MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. Heuristics identified it as a link farm pointing to multiple PDF files hosted on various domains, some of which appear to be compromised CMS uploads. The presence of numerous external links suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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 https://kristinanamaste.eu/files/35848400633.pdf In PDF document text
- https://tolgyesvolgy.hu/userfiles/file/84251657244.pdfIn PDF document text
- http://tafgambiatours.com/userfiles/file/judutifutalose.pdfIn PDF document text
- http://auapp.ch/userfiles/files/40007316240.pdfIn PDF document text
- http://ajivikafinance.com/userfiles/file/8377711275.pdfIn PDF document text
- http://yds-wcv.jp/free_images/files/8154559589.pdfIn PDF document text
- http://fastgood4cheap.com/clients/4890/File/33126822583.pdfIn PDF document text
- https://cargotavio.ru/files/file/mobusogir.pdfIn PDF document text
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/f24e4bfcdabc742cab9bd44ed78e092b/fokilubuzitudan.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160888f2962077---62276069851.pdfIn PDF document text
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/a6ee72eda3591abe1508a8bcf90a989b/magetinukuxuzimu.pdfIn PDF document text
- http://ildong.org/sa_upload/userfiles/file/20210827171500.pdfIn PDF document text
- https://institut-arabe.org/ckfinder/userfiles/files/86713260263.pdfIn PDF document text
- http://nhsclassof77.com/clients/c/ca/caa0b9827732345dad94809623212052/File/buvimedoruniwogasalizulup.pdfIn PDF document text
- http://teleserviciomalaga.com/ckfinder/userfiles/files/23562961870.pdfIn PDF document text
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/f7c4d92b8e60ce2e3045692ec5a6a85b/rewebe.pdfIn PDF document text
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c71b039b8ce---92574528261.pdfIn PDF document text
- https://meganimal.pt/site/upload/file/31279598336.pdfIn PDF document text
- http://izdo.org/img/userfiles/files/2116759985.pdfIn PDF document text
- https://traffictkt.com/viking1/uploads/files/36035364659.pdfIn PDF document text
- http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/160db77a8770ea---62588882909.pdfIn PDF document text
- http://say-international.eu/userfiles/file/gikiraribariworunexavi.pdfIn PDF document text
- https://e-fasteners.eu/media/file/wamurituz.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae6d1a52ed2---zesitubuxit.pdfIn PDF document text
- https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/5femdjbr31r5r18g74fdfbdcjr/9991875353.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=juice+alive+machine+manualPDF 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_off0000b73c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB73C | 16540 bytes |
SHA-256: 0dc47c8ae8009fba4c2c3d5de45bfcb6dd952c5c920c2ab95fa083fb89a2bee0 |
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font_01_sfnt_off0000e1d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1D3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f9ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9EA | 10164 bytes |
SHA-256: f88257c3f8d802fdd7db998c9d5c0af8a106046393809819d4d92f13884ca4b0 |
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