MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users. The presence of embedded URLs and the PDF structure strongly suggest it's used as a lure, likely for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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://coretry.ru/uplcv?utm_term=sales+manager+interview+questions
- https://www.myosiaffiliate.com/199trust/img/file/10994533232.pdf
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160b7a5332c6ff---76868776734.pdf
- https://bestofbucerias.com/upload/file/joxofibifijegopukag.pdf
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f8acdab1ba---zinosuxobesuvusuv.pdf
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/89q6sms533o1cvsnhhe459ahcu/mekunasikivegefemadata.pdf
- http://hy-concrete.ru/d/files/10017071644.pdf
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/117cf011b415bb3a770c5de0384f6fcd/32550568375.pdf
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfae0e724f2---siwixexetawuropibigeze.pdf
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/04a5c689ffde6db2768ff17fa9175386/bigenulaxekakositebogatan.pdf
- https://tonitomov.com/picture/file/11963085179.pdf
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/mbk20tn0r40lolfmiblt3ptd88/56998704619.pdf
- http://www.euro-fly.eu/userfiles/files/waropubir.pdf
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/aj442tuj1rvoh8m5aedn3f4j9h/labifurugivozelo.pdf
- http://ttccid.com/userfiles/files/vusuduzefa.pdf
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5ddf8a0803---57163591313.pdf
- https://mintowncoffee.net/uploads/images/files/57449461653.pdf
- http://aivieksteslaivas.lv/userfiles/file/welaro.pdf
- https://sharadsangam.org/UserFilesTwo/file/kopamixazob.pdf
- http://americasbestmanassas.com/uploads/files/41095174005.pdf
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/a1b72ebb075f97de35d44d5e3929700d/pekujovazixemixafexa.pdf
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1608d51aaac429---vivuradarijarodun.pdf
- http://aeronautike.com/userfiles/file/11116537073.pdf
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a6b60a949---23742862784.pdf
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/1aefc12c000c482d3ddf35bb9357b751/mubivebazumizajamiwif.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_off000118ac.bine4877eaf7970230af917ea5553478d28ef323feedaac45c4b5c3848793b16941 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118AC | 10924 bytes |
font_01_sfnt_off000131ae.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131AE | 16792 bytes |
font_02_sfnt_off000149c0.bin7f971767e1d5fcaa1e6ffa740d0221ce1b137ed14a29e25009dd7ed09e6e1fce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x149C0 | 16796 bytes |
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