MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. The document body is heavily obfuscated and appears to be metadata rather than user-readable content, further supporting a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://edwardfmcgintypa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/43721561957.pdf In PDF document text
- https://kurek-rowery.pl/user_pict/file/duvikewevo.pdfIn PDF document text
- https://cdmsig1.com/ckfinder/userfiles/files/9646678307.pdfIn PDF document text
- http://ulsantour.com/FileData/ckfinder/files/20210903_2F3A28A0DF9BFE64.pdfIn PDF document text
- http://hongshengfish.com/uploadfiles/20210904/2109041605165011372z46n23sbwky.pdfIn PDF document text
- http://advocaatindex.nl/images/uploads/7102928383.pdfIn PDF document text
- https://vmgeducationtrust.org/home/vmgedu/public_html/public/userfiles/file/rifawujagilunu.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161314c2717cb3---783810361.pdfIn PDF document text
- https://warsztatgdynia.pl/app/webroot/media/files/gekusuxo.pdfIn PDF document text
- http://tolaniprojects.com/userfiles/file/9535885980.pdfIn PDF document text
- https://nissanzorba.ro/ckeditor/ckfinder/userfiles/files/13080397574.pdfIn PDF document text
- https://irantruck.ir/data/file/57407321274.pdfIn PDF document text
- https://sedefartphotography.com/resimler/files/28828728426.pdfIn PDF document text
- http://mutitar.com/user_img/files/1334649403.pdfIn PDF document text
- http://meandnetworking.com/ckfinder/userfiles/files/zidape.pdfIn PDF document text
- http://mnarch.it/userfiles/files/10442039789.pdfIn PDF document text
- http://cassotech.nl/site/data/ws/files/63661360624.pdfIn PDF document text
- http://giprozdraw.ru/ckfinder/userfiles/files/80509585079.pdfIn PDF document text
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/s9ca7v506t4t03g63ibshvhiqt/lukafitovevaru.pdfIn PDF document text
- http://genarchi.com/data/temp/file/wenekepalezaradomud.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/5be38dfa982ed291b7c0fb2b0dc14ea1/24013769809.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=duo+voice+changerPDF 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_off0000d3b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3B2 | 10364 bytes |
SHA-256: 50ea709b960c5d47e2831bbbe003e4a52ad2d823b9732d812b4227d75cbe7de3 |
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font_01_sfnt_off0000eb0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB0F | 17236 bytes |
SHA-256: 8329833ef0bd0f277c3f760be9f24c7c8cffc2ac26b240341a6102698d226ff9 |
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font_02_sfnt_off000117cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117CC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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