MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The presence of these links suggests an attempt to lure users to malicious sites, likely as part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9913
Heuristics 6
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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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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://helpibr.org/clients/f/fe/feaff840d005acecac0f151e8679c8db/File/bazokepivipix.pdf In PDF document text
- http://shadesvalleymounties1969.com/clients/868959/File/2023338748.pdfIn PDF document text
- http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/2i9n6kgejeg7tt63e2nsasvp39/fonogipekewar.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/16104d6da812ac---64932894604.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607f30b15040d---37296204812.pdfIn PDF document text
- https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/fc03d7a86f0133885590d900391bb86f/13552559935.pdfIn PDF document text
- http://bakoca.hu/files/file/vaziletuwepomilupoga.pdfIn PDF document text
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa4fe14ea69---nodefajosu.pdfIn PDF document text
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c0dd3b02dd9---52727630944.pdfIn PDF document text
- http://luckdidea.com/ckfinder/images_store/files/kifitob.pdfIn PDF document text
- https://diaochue.vn/userfiles/file/wevezamuv.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5d1db79d074978c0dc019ea504a1d043/nozerokuwimibatu.pdfIn PDF document text
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c0d83a5cc79---80766775193.pdfIn PDF document text
- http://devitohomesorlando.com/userfiles/files/95970297350.pdfIn PDF document text
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/4d04ab8cc172cb2fb3035a0ca1e7fb37/63260572489.pdfIn PDF document text
- https://perfecthospital.net/ckfinder/userfiles/files/kijinona.pdfIn PDF document text
- https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/5236a20efaac2488a87d4f79577aa653/73986622534.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/fao8k9dsud4c5ooc3ld11fiosh/65406231003.pdfIn PDF document text
- https://siam-royal-view.ru/data/files/regelujaja.pdfIn PDF document text
- http://ozanatalan.com/iboard/includes/userfiles/files/samulikemusezatevagofegub.pdfIn PDF document text
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/56ca0aae14c9788ac0f88eb980e4a557/11670302513.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8aa29196daa3eb52fe4127d355e7d114/polojugajedokalovoxo.pdfIn PDF document text
- http://boisehighclassof1965.com/clients/879780/File/gavufupisikomoj.pdfIn PDF document text
- https://brawlcall.com/ckfinder/userfiles/files/pujesilerobepawefakakipoj.pdfIn PDF document text
- https://nepalonetours.com/userfiles/files/9023352137.pdfIn PDF document text
- https://citronel.com/userfiles/files/jetixaj.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=idioms+and+phrasal+verbs+elementary+pdfPDF 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_off0000f7f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7F9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001100b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1100B | 17892 bytes |
SHA-256: 601462596a5b53f82eb98f1bb6e174a413322de930de3de2c9b98b9d03bf5236 |
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font_02_sfnt_off00013e67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E67 | 11036 bytes |
SHA-256: 4085e74bc8d2d6141a235f0017acc7c91ba9627fde49b656b6248c7b83e62ce1 |
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