MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to various domains, some of which are hosted on compromised CMS platforms. The presence of numerous unknown URLs suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://flightshop.jp/images/blog/file/5968619536.pdf In PDF document text
- https://szabobuszberles.hu/files/files/gibugegubolasupumobamo.pdfIn PDF document text
- http://abwmercury.com/uploads/files/berixijuxejox.pdfIn PDF document text
- https://il-gusto.com/images/file/moboligobo.pdfIn PDF document text
- http://tunglamgarden.com/images/fck/file/50272505063.pdfIn PDF document text
- http://dkind.net/userData/board/file/dosojigapum.pdfIn PDF document text
- https://manorhair.com/uploads/files/202109022019559855.pdfIn PDF document text
- http://hondatayho.vn/images/ckeditor/files/lekaz.pdfIn PDF document text
- https://rendszergazda-cegeknek.hu/ckfinder/userfiles/files/zabovusajixalinoxifudobo.pdfIn PDF document text
- http://rgn2u.com/userfiles/files/75747908866.pdfIn PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613804c992823---vapojate.pdfIn PDF document text
- https://hometutorsdelhi.com/userfiles/files/81953261255.pdfIn PDF document text
- http://broadviewlibrary.org/uploaded_bvlib/file/raxuzuvabatufixume.pdfIn PDF document text
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/984933a9504e2b1809c0f9a3d0181fda/buzogipowox.pdfIn PDF document text
- https://procogs.com/FCKeditor/file/finuledawederuxiniwexotup.pdfIn PDF document text
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/03533aa091271ee27b49347479c9954e/82369995036.pdfIn PDF document text
- https://408of53crownstreet.com/assets/media/files/30795642933.pdfIn PDF document text
- https://qpshouse.com/upload/image/file/2461308221.pdfIn PDF document text
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137a771697aa---zeneb.pdfIn PDF document text
- https://aiwcecckolkata.org/FCKeditor/file/rozedutema.pdfIn PDF document text
- http://tianlanip.com/filespath/files/20210901061341.pdfIn PDF document text
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/161353b25b2046---2858712959.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=kindle+fire+os+versionPDF 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_off0000d285.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD285 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ea9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA9C | 10144 bytes |
SHA-256: 2f871fcbc23c2fc6fa08ac76facd4893a642167bcdcfa1adefb0ee9058787c19 |
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font_02_sfnt_off00010154.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10154 | 18460 bytes |
SHA-256: aca7d07f8810f28e52d86f12f19e220a055c208385df1ab197473c14275a9495 |
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