MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded URLs, many of which point to compromised WordPress sites. The ML classifier strongly indicates maliciousness. The primary function appears to be a link farm, potentially for SEO manipulation or to redirect users to malicious content, as suggested by the URL parameters like 'utm_term=cheat+engine+for+online+games+android'. No scripts were extracted, limiting the analysis of direct execution capabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 5
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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://wastran.ru/uplcv?utm_term=cheat+engine+for+online+games+android PDF link annotation
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b7d17a6d48---33725763425.pdfIn PDF document text
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614af9a6f24b9---xegavibewitawug.pdfIn PDF document text
- https://j26clean.com/upload/files/tizawe.pdfIn PDF document text
- https://gerbangkuis.com/contents/files/45493547263.pdfIn PDF document text
- https://homestayhoian.vn/uploads/image/files/vokusibanom.pdfIn PDF document text
- http://aokunoil.com/ckfinder/userfiles/files/nuxusojapetumawaxige.pdfIn PDF document text
- http://adams-gold.ru/archive/image/file/52558758334.pdfIn PDF document text
- http://czytamzezrozumieniem.pl/userfiles/file/gubedemixufakuxug.pdfIn PDF document text
- http://tksvolga.ru/userfiles/file/gidak.pdfIn PDF document text
- https://btsis.com/upload/ckfinder/files/24014211987.pdfIn PDF document text
- http://say-international.eu/userfiles/file/bidiloju.pdfIn PDF document text
- https://sierrainstruments.cn/fckeditor/editor/filemanager/connectors/php/fckeditor/upload/202109/file/24985102034.pdfIn PDF document text
- https://www.ewdel.cz/ckfinder/userfiles/files/73836929598.pdfIn PDF document text
- http://xn--djr00fsyfv0o5qgy9u.com/filespath/files/20210927115117.pdfIn PDF document text
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/161543c2adfef5---7496578641.pdfIn PDF document text
- http://busangh.com/attfile/fckimg/file///20210928231418_393851465.pdfIn PDF document text
- https://leresto-niort.fr/images/userfiles/files/94988491690.pdfIn PDF document text
- https://orangerun.re/photo/files/jujot.pdfIn PDF document text
- http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/rokiv.pdfIn PDF document text
- http://ajarnveerapong.com/UserFiles/file/57781257481.pdfIn PDF document text
- https://at1-turbo-j3t.com/contents/files/fumabamur.pdfIn PDF document text
- https://vespaclubcagliari.com/userfiles/file/pavulokunagiki.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_off0000b069.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB069 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c87b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC87B | 14704 bytes |
SHA-256: 1ae760316b9904e7ce6b05b11ed59455ce5d34a32a46ece0f702816a8352c3af |
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font_02_sfnt_off0000ed9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED9D | 10832 bytes |
SHA-256: d82e299dfaf6ead252e5a8368e3e05e48844645bd2addaa4a591b245a345b422 |
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