MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to compromised CMS upload directories, suggesting a link farm designed to obscure malicious content. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely provides instructions to download a password-protected archive, a common tactic to evade static analysis. ClamAV detection and ML classification further support its malicious nature, pointing towards a phishing or trojan distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9910
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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
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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://artasedanasingaraja.com/uploadfck/file/62021047127.pdf In PDF document text
- https://cavalier-hundezucht.ch/userfiles/file/72410777160.pdfIn PDF document text
- http://zuche0551.com/upload/file/pozufagijepejegaga.pdfIn PDF document text
- http://wannawwannie.pl/userfiles/file/tefazu.pdfIn PDF document text
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/t32d694r2fjs4cjk2df1ag8apj/seduzipodav.pdfIn PDF document text
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/ggh6ub2su8mvp8pt43aho0bsj8/58424462995.pdfIn PDF document text
- https://apoiotelecom.com/imagens/img_fckeditor/file/vibefub.pdfIn PDF document text
- http://spreewaldatelier.de/img/editor/file/91221732593.pdfIn PDF document text
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/e4a28992fbc9d335c5af6b41a6a01269/rudenu.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a06a352c82d---9503633636.pdfIn PDF document text
- http://teaandtiarasottawa.com/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/padovarixuzogo.pdfIn PDF document text
- http://hosungtour.com/FileData/ckfinder/files/20210530_B8CAB0F383759123.pdfIn PDF document text
- http://allycatering.com/userfiles/wolowodujifaza.pdfIn PDF document text
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160808fb3d12a3---janufajepogumimozim.pdfIn PDF document text
- https://avgdesign.com/userfiles/file/35803475631.pdfIn PDF document text
- http://phaptangpgvn.net/app/webroot/upload/files/nifiwukokegasulifojo.pdfIn PDF document text
- http://mclarenquartz.in/ci/userfiles/files/60992239489.pdfIn PDF document text
- https://balbok.net/admin/ckfinder/userfiles/files/wakabewizatijovomadunu.pdfIn PDF document text
- http://veraschwemmle.de/fckdata/file/15900484244.pdfIn PDF document text
- http://wjcopy.com/upload/files/2385135487.pdfIn PDF document text
- http://painttechvina.com/webroot/img/files/difelojelavupevobisozi.pdfIn PDF document text
- http://jessicarossitto.com/clients/7/7c/7c16b8c799dae9ffcd1258f31d6ff645/File/18164301988.pdfIn PDF document text
- http://canadanur.com/resimler/files/30929648384.pdfIn PDF document text
- http://bayzones.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/dunujitazoxuperujofo.pdfIn PDF document text
- http://xn--l3cbpp3gh4a5g5c.com/userfiles/files/47784392128.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=made+easy+study+material+for+gate+mechanical+engineering+free+pdf+downloadPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f8f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8F4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011106.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11106 | 19124 bytes |
SHA-256: 613f52a3876d85f9ca06f7212b5138bd3532e3b708814aca9ca24669bb7000eb |
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font_02_sfnt_off00014446.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14446 | 16164 bytes |
SHA-256: fd494554c7a7a2c4488382a78096c535ff133766c7221992be4f6a58596b2467 |
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font_03_sfnt_off000159bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x159BD | 11360 bytes |
SHA-256: 1a0f432a26701d1e6c13efb09309c198e7e21cde6e8d4d9b241ff14b0b3e3f70 |
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