MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and other disposable hosting. These links likely serve as a distribution mechanism for phishing or malware, leveraging the PDF as an initial lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/3ivoaipnct8c7a962q2iohlva8/18573613024.pdf
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac570903f02---49445848144.pdf
- https://hostsolutions.ro/app/webroot/files/userfiles/files/gixesawawewebozoxudigo.pdf
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608646236eb02---tagowofisovi.pdf
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/jto2ha1svo7eq3bc0t247cdvp1/68322494688.pdf
- https://thedestinbeachhouses.com/wp-content/plugins/super-forms/uploads/php/files/2f9060cbf4acb82fc08e20e6935229da/88165567504.pdf
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/356e815e58373f06b5c0ea73fc86725c/xaxalupakemiv.pdf
- https://assignmentmart.com/ckfinder/userfiles/files/62750934100.pdf
- https://phatgiaolongan.com/upload/ckupload/files/welipufa.pdf
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/160ede2a52c150---20386367276.pdf
- http://kimandyoo.com/userfiles/file/66877618521.pdf
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16077706a4daa5---7137851928.pdf
- http://hrdiborice.cz/erucom1/files/files/25608174534.pdf
- http://leton.pl/userfiles/file/nirotozosil.pdf
- http://goteneplast.se/files/images/file/wisifapinalofulelona.pdf
- https://thewaves.net/wp-content/plugins/super-forms/uploads/php/files/ouc90b64g3b1oi1dj0pv1cbfpg/mabudurutov.pdf
- https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/f6c3a0c974c90a46989163c7d2e6572e/84529795086.pdf
- https://zemiigori.com/uploads/file/80816708046.pdf
- http://mega.kz/media/upload/files/gagivorizav.pdf
- https://www.qlsny.com/wp-content/plugins/super-forms/uploads/php/files/c158919c6076c6b389f5380c9b15b825/37355672251.pdf
- http://lnshiyue.com/userfiles/file/20210623234640_147964706.pdf
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/4d8aecea581bb675e28612b4b857efd5/zafeparem.pdf
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9ecdcb1de---74422833864.pdf
- http://xn--9i1b14lwsg1seumdzsx.com/upload/fckeditor/file/lokidixikezufodalomapane.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=kick+return+4+unblocked
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f84a.binad058cf18f8319659e95c3fdd37b4959588135f9c964a06f3a097812dbd5358b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF84A | 16288 bytes |
font_01_sfnt_off00010e72.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E72 | 16792 bytes |
font_02_sfnt_off00012684.binadda68c1dfe7fa9b6e9d9b727d26d2546655cd7a3642a249a65842ba4def9f02 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12684 | 17696 bytes |
font_03_sfnt_off0001558f.bin86773faf652c2ae2743af48c8e603e36dedf8632ff22cb73b42b0ee11c138eea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1558F | 10436 bytes |
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