MALICIOUS
182
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF document flagged by multiple heuristics as malicious, including a critical alert for linking to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to 'Diabetic foot ulcer guidelines', suggesting a lure. The presence of numerous embedded URLs, many hosted on disposable domains, further supports a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.8850
Heuristics 4
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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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://ggtraff.ru/aws?utm_term=diabetic+foot+ulcer+guidelines In PDF document text
- https://cdn-cms.f-static.net/uploads/4459937/normal_5fd8960e98fd9.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4501042/normal_5fee0f7d2dbff.pdfIn PDF document text
- https://site-1194081.mozfiles.com/files/1194081/dark_sword_series_books.pdfIn PDF document text
- https://site-1173944.mozfiles.com/files/1173944/wavuwezitasufilepizefawum.pdfIn PDF document text
- https://site-1176306.mozfiles.com/files/1176306/twisted_tea_price_per_can.pdfIn PDF document text
- https://mixojokujize.weebly.com/uploads/1/3/4/3/134387696/lixel-sixibunikakup-gamijek.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4495684/normal_5fcb1d4124bd5.pdfIn PDF document text
- https://site-1168409.mozfiles.com/files/1168409/best_worship_songs_2020_mp3_download.pdfIn PDF document text
- https://japiravonasuv.weebly.com/uploads/1/3/4/6/134644749/sezakekugevaxapemel.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/widofafane/coventry_university_open_day_guide.pdfIn PDF document text
- https://s3.amazonaws.com/nalifij/99760550073.pdfIn PDF document text
- https://s3.amazonaws.com/fukepez/agenda_2020_para_imprimir.pdfIn PDF document text
- https://s3.amazonaws.com/domegagowevag/fixumedupexukukilijesa.pdfIn PDF document text
- https://s3.amazonaws.com/rogugagatuf/muvadasateb.pdfIn PDF document text
- https://s3.amazonaws.com/tudawufed/vofizikirumebajijazeje.pdfIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f981.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF981 | 5328 bytes |
SHA-256: e9297972ba005590fff94cd3143922d77061d9bfe5cf9a6095e79ad232abe4a8 |
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