MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple external URLs, some of which are hosted on compromised CMS platforms or disposable domains. This suggests a phishing or SEO poisoning attack pattern, aiming to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9866
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.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076c2b76268f---72022021275.pdf
- http://yorkiematch.com/clients/6/65/653dc45b8f6063886304ac4260dbb99c/File/64733041700.pdf
- http://bassbasement.org/userfiles/file/40533490141.pdf
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160840bf342e45---84558857330.pdf
- http://kxzyjy.com/CKEdit/upload/files/42682454198.pdf
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/hp3bmufjq61t9rsdi6etc4d7bb/jetesogabipegus.pdf
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/e5g8agrddf181rlb8k8520efu1/75119817074.pdf
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160e01904c2f6a---tiwaxuzizebuzi.pdf
- http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/rbc7v7kilatdo3p3edis6hsha0/goxur.pdf
- http://umffz21.ru/admin/ckfinder/userfiles/files/21166029045.pdf
- http://vankouwenenmastop.nl/UserFiles/file/92576624154.pdf
- http://pietroquatriniarchitetto.eu/userfiles/files/dupunus.pdf
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/ca44f4cae6458211df234fe646130ac4/86225685354.pdf
- http://bannermaul.com/userData/board/file/juzesefizonomareri.pdf
- http://thecreditcrisis.net/clients/73966/File/13955225318.pdf
- https://kede.org/userfiles/file/8344723882.pdf
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/3c70c1b27e7fa4e830d1d2046928c8b2/musonumovanerezotenovo.pdf
- http://asirakademi.com/resimler/files/76133707211.pdf
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afb5326db2a---87710104579.pdf
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/ea1a02fae34ae07f0ae2422c8ef9b87d/bimutufajobudusutiso.pdf
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609c8894f358b---49401403737.pdf
- http://imreelectric.sk/uploads/file/ganarojuredo.pdf
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b205a121fed---45927340952.pdf
- https://cupanghitam.com/contents//files/pisunuwumujoluwab.pdf
- http://brandnewgoods.net/userfiles/file/nebovosav.pdf
- http://kennedy-jackson.com/clients/f/f7/f78508644b517540cdb1549d93860f53/File/65501559064.pdf
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/2950edafd434287d0dd2267448ce54fb/76302534464.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=paper+minecraft+online+free+games
- 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_off0000fc9b.binb075902efcabbbc0f22da910c6cd7007013e5e4a8821e0a0d97ef60fdde21622 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC9B | 16848 bytes |
font_01_sfnt_off000128bd.bin92c1432bb85f4709e64bc18dcccd48053550f6a29af9abe425a4a9c2aa95a765 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128BD | 10824 bytes |
font_02_sfnt_off000141b8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141B8 | 16792 bytes |
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