MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains numerous links to external PDFs hosted on various domains, many of which appear to be compromised CMS uploads or disposable hosting, suggesting a link farm designed to distribute malicious content. The presence of these links and the overall structure point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://lightningriskassessment.com/ci/userfiles/files/93122639829.pdf In PDF document text
- http://goldenbaycruisesagent.com/userfiles/file/vabemiwesira.pdfIn PDF document text
- https://allmassage.net/upload/file/20210507144928.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609f5812cde0d---72058929831.pdfIn PDF document text
- https://welltowork.org/wp-content/plugins/super-forms/uploads/php/files/63dac94a2036cf97e58daa0b13bf451f/83450177468.pdfIn PDF document text
- https://piuspvc.it/userfiles/file/72079380770.pdfIn PDF document text
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/978f68669389a0fb15df82d5467000a9/dopuzag.pdfIn PDF document text
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/2pm8ciue7gt6jo4act6vvtgvsr/kewasi.pdfIn PDF document text
- http://karpatskiles.ru/store/files/bexabalubal.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608316d170312---tunoludav.pdfIn PDF document text
- https://ratsimae.eemedia/contents/file/kapigos.pdfIn PDF document text
- https://daleplumbinginc.com/wp-content/plugins/super-forms/uploads/php/files/c1e4705ce399f075940c0cebcb509b4f/vusefipimupefuzemebenok.pdfIn PDF document text
- http://codienlanhminhquang.com/upload/files/bixugijudenef.pdfIn PDF document text
- https://nasselgrundet.se/anvandarbilder/156/files/foxudiligiwukosetezovidi.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160e6ad211559f---31145679933.pdfIn PDF document text
- http://prvugkh.ru/uploads/files/10038103556.pdfIn PDF document text
- https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/f678hb67q1apou84tcj7m78mv0/96403496252.pdfIn PDF document text
- http://akgikorea.com/file_upload/fck_upfile/file/ruzoruwarowugul.pdfIn PDF document text
- http://wxeina.com/userfiles/files/10916829094.pdfIn PDF document text
- http://eko-inwest.eu/upload/file/bigusagazaki.pdfIn PDF document text
- https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/0c09707af0261c992719de2ead7eb159/jibadix.pdfIn PDF document text
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/k2n94miogrb7u5sk2ujevbbu42/96979089398.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bf42c4b5e74---29691101225.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=indian+history+in+kannada+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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b6d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6D1 | 17060 bytes |
SHA-256: 6303afba06ea4381df87af61404d648bda9e6a3202d8fa913287068777c0c23f |
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font_01_sfnt_off0000e367.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE367 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fb7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB7E | 10708 bytes |
SHA-256: f27807c975b259662d311ae1fc4ca9cbf75564b16f3e408d4d2f22635ca20ff3 |
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