MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm with numerous URLs, many hosted on compromised CMS platforms, designed to redirect users to external sites. One prominent URL, 'https://inwebjor.ru/uplcv?utm_term=minecraft+java+edition+for+android+mobile', suggests a lure for downloading software. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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=minecraft+java+edition+for+android+mobile
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/47e7f03e684455639278b9ff5c2d29c2/46600265032.pdf
- http://www.logistiekverbeteren.nl/ckfinder/userfiles/files/subazibo.pdf
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/16089fa6c0a26b---polosowazivudisipitus.pdf
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d4a988bab8---62971986207.pdf
- https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/1565ae0a31a90c5cfce87321b61dfbe7/13306513349.pdf
- http://artecgroupservices.com/imagenes/file/teragapafex.pdf
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094763e0909e---kozebupil.pdf
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608534efafb78---newixijinejoxaw.pdf
- http://www.corazondelsol.es/ckfinder/userfiles/files/luroxenusidid.pdf
- https://ymvii.com/admin/upload/files/25454836486.pdf
- https://cambodiadriverservice.com/userfiles/file/56208231262.pdf
- http://davisnewfoundlandfamilyreunion.com/clients/60627/File/206504173.pdf
- http://dzbnf.com/upload/file///68103894393.pdf
- https://funkydrop.shop/wp-content/plugins/super-forms/uploads/php/files/4d4a6431781fe87573538ae41bef25fa/34167868509.pdf
- http://thompsonhigh1980.com/clients/4/48/48b9e10b24f1ac3c627dfd5bb8c45987/File/titopikexaxivuzel.pdf
- https://willmarlakesarea2040.com/ckfinder/userfiles/files/pikefalulerokoros.pdf
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/16094741b38dcc---jugobofulenonusofe.pdf
- http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/160846cdb18327---85683977616.pdf
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080109c7bc43---26129108886.pdf
- http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/16074511a2a509---xefisugewimunened.pdf
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a293a0df78---fopoxiruluboxatapijek.pdf
- http://maility.pl_adresuserfiles/file/winusizak.pdf
- https://mediaget.com/userfiles/files/megazetiwaxogumatevib.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_off0000ed93.bine180e417ddab583ebb6534fee50b184ad4cf146c952bc3261f2555768b152a95 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED93 | 10800 bytes |
font_01_sfnt_off0001066e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1066E | 16792 bytes |
font_02_sfnt_off00011e80.bin64e7fe621960de02eaa269711b4dd66a2e360e846c925a54ddb2dfcb41f33113 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E80 | 26756 bytes |
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