MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains numerous links pointing to various domains, many of which appear to be compromised or disposable hosting. The heuristic 'ML_NYX_PDF_MALICIOUS' and ClamAV detection strongly indicate malicious intent, likely a phishing or malware distribution scheme disguised as a Flash alert update. No scripts were extracted, but the extensive link farm suggests the PDF's primary function is to redirect users to malicious sites for further exploitation.
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://smidgel.ru/uplcv?utm_term=download+flash+alert+2 PDF link annotation
- http://erainbowrealty.com/userfiles/file/xurifefifodutafomel.pdfIn PDF document text
- http://kernenshepler.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/ninugopofexaz.pdfIn PDF document text
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/uhd1f84n76dibok2f3ds1j7ekt/1130417308.pdfIn PDF document text
- http://kool-house.com/upload/editor/file/3442099509.pdfIn PDF document text
- http://petgears.com/app/webroot/files/file/wigivoxalaxuwogevomelelu.pdfIn PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/75f9cfabdc53b3e62e8c358eb306f76d/34795479728.pdfIn PDF document text
- http://gianenricofabro.com/userfiles/files/kofabafofaxoxowemap.pdfIn PDF document text
- http://co-wemart.com/careeruserfiles/file/govaxizowobezewixiw.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b3be3b5924---50816583211.pdfIn PDF document text
- http://orikon.net/Images_upload/files/terenigel.pdfIn PDF document text
- https://www.willmarshelter.com/ckfinder/userfiles/files/duwavunijamodanujiruguw.pdfIn PDF document text
- http://feuerwehr-mittenwalde.de/mediathek/files/jurizedezumufawefi.pdfIn PDF document text
- https://stiff.pl/ckfinder/userfiles/files/getez.pdfIn PDF document text
- http://peterpan1996.it/userfiles/files/41506866990.pdfIn PDF document text
- https://ascend.sut.ac.th/ce/2017/src/plugins/ckfinder/userfiles/files/tudabepofojogavodifisatu.pdfIn PDF document text
- https://qfuse.it/images/uploaded_files/ckfinder/files/1631335842_39554bfa1d.pdfIn PDF document text
- http://sinojjacob.com/userfiles/file/68253880360.pdfIn PDF document text
- https://jokerprod.net/userfiles/file/40100673256.pdfIn PDF document text
- http://zbigniewrodak.pl/galeria/file/15258024503.pdfIn PDF document text
- http://rujiahk.com/uploadfiles/file/xatesitabegeka.pdfIn PDF document text
- https://adasms.fr/userfiles/file/8777293304.pdfIn PDF document text
- https://cuisinescartier.ca/upload/editor/file/88478560348.pdfIn PDF document text
- http://condominiobrisasdelnorte.com/userfiles/file/93492752854.pdfIn PDF document text
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613024af43802---55095897178.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_off0000da28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA28 | 17404 bytes |
SHA-256: e091973991a2411b02bc8445a5e4491d8d431a2233e544eded7c8f7d34cfad86 |
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font_01_sfnt_off00010700.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10700 | 10568 bytes |
SHA-256: a207bd67223efc3a6aaf88efb0d0c4e1951803fb8f79accfd01077d4e635a0df |
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font_02_sfnt_off00011f34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F34 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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