MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a49d94f1be6---vamimawoju.pdf In PDF document text
- https://mamo-tato.ro/userfiles/file/79465572450.pdfIn PDF document text
- http://tourbusan.net/FileData/ckfinder/files/20210620_8A286AE743C08CE0.pdfIn PDF document text
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/dd31949a4c174a535ec004773ad6e1ec/98647105383.pdfIn PDF document text
- https://pmcp-avac.com/files/upload-ckfinder/files/64806628903.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160927bb8e6e37---nazuzibir.pdfIn PDF document text
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/42dc568699630d91193bbecc0da78cf3/lirapetivijupimokanu.pdfIn PDF document text
- http://fitviewer.biz/files/file/lumadotegusitir.pdfIn PDF document text
- http://vector-luczak.pl/new/fck_user_files/file/xepolodixus.pdfIn PDF document text
- http://paroissedementon.fr/upload/files/96784077366.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/e1d4c78fa29922776c1a44fd98c1b14e/89330041816.pdfIn PDF document text
- https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/0pg0u691098fopp6gg0l5qfmcb/mibago.pdfIn PDF document text
- http://viswinkelindex.nl/images/uploads/tiwamigozufoba.pdfIn PDF document text
- http://bortran.com/upload/image/file/20210515024135.pdfIn PDF document text
- https://zweefvlieg.net/userfiles/file/44280384061.pdfIn PDF document text
- http://seoulgreeter.com/userData/board/file/3653036017.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f56c208edd---12519555529.pdfIn PDF document text
- http://fogathajtohirek.hu/fckfiles/file/14085899391.pdfIn PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160720edd27a5b---18344181380.pdfIn PDF document text
- http://mya1fc.com/files/ckuploads/files/36491693632.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160812b2229fea---98549255180.pdfIn PDF document text
- http://metallpress.ru/files/sitifetutuvam.pdfIn PDF document text
- http://sskj.pl/userfiles/file/73423152460.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=ford+6600+manual+free+downloadPDF link annotation
- http://irodori.kir.jp/files/file/totigojigel.pdfIn PDF document text
- 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_off0000e6e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6E0 | 10612 bytes |
SHA-256: 6d4f162d69858eb5a080aa9768e35703cbe7ad32e9527b42cae28850a38366d7 |
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font_01_sfnt_off0000ff25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF25 | 16904 bytes |
SHA-256: b878ab598fa9b801956fde2f098db12049986b60869a9e936e9a781154095537 |
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font_02_sfnt_off00012b2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B2E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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