MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to various domains, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly indicate a link farm designed to redirect users to malicious content. ClamAV detection and ML classification further confirm its malicious nature, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://cructi.ru/uplcv?utm_term=exploring+our+world+pdf PDF link annotation
- https://thefertilizerproductionline.com/d/files/80584242433.pdfIn PDF document text
- http://fuerst-architects.com/uploads/file/15518925584.pdfIn PDF document text
- https://wildarium.com/ckfinder/userfiles/files/86069024752.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/qsthjeba73fnd6ievrdvtn6s4n/refabojejopobepisodu.pdfIn PDF document text
- http://swaminarayangm.org/userfiles/file/ralinesarevew.pdfIn PDF document text
- http://worshipedia.net/sites/default/files/file/92837808093.pdfIn PDF document text
- http://shangrilatheshow.com/ckfinder/userfiles/files/wepivexilagetukekesugo.pdfIn PDF document text
- http://auburn-properties.com/userfiles/files/bajurodu.pdfIn PDF document text
- http://chaukitchen.com/uploads/files/24663226481.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161330c8f2d72b---bizudozawolexape.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ba997a14bf---38046093860.pdfIn PDF document text
- http://qiuyutv.com/userfiles/files/20210903044913.pdfIn PDF document text
- http://galeriejacqueselbaz.com/userfiles/file/xiwelozafukinaf.pdfIn PDF document text
- http://balony.dmuchance.eu/userfiles/file/1152909542.pdfIn PDF document text
- https://quangcaowebsite.vn/uploads/files/jebomevapamusokituxiz.pdfIn PDF document text
- https://whereestar.com/marinarubicon/admin/file/23149479634.pdfIn PDF document text
- http://immobilieninvestors.org/userfiles/file/13743643782.pdfIn PDF document text
- http://minerva-collection.net/files/files/tojunuvokizonapebaxo.pdfIn PDF document text
- http://se-ty.ru/uploads/userfiles/file/16529824166.pdfIn PDF document text
- https://dcoderesearch.com/uploads/vozisepadefexopoved.pdfIn PDF document text
- http://pokeocncafe.com/uploads/files/59708511263.pdfIn PDF document text
- http://kolesnikov.pro/ckfinder/userfiles/files/5371820813.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_off0000bb10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB10 | 16996 bytes |
SHA-256: ac618a42a3fdb6d12d73148e70b01362ea3372f043d924cbac6562efdfe57bfe |
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font_01_sfnt_off0000e747.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE747 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ff5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF5E | 10384 bytes |
SHA-256: ab5afe8dbdffe91c7b4cb0fda7de84181e575a27ea7f6486bbdaec79ec51900a |
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