MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm directing to multiple compromised CMS upload directories, as indicated by the 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics. The ML classifier and ClamAV also flagged this PDF as malicious, specifically as a phishing trojan. The embedded URLs are likely used to distribute further malicious content or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://hondasushi.com/uploads/files/25085830771.pdf
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/65fb9833c6d03bc4ba0ce9d59c372f37/vanusukatufagobagububub.pdf
- http://www.aluvascientific.com/UserFiles/file/janedenepulevasejezoduwi.pdf
- https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/0461b46d1c109193d8b9a8e93acfe7e9/72593661269.pdf
- http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/71095982615.pdf
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607446ee42354---6711920354.pdf
- http://quaretti.it/userfiles/files/98550442357.pdf
- http://christopherdallo.com/file/zusaf.pdf
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/ftqn5t9qiflj74dtcefgohgvgl/10097643416.pdf
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/6burvvdvbcmlentader6j24g8o/zotubovuzedotepubume.pdf
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160984f6ed37de---3860624881.pdf
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/cf4173906ecb677d31c82943c316543d/97851212563.pdf
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/17781d612661336e7b170cc7caa54ad0/10547452487.pdf
- https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/f8724539624442f84eb89cb94bc245f1/jesig.pdf
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cae2e8c424---sigepiguta.pdf
- http://bogelaipigeon.com/upload/file/sapuribosafajuxawewukusut.pdf
- http://lacasedescaraibes.fr/file/dosuti.pdf
- https://rajakedua.com/contents//files/59993310390.pdf
- http://gianniarnaudo.com/userfiles/files/vilibifonujopatijig.pdf
- https://latework.cz/soubory/40580919991.pdf
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a883cdcfe35---61906543090.pdf
- http://parvazyab.net/basefile/api203/files/42641690498.pdf
- https://autoprofi.ua/userfiles/file/tagetamufuwuwamuvomunan.pdf
- http://russkiivopros.com/images/FCKeditor/file/25256557560.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=stage+directions+literary+definition
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed0f.bin21372e5a3443accc059e15487777a4a0f68ef3dad561d55c2394b514c37cde9c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED0F | 10840 bytes |
font_01_sfnt_off000105f3.bin09a71c38f51fb2899a80988e56ca69b3b7f340fcb94ae8eba8061bd9b7d0276a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105F3 | 17600 bytes |
font_02_sfnt_off000133e9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133E9 | 16792 bytes |
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