MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://ketchas.ru/uplcv?utm_term=cheat+for+skipping+a+mission+in+san+andreas PDF link annotation
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160828b21a9032---22571268719.pdfIn PDF document text
- http://igigeothermal.jp/userfiles/file/lebadosaw.pdfIn PDF document text
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab8e1990ee---56478964868.pdfIn PDF document text
- http://yishiweb.com/upfiles/files/20210606_094638.pdfIn PDF document text
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608e4bcd80343---64691019996.pdfIn PDF document text
- https://mttrasportisrl.it/dati/upload/file/ginavemixuvawuwaze.pdfIn PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1608bb5ad4c071---23075205308.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/514903c3c688e1c91e7fbafdd2bc0226/38723757210.pdfIn PDF document text
- https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160829e50e4074---xexorupejabobu.pdfIn PDF document text
- https://affordans.com/ckfinder/userfiles/files/mubekijobanuwuvoni.pdfIn PDF document text
- http://fw-simple.com/uploads/files/woxinaxisodowawak.pdfIn PDF document text
- http://notarbrazda.cz/userfiles/file/nuxoramujaf.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/1609b8a7d0b26f---rodat.pdfIn PDF document text
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/1224cf3b710ac8a52b4c24e192c09f3d/95959654075.pdfIn PDF document text
- http://copy2d.com/ftp/image/file/wedomorurebema.pdfIn PDF document text
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160906959142af---xogikoxuvasalis.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010550.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10550 | 5300 bytes |
SHA-256: 85333a8126ab54be0f7c1b8ab998516846b3808b2a8af206c23617b342866b12 |
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font_01_sfnt_off0001172a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1172A | 9668 bytes |
SHA-256: d0bacd81c40738ba0c4555c276247d438030b4fc33badbe155af5fe861c0e47f |
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font_02_sfnt_off0001381f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1381F | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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