MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and disposable hosting domains. These links are likely intended to redirect users to malicious content or phishing pages, serving as a lure for further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1613c4631700a2---21691557257.pdf In PDF document text
- https://leo.tw/upload/ckeditor/files/bexarogod.pdfIn PDF document text
- https://gemicilojistik.com/userfiles/upload/file/78391253778.pdfIn PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/5glcao3a2uuop4769t825nrkk7/setuzixavewumilex.pdfIn PDF document text
- https://lalicorne-hotel.com/userfiles/file/ditubov.pdfIn PDF document text
- https://franchisebusinessadvisors.franchisebrokerwebsites.com/broker-site/files/files/76674742982.pdfIn PDF document text
- http://banghetretruc.com/media/ftp/file/48714725661.pdfIn PDF document text
- http://www.nomorcantikjoss.com/file/2128566624.pdfIn PDF document text
- http://www.focitabor.hu/userfiles/file/vizerulexoloriluwa.pdfIn PDF document text
- http://dkyangmei.com/uploadfile/file/2021091123003773499.pdfIn PDF document text
- http://dentalclinicbangalore.com/uploads/26240398590.pdfIn PDF document text
- http://poliinc.com/upload/files/18572525608.pdfIn PDF document text
- http://hublihorse.com/uploads/userfiles/files/43581473985.pdfIn PDF document text
- http://hzbmsj.net/images/upload/File/86913658374.pdfIn PDF document text
- http://hevolta.com/upload/file/27038529637.pdfIn PDF document text
- http://appartenvue.net/appart/upload/images/sevij.pdfIn PDF document text
- https://snapstudios.ca/userfiles/file/51336084675.pdfIn PDF document text
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f33f1e8d05---44050804863.pdfIn PDF document text
- http://youngthisyear.com/ckfinder/userfiles/files/laxuk.pdfIn PDF document text
- http://hanaelectric.com/userData/board/file/dudivutif.pdfIn PDF document text
- http://majedalkarkhi.com/pics/file/59073339425.pdfIn PDF document text
- http://ateliergermain.org/sites/default/files/file/76549084180.pdfIn PDF document text
- https://masukpt2.com/contents/files/29695859446.pdfIn PDF document text
- http://oralrem.kz/ckfinder/userfiles/files/40626129008.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=lebanon+language+to+englishPDF 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_off0000dd74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD74 | 18412 bytes |
SHA-256: b21d314ca128ec57451ec565cebe74ef23441b2c7ec3a057e3287952e0fed6ab |
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font_01_sfnt_off00010cc0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CC0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000124d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124D7 | 10484 bytes |
SHA-256: 437bfe9ad18bba10a2be95c5b2342c5870299eb72b38eb7c7a7abd3a411d1a3b |
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