MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, presenting numerous URLs that likely lead to phishing pages or malware downloads. The presence of multiple compromised CMS upload links further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://inwebjor.ru/uplcv?utm_term=diya+aur+baati+hum+episode+30+march+2014 PDF link annotation
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/1af74c2bd039453f9059e3c1883159eb/nisizedatuvusi.pdfIn PDF document text
- http://accronline.com/userfiles/file/kiwes.pdfIn PDF document text
- http://bagiez.com/userfiles/file/73772073784.pdfIn PDF document text
- http://nhs71.com/clients/d/d9/d9c6bfbc4bbdd207836d30c01fe5869c/File/64352102085.pdfIn PDF document text
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/e1b4452e84d72f29a9a930b746375396/94091014079.pdfIn PDF document text
- http://goodmix-psc.com/userfiles/files/rosemuvorima.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c5c1679b7f0---pelebet.pdfIn PDF document text
- https://medtek.vn/storage/file/zebofonosajufipidi.pdfIn PDF document text
- https://catequesisnavarra.org/guiarte_userfiles/files/97489497058.pdfIn PDF document text
- https://solidpractise.com/files/userfiles/file/36070723187.pdfIn PDF document text
- https://butterfly-propertymanagement.com/userfiles/file/melet.pdfIn PDF document text
- https://farmstead.tw/farmstead/upload/files/sazix.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160de22b20be5b---25758468860.pdfIn PDF document text
- http://ieeepes-thailand.org/app/webroot/files/files/62994260528.pdfIn PDF document text
- http://fotofolliasanlazzaro.it/userfiles/files/bivefiwusowe.pdfIn PDF document text
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4cb9e5dc42---46887072154.pdfIn PDF document text
- http://merwepizza.com/upload/file/nuvodawokezigepomu.pdfIn PDF document text
- http://abwpetersburg.com/uploads/files/30669158463.pdfIn PDF document text
- http://chukysovin.com/img-svc/files/57849094282.pdfIn PDF document text
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/3ece353007a63232e5efa1b3bb87aa41/vapaw.pdfIn PDF document text
- https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/e2fsaavkq4h9fmufomgkr5bm3p/93344481641.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_off0000d5f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5F6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ee0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE0D | 11528 bytes |
SHA-256: 51876e8a8b7ce9516bf5b668d70f35f8611e2a629ebf844a8850a66e865a7dd1 |
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font_02_sfnt_off0001095a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1095A | 17316 bytes |
SHA-256: cfbc09611062c275a5bac0b96ae6ef12563c26615ca2e0777a82c5f1d0c30c6e |
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