MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF was flagged by multiple heuristics, including PDF_SEO_UTM_REDIRECTOR_LINK and ML_NYX_PDF_MALICIOUS, indicating a phishing lure disguised as a free download. ClamAV detection further confirms its malicious nature. The embedded URL, https://baarspo.ru/aws?utm_term=classroom+action+research+pdf+journal, is likely the initial point of contact for delivering a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://baarspo.ru/aws?utm_term=classroom+action+research+pdf+journal PDF link annotation
- https://static.s123-cdn-static.com/uploads/4490917/normal_5fde9605b90b9.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4454668/normal_5fce0d44678ba.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4465564/normal_6002ae63a0d89.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4493597/normal_5ff71234e2e6f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4486033/normal_5fefdda9794e9.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4489054/normal_5fdd6240274df.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4466398/normal_600631d790476.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/bisazabe/70494260993.pdfIn PDF document text
- http://lepomosafajuki.rf.gd/miwidizujipobewuge.pdfIn PDF document text
- https://s3.amazonaws.com/sixolose/albert._io_answer_key_ap_lit.pdfIn PDF document text
- https://s3.amazonaws.com/fofeguj/android_sdk_manager___windows_10.pdfIn PDF document text
- https://s3.amazonaws.com/penefelomiju/42029588874.pdfIn PDF document text
- https://s3.amazonaws.com/dazifozixawus/murottal_an_naba_muzammil_hasballah.pdfIn PDF document text
- https://s3.amazonaws.com/faluzotixupi/almost_human_book.pdfIn PDF document text
- http://soxixebupi.rf.gd/55581350149.pdfIn PDF document text
- https://s3.amazonaws.com/zamemigojat/beyond_two_souls_review_game_informer.pdfIn PDF document text
- https://s3.amazonaws.com/zumomasugipeno/vumoleruxuzube.pdfIn PDF document text
- http://repujatadaw.rf.gd/angelina_paris_menu.pdfIn PDF document text
- https://s3.amazonaws.com/lorerexeg/70411556260.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://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_off0000d2f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2F3 | 5376 bytes |
SHA-256: f06444570465c91e3ab99151d1a020583a9c30f5f400d796a01a2a83efcd96dc |
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font_01_sfnt_off0000e513.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE513 | 11076 bytes |
SHA-256: c80d29b51d578e409f7b6dd3711c9c0b0699556398957497648c18dc113399af |
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