MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised or disposable domains, a common tactic for phishing or malware distribution. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely instructs the user to open a password-protected archive, a method to bypass gateway security. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
Heuristics 7
-
ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
-
Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
-
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.
-
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.
-
External URI info PDF_URIPDF contains an external URL action
-
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.
-
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://51www.org/uploadfile/file/2c46d873e9a092c2744138f748308213.pdf
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/b565c30e798a495dd9c114236b0910bf/9019996591.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c24b5b2e9f4---zififoru.pdf
- https://www.letspassdriving.co.uk/wp-content/plugins/super-forms/uploads/php/files/ve44375374200g70m04meoseho/15952951294.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/1a0ecb794d3c9b3be380091fcabee565/42511268171.pdf
- https://www.profiemg.cz/upload/ck/files/875726269.pdf
- http://htwy.com/upload/file/56529203812.pdf
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cce4f191e6---xoxudowurevuso.pdf
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c75fb77b39---54688418080.pdf
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/v83c4e689k010hck2jsjqi29uj/40604079640.pdf
- http://jpbullies.com/clients/2/2c/2c827f09d77a589c2c5c7da8c033a3f4/File/madisufifos.pdf
- http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608419963ea03---biwakobanubewosali.pdf
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab103cb9c53---dodok.pdf
- http://abwvictory.com/uploads/files/rorudimedojevigitavazupi.pdf
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/41991306ff9886e33eed64c41e5d7775/44178980642.pdf
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c370bacb653---kujoxezube.pdf
- https://opuntia.eu/wp-content/plugins/super-forms/uploads/php/files/d9c36ca9105dcba478f504b3821cf562/pekarawux.pdf
- http://apcmagon.com/userfiles/bebiruzofabubanoxo.pdf
- http://ehs1958.org/clients/73155/File/sosenunuxu.pdf
- http://xn--80aab8aioy.xn--p1ai/userfiles/file/juketop.pdf
- http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/58189282349.pdf
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a60cc4941---bepurikibowululijab.pdf
- http://konditsionery-reutov.ru/upload_picture/file/9392154592.pdf
- http://papinchess.ru/userfiles/file/rutevuzexusuf.pdf
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dbddb3cd1d---vijapikozozategekinuje.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=speckled+bird+tabernacle
- 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_off00014ceb.bin2740ce2c89719fd86169fa7292cf9ad11cedc48f72a1d6b5d5efd9490f9b036c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14CEB | 16624 bytes |
font_01_sfnt_off000177e1.bin81b73602ac6a413e3129efde33cc4e436221a67d230ecba28852ace856c39a38 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x177E1 | 10524 bytes |
font_02_sfnt_off00018fb5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18FB5 | 16792 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.