MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed for malicious redirection. ClamAV and ML classifiers flagged this PDF as malicious, specifically a phishing trojan. Although no scripts were extracted, the structure and URL patterns strongly suggest a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 http://euro-ex.com/images/blog//file/43301206347.pdf In PDF document text
- http://proxkimya.com/resimler/files/11024514937.pdfIn PDF document text
- http://jiuxingchaoshi.com/uploads/file/261029588103.pdfIn PDF document text
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ce78d55e9a7---pewuxikizujezibol.pdfIn PDF document text
- http://allasclub.com/campannas/file/73157234479.pdfIn PDF document text
- https://ijacr.net/assets_admin/ckfinder/core/connector/php/uploads/files/ladakofuwegazovelap.pdfIn PDF document text
- http://www.yoko-ono.be/images/userfiles/file/65552766068.pdfIn PDF document text
- http://altinay-law.com/images/file/28800741669.pdfIn PDF document text
- http://solamsys.com/userData/board/file/nosonabudotovibegor.pdfIn PDF document text
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/160794cf8e7c73---12117423318.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c62554fda1---fisidewefakixelibe.pdfIn PDF document text
- https://hkparkkonutlari.com/image/files/repeju.pdfIn PDF document text
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b604d865880---40677699083.pdfIn PDF document text
- http://sun-tes.ru/files/file/89698967190.pdfIn PDF document text
- https://hr-serdahel.hu/images/file/resaxeruvoliwut.pdfIn PDF document text
- http://angelsolutions.ro/ckeditor/ckfinder/userfiles/files/14547131054.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609072cecccfb---95185091302.pdfIn PDF document text
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa76b12108c---35768826526.pdfIn PDF document text
- http://worthingtonpark101.com/userimages/susagagu.pdfIn PDF document text
- http://fw-simple.com/uploads/files/85751902263.pdfIn PDF document text
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/79153408efcf65063a023c20510b57b1/39335676316.pdfIn PDF document text
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/7e25ec9dc33bbbae79f8f8bec2b7c83f/43417104214.pdfIn PDF document text
- http://gasthaus-steinkirchen.de/img/editor/file/96854112775.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=crash+course+world+history+17+worksheet+answersPDF 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_off0000fae6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAE6 | 20384 bytes |
SHA-256: 870582b9ce6ea4a76f571bbd641fcfc9b7292f5bb9146c513b803e4bbda521f7 |
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font_01_sfnt_off00012e4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E4E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014665.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14665 | 10992 bytes |
SHA-256: 4b74833dddaad37f0ed78401a831ccb1eeb17565692cea82525d6266897f2263 |
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