MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple links to external sites, many of which are hosted on compromised WordPress installations, suggesting a link farm used for phishing or malware distribution. The presence of a 'password-protected archive lure' heuristic further indicates an attempt to trick users into downloading and decrypting a malicious payload. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 8
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/2bme53hsorosf8vbo6m4enl6p2/pagefeguji.pdf In PDF document text
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/m7f4rn6poql1cigm4prvli4afe/4005921815.pdfIn PDF document text
- https://gastrotest.co/ckfinder/userfiles/files/33746122280.pdfIn PDF document text
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/tnqkf7rgorpqqogp5thpe51ij6/25919093205.pdfIn PDF document text
- http://soupworld.de/upload/file/37485349161.pdfIn PDF document text
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/545f3df43973f73fb5e7fa392c5233bd/junekovukavatudalar.pdfIn PDF document text
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/160879322b2d30---gosinasudakikal.pdfIn PDF document text
- http://urgentcarepb.net/userfiles/file/74125105846.pdfIn PDF document text
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/9e5b27e4ab5fa7cbbf8279da1df4ad88/24472555721.pdfIn PDF document text
- http://allseasonsart.com/uploads/fck_uploads/file/78424061656.pdfIn PDF document text
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160854afdf3fbb---50298318308.pdfIn PDF document text
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/5d1e33e1c8cac23f9b4281a1caa378fc/82315181133.pdfIn PDF document text
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/92cdb025f5151f1e58bd8c89286ea966/68474774301.pdfIn PDF document text
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/464edb00ln8if5nm0v115caprb/xorigone.pdfIn PDF document text
- https://asi-filter.pl/files/file/pusesivevulapat.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/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=bus+ets2+game+download+for+androidPDF 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_off0001532f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1532F | 5500 bytes |
SHA-256: 8eb48e6c22fae7e9982bc72d671a1fb32cd59317a7823dc9827e5b3d1cb04432 |
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font_01_sfnt_off000165e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x165E9 | 9864 bytes |
SHA-256: c9d0163cc9500c42c5702c2d05e53bb1004dafae1acc9055f998c3f0db31b133 |
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