631291001630770616.pdf
- https://nyig.com/files/file/43065243478.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613538867d537---gogelaguzidopopufa.pdf
- https://angkagenap.com/contents/files/86782726937.pdf
- http://mutamobilya.com/images_upload/files/88117845391.pdf
- http://belovosushi.ru/files/ralulavavexedekewopaz.pdf
- http://ebsenglish.net/_UploadFile/Images/file/46891392680.pdf
- http://xinxinhouseware.com/uploadfile/files/bologotezuzuwarusoxajo.pdf
- http://kinel-hunter.ru/upfiles/file/81244095662.pdf
- http://tydafa.com/dafa/uploadfiles/20210905125647.pdf
- http://hanasushichoice.com/uploads/files/27560194654.pdf
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/9c1debc442528d82971d8b64d881ffa5/96026443203.pdf
- http://standdominica.org/files/files/14350153501.pdf
- http://cross-winds.in/upload/contents/images/images/23623751998.pdf
- http://naturenhuman.com/app/webroot/userfiles/file/5956490838.pdf
- https://coastalholidayproperty.com/ckfinder/userfiles/files/kivefivurikagupop.pdf
- http://nktrading.qa/file/files/dimibuxelarezotupunetoto.pdf
- http://krajinar.cz/soubory/files/nugolo.pdf
- http://damosushipleasanthill.com/uploads/files/giwofupegufakinivof.pdf
- https://zivotzaokny.eu/res/file/2868567467.pdf
- https://quimicasorocolor.com.ve/ckfinder/userfiles/files/15255606416.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_off0000d50b.bineab0cac6b302f51a81aafe0e52e889e15dd6264f15a7582816444d98530c255f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD50B | 18120 bytes |
font_01_sfnt_off000103f9.bin298e1387d2df5bf9c0e6e2760ee8bc192e8e7f0ce261bb7433468994b1272042 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103F9 | 10888 bytes |
font_02_sfnt_off00011cd4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CD4 | 16792 bytes |
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