MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous URLs, many hosted on compromised or disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. No scripts were extracted, but the structure and URL patterns are consistent with a malicious PDF dropper.
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 https://guapa2.com/admin/fck/file/debogarijefemasaxoxipo.pdf In PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/d54b7e10f2102815b10df423fcb89600/wojorinowanak.pdfIn PDF document text
- http://wignaccent.com/FCKeditor_2.6.3/userimages/file/20210918181845.pdfIn PDF document text
- https://vhssirimpanam.org/ckfinder/userfiles/files/kogivukimurovixigevera.pdfIn PDF document text
- http://worldcar.jp/userfiles/files/kufosutak.pdfIn PDF document text
- http://florylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/39478286321.pdfIn PDF document text
- http://chaukitchen.com/uploads/files/49829252447.pdfIn PDF document text
- http://gemcom.org/userfiles/file/28624355550.pdfIn PDF document text
- http://avvocato-callegaro.it/public/file/37477965090.pdfIn PDF document text
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/f13ac32c892650eddccc69e1db5d13ff/71679281535.pdfIn PDF document text
- http://hzyixiangchem.com/upload/files/27411263907.pdfIn PDF document text
- http://piazzademarini3ge.com/userfiles/files/wexapuli.pdfIn PDF document text
- https://96662888.com/editor_upload/file/99998130225.pdfIn PDF document text
- http://hanahana.vn/media/ftp/file/24161050766.pdfIn PDF document text
- http://plise.org/userfiles/file/dugegegetudazi.pdfIn PDF document text
- https://pchome.uzai.ca/upload/files/44088491400.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/0cf26198381ab1d394e78b4aa5d139c0/11874687292.pdfIn PDF document text
- http://lpc2529.com/piceditor/file/56463744992.pdfIn PDF document text
- https://cristalparkhotel.com/ckfinder/userfiles/files/feligazujolawuvulukasode.pdfIn PDF document text
- http://rubella2.integra-sh.com/userfiles/file/banupijuvota.pdfIn PDF document text
- https://atcotourismtravel.com/userfiles/file/93782602414.pdfIn PDF document text
- http://w-w.cn/isee/pfm/cms/uploadfile/fck/file/33288120204.pdfIn PDF document text
- http://sziszolg.hu/editor_up/46276006683.pdfIn PDF document text
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bd25d03618---29815320002.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=spring+batch+retry+examplePDF 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_off0000afda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFDA | 10964 bytes |
SHA-256: e015738a8540e99127e88c75f5773fdf2b18baddd3221121f43f8e071c4435f7 |
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font_01_sfnt_off0000c8ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8EF | 15752 bytes |
SHA-256: b483df1037c6e036adb22c39006ce6b7423dc02c86e18042d27d1830ad2e6d97 |
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font_02_sfnt_off0000f0e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0E4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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