MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of external URIs, many of which point to compromised websites or disposable hosting. The ML classifier strongly indicated maliciousness. The presence of a link farm suggests an attempt to manipulate search engine results or redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://queure.ru/uplcv?utm_term=zombie+shooting+game+mod+apk PDF link annotation
- http://envisystem.com/upload/userfile/files/fipuvamagujivago.pdfIn PDF document text
- https://magiccat.pro/ckfinder/userfiles/files/panobizigenuvenugugajuvu.pdfIn PDF document text
- http://citty.org/images/uploads/file/kediwipujixobupixu.pdfIn PDF document text
- https://xn----7sbeo1acdy3adh.xn--p1ai/userfiles/file/73916276889.pdfIn PDF document text
- http://geredekombiservisi.com/userfiles/file/6005164145.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613e43e1c81a4---gowavojizorotumuraloro.pdfIn PDF document text
- https://businesslife.com/content/file/9573136084.pdfIn PDF document text
- https://kamhosting.nl/ckfinder/userfiles/files/49585348800.pdfIn PDF document text
- http://ziguratex.com/helpdesk/app/webroot/img/userfiles/files/38691896934.pdfIn PDF document text
- https://bandai-k.com/userfiles/file/gugumapunadaf.pdfIn PDF document text
- http://dasbluemchen.com/buniwetejuruwupusasakebib.pdfIn PDF document text
- https://vigilanciaweb.cl/dinamicos/files/file/gisupokudaxedebapaf.pdfIn PDF document text
- https://mabuksusu2.com/contents/files/92896241393.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/16138accbeafb7---xukulofukeretamidubutug.pdfIn PDF document text
- http://okna-dvere-online.cz/media/upload/upload/file/xudokojinilimuwer.pdfIn PDF document text
- http://ssteelelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jipusefusamev.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/9117634998.pdfIn PDF document text
- http://asu78.ru/userfiles/file/numuparukizojutujezaduxe.pdfIn PDF document text
- https://aartipalette.com/userfiles/file/vadovutafu.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140b7d7819c1---kudusijezogidezemuz.pdfIn PDF document text
- https://cubic.is/userfiles/file/73266819063.pdfIn PDF document text
- https://kga-am-adlergestell-ev.de/kga/ckfinder/userfiles/files/nemodetijisoz.pdfIn PDF document text
- https://hongmao.tw/uploads/files/202109130702407490.pdfIn PDF document text
- http://3e-recycling.ru/app/webroot/filesfiles/jojubetuxabexadifebo.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_off0000f09e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF09E | 17820 bytes |
SHA-256: dbbd044421fd10371054dc0b373bc61d3b574e1858cde5800c6e7bbcbbb5427f |
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font_01_sfnt_off00011f40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F40 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
|||
font_02_sfnt_off00013757.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13757 | 10888 bytes |
SHA-256: bffc07cc19355597b6096a187026a1eee2fcf823b88c28be940f6c91c3590952 |
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