MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites, indicating a link farm designed to obscure the final destination. Heuristics and ClamAV detection strongly suggest this PDF is malicious, likely serving as a lure for phishing or malware delivery. While no scripts were directly extracted, the structure and URL patterns are consistent with malicious PDF documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://insights3.com/wp-content/plugins/super-forms/uploads/php/files/0cf0a737f8e312f0603e60bd686df70e/85799553139.pdf
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1609ba60770ab6---fexutorawosis.pdf
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a70e14c76d1---jerisafewepebav.pdf
- http://orchid-daikanyama.com/userfiles/file/rawenimev.pdf
- https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/c92884d226ac824a4c658526112a9e5e/vixawekeposefipoxi.pdf
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16073670486c20---92455659098.pdf
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/a99bo8lqt6p6goqq1ck73b4v4u/29403875522.pdf
- https://7gking.tw/upload/files/kuvuxi.pdf
- http://eltonltd.ru/sites/default/files/uploads/jikigezufegit.pdf
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079b5101a05c---69415154580.pdf
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acd97b0f2bb---dukapinedadifiwatarikozik.pdf
- https://adasms.fr/userfiles/file/bokobojudakasisikuguk.pdf
- http://ndc-group.ru/uploads/files/77609433308.pdf
- http://boxerdapolenta.com/cmsimple/images/file/wenivoxetakidomalekumifu.pdf
- http://copy2d.com/ftp/image/file/bejonozepi.pdf
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/3801f3c048610b540c0ddf237c0b6266/piratopa.pdf
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/23lrkek8gj2rltc76gvkj94cfj/19127478796.pdf
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/o3bi5j8o48gslk4gk59opdlmd2/vewiwerokugagupi.pdf
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1a81d900c---82825450471.pdf
- http://reklama-kemerovo.ru/files/files/33830030542.pdf
- http://mav-auto.ru/images/file/mibutemegipexe.pdf
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607b84a66afa9---guxixujamufiretalora.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=molecular+biology+and+biotechnology
- 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_off000100c7.bin25128ff6dfdd8a6486ff0c2d5654caffc329f69131b5991143515f28266ad8e5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100C7 | 17492 bytes |
font_01_sfnt_off00012efa.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EFA | 16792 bytes |
font_02_sfnt_off00014711.bin33a4237d7a186942651a0cf2dca05ef312824778cfd258f8383f0c5eecaea7a3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14711 | 10828 bytes |
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