MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple compromised websites, likely intended to trick users into downloading a malicious file. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of numerous links on potentially compromised CMS upload storage further supports a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/16089a844b6417---fevejusorutiravu.pdf
- http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608accbe4187b---44353817018.pdf
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0d4835e5ce---14419389166.pdf
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a3904f61a81---mesoxozisotemu.pdf
- https://ckmusicdesign.nl/userfiles/file/85620869769.pdf
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606d59bbea755---vewuxar.pdf
- http://younewstoday.com/task/userimages/file/18378747312.pdf
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/f5639aab1a87bad8d0e0853af999e8b9/tikuminuwonu.pdf
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca415f29f4---84872859148.pdf
- http://strahovka66.ru/userfiles/file/pusenabugenakewotonini.pdf
- http://oryginalnedekoracje.pl/userfiles/file/89301177613.pdf
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/a02c9befe93535942e90909aa146034e/29444215463.pdf
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608750cad67f5---26140914444.pdf
- https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/956d1b256b3de9f7fe52bed159580428/labasiv.pdf
- http://www.cbs-emballages.com/upload/file/92138849627.pdf
- https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/vjiahr2et3bvdeleap6mau34j2/saponidasuzavofojozopug.pdf
- https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/ca7d3c621dbac19fcfafe03e77295288/liwaxugurezun.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=great+expectations+free+pdf
- 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://scripts.sil.org/OFL
- 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_off00020d73.bin6f8e1584c04322b914727771f475bed10e61fe3109111249e565783ede2364a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x20D73 | 5216 bytes |
font_01_sfnt_off00021f47.bin1ee707e0b861ce016947c5e8559c25c24133593938c74d4993207930da633520 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x21F47 | 12904 bytes |
font_02_sfnt_off00024a64.bina95eff378c135b1ab40d10b3cd1da1bafbc07f86005f57898d079c90d712ddbd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x24A64 | 16204 bytes |
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