MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document body, though heavily obfuscated, contains text related to scholarship letters and includes an external URI pointing to 'zajinet.ru/strik'. This URL is likely the primary payload delivery or phishing destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 4
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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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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://zajinet.ru/strik?utm_term=how+to+conclude+a+scholarship+letter
- https://static.s123-cdn-static.com/uploads/4393754/normal_5fef8bdebffed.pdf
- http://pifedalune.medianewsonline.com/21618935398.pdf
- http://leninuludobodu.mygamesonline.org/66190558104.pdf
- https://cdn-cms.f-static.net/uploads/4484610/normal_6066642632826.pdf
- https://cdn-cms.f-static.net/uploads/4454543/normal_603951b7c47e7.pdf
- http://rokamik.iblogger.org/compound_sentences_worksheet_6th_grade.pdf
- https://static.s123-cdn-static.com/uploads/4427097/normal_5ff4cec2a40aa.pdf
- http://rezexepenoma.scienceontheweb.net/simivomoxavino.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://s3.amazonaws.com/futamo/anywhereusb_2_software.pdf
- https://d5f1d3db-1598-48d0-a061-764c190a6564.filesusr.com/ugd/866690_b12efd11e5994ae4a51e231d89ff8046.pdf?index=true
- https://s3.amazonaws.com/banula/ballarat_tv_guide_thursday.pdf
- https://a52dd608-e7dd-4d50-8005-e0fd7a3896b4.filesusr.com/ugd/43d2fc_363365261b164bc7a6f2e48e1b831707.pdf?index=true
- http://sokiseg.rf.gd/82212295063.pdf
- http://pazepoxi.atwebpages.com/zamadun.pdf
- http://vedixemalirugi.atwebpages.com/63674133876.pdf
- http://tafiwepamubov.atwebpages.com/graco_duetconnect_swing_and_bouncer_batteries.pdf
- https://3d7c42e8-cad9-4196-8f3c-0f210fd97588.filesusr.com/ugd/1b7c00_c0f0dfdd65e3435f9222e415b72b7c00.pdf?index=true
- http://jezevenakos.myartsonline.com/borax_bead_test.pdf
- http://nodefojabotozij.rf.gd/holiday_office_party_flyer_templates.pdf
- http://ribaxexumipo.rf.gd/kala_dj_song.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010805.bin9698948e1dd7b017b91a2dfe20dbeebbf88bd1ddec0472943bd7dab0cd4c6dd0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10805 | 5096 bytes |
font_01_sfnt_off00011953.bin3bf78460cb129adec0ac00c899840db17338947ec6fe24ddae25b5861df5273d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11953 | 10708 bytes |
font_02_sfnt_off00013df0.bin9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DF0 | 4324 bytes |
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