MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to numerous domains, many of which are hosted on compromised WordPress sites 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 document designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://daehwa.info/uploaded/file/karenewovivoku.pdf In PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/3558f0f1bb95a5432b06c8397b4e8cf8/bakuwekipalo.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160908b6a48837---19824493904.pdfIn PDF document text
- http://biomassasia.net/data_ed/userfiles/file/57917280706.pdfIn PDF document text
- http://jmlukanich.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/87380847150.pdfIn PDF document text
- http://cwesp.biz/upload/file/karex.pdfIn PDF document text
- http://techsystem.gr/data/uploads/ckeditor/files/86160880388.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/ulbr4p632nm87i9pj3j72jbb05/12812249384.pdfIn PDF document text
- http://abovomedia.hu/_user/file/papizubosolakikikop.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-5-17/20210517024454557242.pdfIn PDF document text
- https://www.helpforbusymums.com/wp-content/plugins/super-forms/uploads/php/files/b9d48340aa4d78cff8842a15aac6fe6c/kufika.pdfIn PDF document text
- http://drive4smilesontario.com/clients/e/ed/ed023a0734c265ca673a92d1d81de675/File/mevofowugamosoru.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/3ce319ff6e6783d8a2407cd18efa2de0/sisubefijasexelivupejina.pdfIn PDF document text
- https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/lpvvuo7ftm4itqpmsq0l96e9j0/99727976606.pdfIn PDF document text
- http://iaestedresden.de/userfiles/file/37244501749.pdfIn PDF document text
- http://jjinline.org/file_upload/file/95958642145.pdfIn PDF document text
- https://pima-alarms.net/slicice/file/38896438604.pdfIn PDF document text
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/70e2954664c02eacf563e4cfa49e79df/guzepedubulakevep.pdfIn PDF document text
- https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/r573hoq7utmshsin65vov90b59/paxepa.pdfIn PDF document text
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ace8be9eb13---simegotupamusigikuzedida.pdfIn PDF document text
- http://didongsinhvien.com/upload/files/78149347696.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/dfaf7e8a4b01ab4db9dc948ddda0df29/kisimo.pdfIn PDF document text
- http://carriewoodfamily.com/clients/5/5b/5b9f2fb360c4065436fb7fe1267c3612/File/sabufexetavunogapojo.pdfIn PDF document text
- http://schokozentrale.de/idata/xawamekafof.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16087498acbc83---julopufureluli.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=baby+teething+at+10+monthsPDF 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_off0000f238.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF238 | 10888 bytes |
SHA-256: 3f608d2adefdfd6bd8c1c0c93755ef60cdd7b9aeac45b5b8d586d8cfa70d38e9 |
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font_01_sfnt_off00010b54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B54 | 17416 bytes |
SHA-256: 77c4b3ad807931cb2703d94659b5327dbf424a4468b22a0a5c201c683ddee59e |
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font_02_sfnt_off0001389e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1389E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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