MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and a machine learning classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress upload sites, likely to host or distribute malware. The presence of a 'download button' lure further supports the phishing or malware distribution objective.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/b635416627c6f42277e42445e3b392e7/44716022690.pdf In PDF document text
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609738811a758---pefoter.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/ujbf29mhdc1qmj7ggkvnms5lmc/zotosimemafusa.pdfIn PDF document text
- https://cardion.dk/gfx/fckimages/file/95944488807.pdfIn PDF document text
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/ce0708bb1dbe00d88256007ae6795cdb/zasetovimiliwuxosego.pdfIn PDF document text
- https://advance-pack.com/editor_upload/file/47575697152.pdfIn PDF document text
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a6af894d6bd---28303777812.pdfIn PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160900fff7bfc4---jugufanuju.pdfIn PDF document text
- http://aceonlinementors.com/userfiles/file/93354998614.pdfIn PDF document text
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160733f9798961---xapavejinekanidumupovad.pdfIn PDF document text
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/tca6nb6flse8gsq7qmtcproqvp/43966555098.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/1h34jmli9kg8uhr2mpeoieuaoi/nurigazurofobejimemor.pdfIn PDF document text
- http://51-lq.com/userfiles/file/%5C/77778403655.pdfIn PDF document text
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/9fbcca903f415215e9eebe6afafde766/72358997417.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=vidmate+old+app+free+downloadPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d9b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9B6 | 5068 bytes |
SHA-256: 64106232056b79840ad4dd28c5805fa584cfb093e1fd2dffeff41e7f4c52b44c |
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font_01_sfnt_off0000eaef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAEF | 10612 bytes |
SHA-256: 702c7bd3f0cfa6bbb7629449832be236c44d04da41c71a08d4252279158254c4 |
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