MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The presence of a link farm pointing to compromised CMS uploads and disposable hosting suggests an attempt to lure users to malicious sites. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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 http://spbi.cz/res/file/74935999515.pdf In PDF document text
- https://kme.pl/global/app/webroot/uploads/file/16304472994365.pdfIn PDF document text
- https://radekslodkiewicz.pl/files/file/36541021993.pdfIn PDF document text
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/0f687d26cdbc2e6a33331d10e382a575/febuxakorulozoteta.pdfIn PDF document text
- http://myphammonly.com/luutru/files/dadonunefixijosulugonevez.pdfIn PDF document text
- https://contemporaryteas.in/admin/uploads/file/josomokotupudizewuv.pdfIn PDF document text
- https://acconpriti.com/ckfinder/userfiles/files/85292009784.pdfIn PDF document text
- http://photopuzzle.net/userData/board/file/bisujum.pdfIn PDF document text
- http://ebus.cn/up_file/file/gewuzawamobokedil.pdfIn PDF document text
- http://rc-modeller.se/images/file///wetozefemigafako.pdfIn PDF document text
- https://senarathgroup.lk/assets/media/file/69180428683.pdfIn PDF document text
- http://sys-svinding.dk/userfiles/file/84296798200.pdfIn PDF document text
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613db6d2a92cf---fuvefixabilob.pdfIn PDF document text
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/6r9bttmfku13kqbprq4vbmeol5/wolizutogimobuxamorutuseg.pdfIn PDF document text
- http://fpole.ru/sadm_files/konosutujozoput.pdfIn PDF document text
- http://sz-nuoyi.com/Upload/file/2021091204170615064.pdfIn PDF document text
- http://www.protectakoteasia.com/ckfinder/userfiles/files/mabudaxejenerib.pdfIn PDF document text
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/161452ee89dc84---65422171370.pdfIn PDF document text
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/8foj5vravvh2chdmvlcs9lnr12/dufamepenaxorom.pdfIn PDF document text
- http://youngthisyear.com/ckfinder/userfiles/files/91628667928.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=cara+mengaktifkan+lampu+led+androidPDF link annotation
- 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_off0000cdbd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDBD | 16348 bytes |
SHA-256: d89f8629629021c7d74157e7761f84439e4b99204319b1d5216d1abaf4a6d9dd |
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font_01_sfnt_off0000f81e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF81E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011035.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11035 | 10896 bytes |
SHA-256: 74d85ad12ff9f0b5417d670883e74400f065f98c51ccc87321b0ce7220bc2bf1 |
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