MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS upload storage, suggesting a link farm designed to redirect users to potentially harmful sites. The presence of multiple external URIs and link farm heuristics strongly supports a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://letresorellebio.it/userfiles/files/bepifuzogumolitosafo.pdf In PDF document text
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/6f811f31f0636326bbb0209fdc7b6a00/87835235214.pdfIn PDF document text
- https://law.com.sg/wp-content/plugins/super-forms/uploads/php/files/9f94c26286bf24124008ad183beee028/guveritipo.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/7fgan5gm65lt0j2sl67aih0k7b/75397385976.pdfIn PDF document text
- http://ambulatorioveterinariorigolon.eu/userfiles/files/xesewawezelebumadove.pdfIn PDF document text
- http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a34f8e6185---lakunowowupakexogerobal.pdfIn PDF document text
- http://fasson.vip/images/editor/files/situnune.pdfIn PDF document text
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/224a6f673349d6adbb47d326195b2b6d/kulogevozupodomesoti.pdfIn PDF document text
- http://griswoldremgmt.com/uploads/files/loziv.pdfIn PDF document text
- http://ggmtc.net/userfiles/files/bakepusezabamume.pdfIn PDF document text
- http://jmestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/83581073561.pdfIn PDF document text
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a2ff8cb155a---zikulapafunevawinadazugu.pdfIn PDF document text
- https://uleiuri.ro/userfiles/file/gavizaw.pdfIn PDF document text
- http://toonesk.com/upload/56124274552.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/35121096112.pdfIn PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a6b45d40a98---50952450558.pdfIn PDF document text
- https://polandpools.com/contents//files/18788807587.pdfIn PDF document text
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/1d7f228f3b2ffe418be55ac3d4fdc415/monewerawimuronuforam.pdfIn PDF document text
- https://gamedunyasi.com/calisma2/files/uploads/88938464853.pdfIn PDF document text
- https://rockyshairsalon.com/wp-content/plugins/super-forms/uploads/php/files/lscs9s1cni8maig5mc6udtoaka/fixenevelasigoxudimuxoka.pdfIn PDF document text
- http://shreejians.com/userfiles/file/14622266254.pdfIn PDF document text
- http://changwontour.kr/FileData/ckfinder/files/20210829_343B469FB3CABC91.pdfIn PDF document text
- http://tutek.eu/userfiles/file/gikison.pdfIn PDF document text
- http://cochu.net/resimler/files/jitetoton.pdfIn PDF document text
- http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/6200d35e037a9b119e7c43b89f580fa3/xovapolesikol.pdfIn PDF document text
- http://k-sta.kr/FileData/ckfinder/files/20210830_9D30D90BE1F4F2DE.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=light+headed+and+confusedPDF 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_off0000ec9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC9C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000104b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104B3 | 10668 bytes |
SHA-256: 500406798087f36a5d1b2281b8a5468693a21e8be90d45aba36370346b233d2d |
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font_02_sfnt_off00011cde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CDE | 17608 bytes |
SHA-256: 6490d914f843fbc4dba086e8e3a3005e4981eeb9af6b21d3cb0bf04a89f3faf1 |
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