MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains numerous embedded URLs, many of which point to compromised WordPress sites utilizing formcraft or super-forms plugins. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The document's structure as a link farm suggests an attempt to lure users to external, potentially malicious, resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://huntic.ru/uplcv?utm_term=continuous+professional+education
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/160a7ecb85bc54---warozuminosoruxemel.pdf
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a7f8925257b---gofovogogatoxemutoline.pdf
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608b36f88fd0b---73619503898.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160bc4f3163001---72293241317.pdf
- https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/6059ec698607e8651f6cdf9b1b3af83e/66090817949.pdf
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b360e824a3b---jumozogimuno.pdf
- https://x-software.cz/data/file/moguguvo.pdf
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160a2b91d12df6---wuzelusa.pdf
- https://etonbio.com/newsLetters/images/file/bofuwononave.pdf
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e879e0b404e8e303d558f6bce9d12981/sozesizuxaxisataxupudifiz.pdf
- http://irinaburmistrova.ru/files/42244781965.pdf
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160aafa0949126---lupirogunafogam.pdf
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/98gsp1fbllfkvp2b76hv9rtb8i/jilakolavufutodokufazo.pdf
- https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/fa3bari7lr4m1o89odhc8bak6e/zenuno.pdf
- http://leaguengn.com/userfiles/file///kuxojoxivoribepiwa.pdf
- http://sbsinternationalschool.org/sbsisnew/userfiles/file/lusezitugoxeval.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080460487a0a---fesilogawenaloxe.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd555e7460d---tukobanodo.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/286be98df33bd317a972f423453710da/92075665249.pdf
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e7d429532e---fojukufebi.pdf
- http://lapenya.cat/imgjovesnaves/file/29483376529.pdf
- http://bioterapiazabiegi.pl/obrazy/file/79776062650.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://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_off0000e4b0.bin42233167c1b641b75a876f5c9c2dc8604d1137b003572734d74bb328ade4e282 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4B0 | 10744 bytes |
font_01_sfnt_off0000fd8a.bin82a6dd9bac5f2ee10c30cf9f215d4dbff2766a235559a9db9a4fa278aeed5b40 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD8A | 15964 bytes |
font_02_sfnt_off0001267e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1267E | 16792 bytes |
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