MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of external URIs, many of which point to compromised WordPress installations. This suggests the document is designed to act as a link farm, potentially leading users to phishing sites or further malware downloads. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://wastran.ru/uplcv?utm_term=protec+ice+rink
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/e94500fc70db243a56db253f2a2f5b86/dojane.pdf
- http://fixmyhelicopter.com/project-new/christianbook/upload_images/file/vudopodagawudufikugupaxe.pdf
- http://archissimo.eu/userfiles/files/bixorakurek.pdf
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160a1a65c75dbf---91141614599.pdf
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b999dba2e9c---nifovonaregogerow.pdf
- http://payassistinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f7d0e6a7b6---kuzerawiloxukuwuvis.pdf
- https://torbay.ru/images/uploads/file/wafunopasebanonimowavanaz.pdf
- https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/567798ea2edb235116e211108b870d83/mesagewokix.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607982743230a---67605689911.pdf
- https://autoandtruckrepair.net/nbloom/fckuploads/file/58174594894.pdf
- https://morethancleaningservices.com/wp-content/plugins/super-forms/uploads/php/files/d0163fcb64f8ba553f095535da6e0eeb/12967525896.pdf
- https://fo-prefectures.com/pages/files/66068008492.pdf
- https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/o7o7d1d205r0223968uoohl02u/tovukiwadokupu.pdf
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/c2488b3f944f76a79370997203844fdd/85837768907.pdf
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607debe0b988e---4530672701.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0f77d9757---53601509878.pdf
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/511kclnb8c941rcii58kcailhj/xojovibaxudojupibax.pdf
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16072e3d0629fb---niwanovagojabar.pdf
- http://p-itos.net/admin/userfile/image/file/95166283231.pdf
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/a8d1qqsr3ggacpohu21kdggra4/36567468221.pdf
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b28777cfb77---25891127900.pdf
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099b7b0d7771---70989204163.pdf
- http://mintaialuminum.com/d/files/64621751589.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_off0000b875.bin105aa9a66325efe037c1382b4772f9294e106f1153a76b9c23d1379f6904af43 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB875 | 9940 bytes |
font_01_sfnt_off0000ce84.binff834d8e27ee6c43329f79f1e60436827f8e879b8da2301d307572364bcb2bb9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE84 | 15608 bytes |
font_02_sfnt_off0000f62c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF62C | 16792 bytes |
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