MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://catamma.ru/uplcv?utm_term=english+a1+pdf PDF link annotation
- https://vibanghanoi.com/uploads/files/wasajumelexolenebo.pdfIn PDF document text
- http://arucax.am/user_images/file/faximalofikemezunarebum.pdfIn PDF document text
- https://ancoraeducacion.com/images/99686833005.pdfIn PDF document text
- http://vytvarnyobchod.cz/UserFiles/File/76653948286.pdfIn PDF document text
- https://smgbid.com/ckfinder_userfiles/files/52748067836.pdfIn PDF document text
- http://ooexperience.be/assets/Image/files/31143167986.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/87dca1ad3b4161258449dbf2f2190a04/20801967053.pdfIn PDF document text
- https://jnnjhansi.com/userfiles/file/74306415671.pdfIn PDF document text
- http://unicaconsultoriarh.com/images/files/butizuxegaxatixem.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138f0ccad56f---77168142221.pdfIn PDF document text
- http://www.electricman.in/demo/frontend/web/uploads/files/vagefoxab.pdfIn PDF document text
- http://bukharageorgia.com/sites/default/files/file/betiwiju.pdfIn PDF document text
- http://diamant-x.sk/UserFiles/file/51760700524.pdfIn PDF document text
- https://abbma.in/admin/uploads/file/pozakazofug.pdfIn PDF document text
- http://solentpodiatry.com/jackvl940/web/content/images_uploaded/file/88948001575.pdfIn PDF document text
- https://padservhosting.com/userfiles/file/76704769289.pdfIn PDF document text
- http://silverk.ru/img/lib/file/26734374033.pdfIn PDF document text
- https://pixel.bg/img/file/69799063187.pdfIn PDF document text
- http://csc0451.com/userfiles/file/20210912115859_oigcpo.pdfIn PDF document text
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/16133f4928c1a7---kepuvafavimik.pdfIn PDF document text
- http://elskenecologie.nl/files/91488221422.pdfIn PDF document text
- https://binarbaidequipment.com/public_html/userfiles/file/65182917203.pdfIn PDF document text
- http://etyekilovarda.hu/userfiles/file/pisijupe.pdfIn PDF document text
- http://satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/pelaximapugotasi.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e3c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3C3 | 19872 bytes |
SHA-256: 2ae336fc45fa0b975f935c1e1733de14d0678f07f3a738ada044b7c99acd0797 |
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font_01_sfnt_off0001176f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1176F | 10364 bytes |
SHA-256: c2f05c3e82c6778d53a8815958b8131b198528d098ba3bdab7d25c37ae94049d |
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font_02_sfnt_off00012e7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E7F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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