MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a phishing or malware distribution attempt. It functions as a link farm, containing numerous URLs pointing to compromised websites and potentially malicious content, likely intended to lure users into clicking through to a malicious payload or phishing site. No scripts were extracted, but the structure suggests a deliberate attempt to host malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/eca215c86e5th28k63kplnr8kj/sijola.pdf
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/8040c908951f324a4cd57f470681481e/ruwilipusapomebavil.pdf
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076f7b719a5e---zizokusomagodaditusebexux.pdf
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/b13308d9fc4063a6fd379d5dc7b319bf/16783644232.pdf
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7fa552d539---84369796403.pdf
- http://csc021.com/userfiles/file/20210612102721_39j7ad.pdf
- https://giustofiori.it/file/gamigovoxew.pdf
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/lghq1pe0e0a5avub7ef3k47ljl/17420785686.pdf
- http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a033f87bacd---74402549779.pdf
- https://proxus.nl/file/89924731942.pdf
- https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/215c3e32aea5d92aae457339e1120de7/pudevevinozibolaw.pdf
- https://vestol.bg/files/file/46532711986.pdf
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/ugb09qir4bp0lpv7elmcl2vjna/jupikuvigapixeluxigawi.pdf
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/3f49821f736d03ae4a31c49a9b5c0c35/jeduravipasedopifokifape.pdf
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a08944a6aec---90817860483.pdf
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/ie9ojea3f75l4hi5qf6j8qq490/vaxopuvaziwonumedu.pdf
- https://stillwaiting.org/userfiles/file/butezajotime.pdf
- http://aweibel.com/Photo/file/morenegibopimelekisube.pdf
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a27a1d2d17---6595549046.pdf
- http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c84de811af9---57230612006.pdf
- https://noddy.nu/images/file/baxavepazesefavi.pdf
- http://ash-graphy.com/userfiles/file/telewuwole.pdf
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609a1a4214f0d---toduwenaviketiz.pdf
- http://aldo-ins.com/userfiles/file/41284237862.pdf
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/64d98dc9fb3cb9ea0332db9f82313d75/joxosofirupumapozedazukod.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=what+is+swahili+fish
- 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_off0000f5f2.bin601d695a97135a49c5bc3c96627f54eb012b60e7e94b4d4a5ec99a1487bef50e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5F2 | 17012 bytes |
font_01_sfnt_off00012220.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12220 | 16792 bytes |
font_02_sfnt_off00013a36.bin469fe539e42ff47f8bd2fefbef0f58422cb044f94231b464c10cba7ace6b49a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A36 | 9932 bytes |
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