MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The file was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of a phishing lure. The heuristic 'SE_BROWSER_INSTALL_LURE' indicates the document likely prompts the user to install a fake browser extension or update. Numerous URLs hosted on compromised CMS platforms and disposable domains were extracted, suggesting a link farm designed to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c693c22b165---dagumusefikaliwa.pdf
- http://broadviewlibrary.org/uploaded_bvlib/file/gixemudunaxujut.pdf
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/jolu544ubagt4sm18sqtbpsb8g/13106572995.pdf
- http://zimaletto.com/uploads/file/judatoxogijitofiz.pdf
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/8d0f24e93c47b2fa2a25b94569dd0c84/78988724997.pdf
- http://albertopizzetti.it/userfiles/files/77603737856.pdf
- https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/168ccd6901afcc4634c08ab9b96e2883/zipazivojena.pdf
- http://polkovnik.su/upload/file/51426710303.pdf
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/psoh38uqkgqpj9jm8somlcdto3/vekuniw.pdf
- http://insidethedigitaltrend.biz/userfiles/file/buladimuni.pdf
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/160828dee688e3---xaxisulipujipedot.pdf
- https://clap-bas.com/userfiles/file/3612797871.pdf
- http://drapikowski.pl/uploaded/fck_files/file/42219730183.pdf
- http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160c50e22adfa0---xilapag.pdf
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a30b8431454---kojad.pdf
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/0d3e6be022d1fec874f6b54867f729c9/fuwoxedidinutixo.pdf
- http://allprintusa.com/admin/images/file/67857292655.pdf
- http://eros-arena-reutlingen.de/eros/userfiles/file/63390230356.pdf
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adad2635ace---lewukuretenuw.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/cb7ada477f2c441d5e7389872a84d086/nikawalifopedajazagenise.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/cr84tvmefphv1mgvg7mjt1k267/wubakaxixu.pdf
- http://www.aadhar-interior.com/userfiles/file/nafozevanisapimizidi.pdf
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d85f1002e9---ridifomuzifewubal.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=i+we+you+he+she+it+they
- 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_off0000e39d.bin725f15d9ad5fcff2879858613aba8db46bc05d10c2e26c7784dabc2deebf86ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE39D | 10044 bytes |
font_01_sfnt_off0000fa38.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA38 | 16792 bytes |
font_02_sfnt_off0001124a.bin4f1aa5d35ec9db2e9d2ca830ae3e3a123b92de4eca0ab040ee6ae9fd832a5041 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1124A | 17400 bytes |
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