MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to external files, many hosted on compromised CMS uploads. Heuristics indicate it's a link farm on disposable hosting, and ClamAV identifies it as a phishing trojan. The ML classifier also strongly flagged it as malicious. The primary function appears to be directing users to potentially malicious PDF documents hosted on compromised websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://genbreedpublisher.com/files/upfiles/file/45695698000.pdf In PDF document text
- http://radio-salsa.com/php/rs/filesupload/file/dedisonifejam.pdfIn PDF document text
- https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/94d671d9bef7208de1e79e2f0c091dea/babumogofiwebisimaxurutaz.pdfIn PDF document text
- http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b813e3ce92c---75246137384.pdfIn PDF document text
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/3cab5c49d28459abc6402340689d87f6/143664421.pdfIn PDF document text
- http://domholidays.com/userfiles/file/45278886954.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9ca46c1b59---povole.pdfIn PDF document text
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/ellnesao6sfd3e3dtr6fanvv70/tozexajidizinowefivofak.pdfIn PDF document text
- http://ciaooo.ru/uploades/userfiles/file/54832765186.pdfIn PDF document text
- http://www.radiooro.com.mx/media/images/uploads/files/57840884409.pdfIn PDF document text
- http://spearsyounglegacy.com/clients/b/b2/b2c23f164518415ec8f3c1c8d0af542d/File/dexek.pdfIn PDF document text
- http://chongthamnguoc.vn/img/files/19081192714.pdfIn PDF document text
- http://bouncebodysupplements.com/newerac2c/userfiles/file/63248564107.pdfIn PDF document text
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/k9pjd100nalcb7h6tabmvhmkjv/71526444017.pdfIn PDF document text
- http://jjmcp.jp/userfiles/Image/file/xawerebesaxepemefawe.pdfIn PDF document text
- https://holocaustresearch.pl/nowy/photo/file/xeviwugazar.pdfIn PDF document text
- http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/50956215727.pdfIn PDF document text
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/16089ff063500f---wesejixafasa.pdfIn PDF document text
- http://eakqshop.com/ckfinder/images_store/files/37208993771.pdfIn PDF document text
- http://sacoorhealth.pt/site/upload/file/593391482.pdfIn PDF document text
- http://sakuragiramenandsushi.com/uploads/files/biruveziwaraz.pdfIn PDF document text
- http://karinameal.com/imgdish/files/74876340060.pdfIn PDF document text
- http://podlahypilat.cz/admin/file/79629897998.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/75670878257.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=reflection+exponential+functionPDF 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_off0000e6bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6BF | 17388 bytes |
SHA-256: ec7b78822baca1b1bddf2ee3aba513fe15b69f4e8f52d5a574b1798ee0bfcf23 |
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font_01_sfnt_off0001149a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1149A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012cb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CB1 | 10452 bytes |
SHA-256: e59e8429b2975930a0bd23f902a022e01f7ad898349d7a01d3152107c48e2ddb |
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