MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised CMS upload storage, suggesting an attempt to lure users to malicious content. The presence of multiple external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/1606f914516e6a---vipitejuxadokilariweta.pdf In PDF document text
- http://omgmediatank.com/userfiles/files/sipuruvaturozer.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076e405d08bf---bifudozojemeku.pdfIn PDF document text
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/lpf0k7r0490hnstd18ebk0r5e3/8518987303.pdfIn PDF document text
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c49beeaae07---wabujusekakiritazewemoda.pdfIn PDF document text
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baa813496d9---tawajekefuwizudisa.pdfIn PDF document text
- https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/8d09216f87fe41c8be9358b68ae2a5c8/bojafabuduni.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7ce8bbf95b---lasopexosidimilemon.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160bbe40ad61ac---vozolabuzizuputorato.pdfIn PDF document text
- https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/tdhqaqmpmvgtrupq2e2pr56kha/92549169854.pdfIn PDF document text
- http://emotionpicturesfestival.gr/userfiles/file/60473503888.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/b1e723d1c73fc065332364b7a6314165/69844243913.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1608d03dcc6c01---79544777208.pdfIn PDF document text
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/f39f480b3b7c11b30c1040f8d34559c0/bozosurup.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca56728109---82068962445.pdfIn PDF document text
- https://rittenhousesmiles.com/wp-content/plugins/super-forms/uploads/php/files/977a5c157ca54d522a0555dbb55987e4/rivisesatupatemigotu.pdfIn PDF document text
- https://kimtuong.vn/isc/public/files/fckupload/file/satanojiz.pdfIn PDF document text
- http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/rb3pu43o61rj1p8vaevvr0rovp/tuxusawaxaletomunovovana.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088f732cc06a---vivuwu.pdfIn PDF document text
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/e408d69c0707b0c6d874447fe3a40f05/tobosubalajatonorigagomuz.pdfIn PDF document text
- https://eseninternational.com/uploads/files/botexenezifuxudonatejem.pdfIn PDF document text
- https://standardpromotion.com/images/upload/userfiles/files/70918905207.pdfIn PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af419c5971c---38327887232.pdfIn PDF document text
- http://all-pass.com/folder/editor/file/76889108721.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=try+as+i+might+meaningPDF 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_off0000c3f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3F9 | 10468 bytes |
SHA-256: c492b980ff7dc06fcb502924d2fe1c40adedfc36bcf4c147c3052a1c1fb16494 |
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font_01_sfnt_off0000db91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB91 | 16128 bytes |
SHA-256: 7eea2f685cb1f966305531ef5855e846638455c79d95d4b1ee6b369583f81947 |
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font_02_sfnt_off000104b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104B0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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