MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, pointing to multiple distinct hosts, some of which are compromised WordPress sites. The embedded URLs suggest a lure to external content, potentially for phishing or malware distribution.
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 http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/1277e624954895ab85dd9cc35cc3653c/wonezifuzoxivivumaki.pdf In PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160778069281b4---tarodimamojo.pdfIn PDF document text
- http://joyearland.com/ckfinder/userfiles/files/jubagiriserax.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160c6647f63d3d---53011510883.pdfIn PDF document text
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/7a87c3489309e4f0a64eb6bfee9f5cd2/virubotazuwewu.pdfIn PDF document text
- http://morgancountyoh.com/userimages/rirusiwirixuvudigipawov.pdfIn PDF document text
- http://tunglamgarden.com/images/fck/file/pevut.pdfIn PDF document text
- http://fotossc.pl/_files/file/fenedagatojenevome.pdfIn PDF document text
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/a97b9d55766b1654ed7663203511631b/nagiduwa.pdfIn PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/da7a1b1062daee027fd968844bfea4a3/fatonejupulafurudurejodu.pdfIn PDF document text
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/16076c324a5733---pagateziguguben.pdfIn PDF document text
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/160b7f5f1a723f---60066880826.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b2c0f5be06---68426038981.pdfIn PDF document text
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608f7503a0f7d---dokokamita.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608726ecd37e8---9842772481.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/jb33sakvfpnk38ts4cl1047mo7/74005182049.pdfIn PDF document text
- http://asja-doll.ru/userfiles/file/1755519938.pdfIn PDF document text
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160855e2299604---74378978432.pdfIn PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160ad8b2777475---taguku.pdfIn PDF document text
- http://stroisvias.ru/userfiles/file/nejapizupod.pdfIn PDF document text
- http://polimak.pl/userfiles/file/96724260238.pdfIn PDF document text
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/6698407c7cd6bfa030bdc82e1492a703/36143412361.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1627ea470---42459072018.pdfIn PDF document text
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160b2dcdb9f5cb---doges.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/ccc372859faf79032567e48f0a7eef8f/tuwobami.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=chemistry+density+problems+with+answersPDF 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_off0000de55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE55 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f667.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF667 | 17020 bytes |
SHA-256: d4e06b24b42d92178f866232708e14c3c5f7e149022907b8c3eb1de65f14f067 |
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font_02_sfnt_off00012335.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12335 | 11028 bytes |
SHA-256: 1664ae1f748bf1a47e2466e4deb17306268da8abf94fc719d19cdc070a51d812 |
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