MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of links, many of which point to compromised websites and disposable hosting. This behavior is indicative of a link farm designed to distribute malicious content or lead users to phishing sites. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606da043800e4---26607102535.pdf
- http://uitvaartverzorgingsindex.nl/images/uploads/69598912352.pdf
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/o70ccsjs22h92mufv35l5ainpr/zipadonatilemobaxok.pdf
- https://dbjadow.pl/attachments/file/67982125956.pdf
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/705c9d7799d154c086d0aaf9e55ab44d/86390750510.pdf
- http://bjzjygj.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/9177864766.pdf
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160755ffb89e68---pewupakejofu.pdf
- http://guojingmall.com/userfiles/file///56155902294.pdf
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16074ae082780c---xujokazawixu.pdf
- http://lhs75aa.org/clients/0/08/08eb77d093c5251d787cf05842b4a73c/File/50272112944.pdf
- http://bukharajohnscreek.com/sites/default/files/file/ragiwimuf.pdf
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/500ba47f9e5118713ea0981ab0a41f15/kixul.pdf
- http://timavoshipsupply.it/userfiles/file/61721910138.pdf
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607f769733cee---verajojojakesuki.pdf
- http://shssailors1969.com/clients/3/36/366f78b21138e0f8005dfe6cc5e09e30/File/9065406689.pdf
- http://alexanderkanevskyartistbiography.com/clientMedia/file/13170671559.pdf
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/f1bbe463a8a231af9ebeebdcf80089b7/28067806542.pdf
- https://amerismithenterprises.com/wp-content/plugins/super-forms/uploads/php/files/fd805acaf427bdc1ccd20956c46c4ace/61657610121.pdf
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2c2d36a30d---33831038922.pdf
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/e4961af3513ab827705622c3c095b8e7/21904983420.pdf
- https://canionglobal.com/FCKeditor/file/xovetaxafe.pdf
- http://ankaser.com/userfiles/file/79835586468.pdf
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/2e30fb573095ad5abfa98c2eef092a7e/37196110961.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=classification+of+matter+worksheet+with+answers
- 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_off0000fa64.bin5f4365e4dd4badf09c57641a4ea068d47d89df6d1aa9b2118e4b252cd63a0f24 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA64 | 16620 bytes |
font_01_sfnt_off00012548.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12548 | 16792 bytes |
font_02_sfnt_off00013d5f.bin50aa9d81ee6c9c47f00c61098486fcec652a1b1d44abd348b3261b6baa2394e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D5F | 10812 bytes |
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