MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple compromised CMS upload directories, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body is unreadable, but the heuristics and URLs clearly show a pattern of directing users to potentially malicious content hosted on compromised websites.
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://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078e433b658e---vizafok.pdf
- https://www.helpforbusymums.com/wp-content/plugins/super-forms/uploads/php/files/f18e5697c32b735124e3ded4041a9aac/pilojumujekewazetegijo.pdf
- http://lalinpress.com/ckfinder/userfiles/files/gupobetujezifinijerut.pdf
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/b45a0d4252879fc9d356abad9571a81c/xivusixesejutujuze.pdf
- http://luxmeterthai.com/ckfinder/userfiles/files/siluzunat.pdf
- http://barcelonasixtytwo.com/userfiles/file/demitefulav.pdf
- http://szao-spb.ru/images/news/file/45425072081.pdf
- http://kondicionery-ivanteevka.ru/upload_picture/file/zewawuzowapegi.pdf
- http://rkmaster.ru/uploads/files/benerofoxuzejux.pdf
- http://omgmediatank.com/userfiles/files/xokaj.pdf
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160867fca8100b---dupojopasatorasibeneg.pdf
- https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/44413a734cbc57e4bb1a2debffc500f0/vetuf.pdf
- http://rapabzenec.cz/obrazky/files/5680496367.pdf
- http://stananddiane.com/clients/6/67/672a2699e369d648dd23e03de9deda78/File/43911040949.pdf
- http://sbsinternationalschool.org/sbsisnew/userfiles/file/dejiboviga.pdf
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a17a8ec315a---nekeroxedezajakofa.pdf
- https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/4fea8a0c73427fb0eb53d037505b2772/41369214427.pdf
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/6dof8mrr11sh1ekhpbb512rq0e/babavuvikenonimujixiz.pdf
- http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a18f621efdd---zixad.pdf
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/sqd08advs119fqp1iu7abub1p4/29507934445.pdf
- https://www.m2asolutions.com/wp-content/plugins/super-forms/uploads/php/files/7c2cad70e18870ca50d3408e87f87643/65389318085.pdf
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/smok7qd3fbbieu8l6q89b2odl3/5907448465.pdf
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/160951a126e1e3---64314520743.pdf
- https://finances-canada.com/wp-content/plugins/super-forms/uploads/php/files/6c13fc52a2467ebbf5a1a04b98e77836/86838475771.pdf
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/h2puh2e34ibcostlrvk2pk7v07/75988663775.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=carrier+service+manuals
- 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_off0000df16.bine2c881db7095142c848821151e80fb28c32a782f78a575c93f380d14909c7950 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF16 | 16536 bytes |
font_01_sfnt_off00010a1d.bin20b26efaf84395ff5ac91fa0a932880a665cf876813cd5e9b653e45bcf4dfe37 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A1D | 10372 bytes |
font_02_sfnt_off00012188.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12188 | 16792 bytes |
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